From 70773ea77c4c775b9d5e1503b697727410d94bba Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?King=20K=C3=A9vin?= <kingkevin@cuvoodoo.info>
Date: Fri, 7 Feb 2020 17:11:15 +0100
Subject: [PATCH] schematic: use IO expander instead of backpack for LCD

---
 hardware/Rakefile                             |   2 +
 .../coraleda/subc/RESISTOR_TRIMPOT_3MM.lht    | 852 +++++++++++++++
 .../coraleda/subc/SOIC127P1030X265-16N.lht    | 968 ++++++++++++++++++
 hardware/geda/symbols/LCM1602.sym             | 232 ++---
 hardware/geda/symbols/PCF8574.sym             | 188 ++++
 hardware/geda/symbols/TRIMPOT_3MM.sym         |  13 +
 hardware/library                              |   2 +-
 hardware/usb_cable_tester.sch                 | 524 +++++-----
 8 files changed, 2376 insertions(+), 405 deletions(-)
 create mode 100644 hardware/coraleda/subc/RESISTOR_TRIMPOT_3MM.lht
 create mode 100644 hardware/coraleda/subc/SOIC127P1030X265-16N.lht
 create mode 100644 hardware/geda/symbols/PCF8574.sym
 create mode 100644 hardware/geda/symbols/TRIMPOT_3MM.sym

diff --git a/hardware/Rakefile b/hardware/Rakefile
index 296a815..d833e56 100644
--- a/hardware/Rakefile
+++ b/hardware/Rakefile
@@ -48,6 +48,8 @@ parts_local << "vreg/vreg_pmic_tpower_tp4056"
 parts_local << "transistor/transistor_pmos_nxp_bss84"
 parts_local << "mechanical/mechanical_button_6mm"
 parts_local << "oscillator/hc-49@SM"
+parts_local << "resistor/trimpot_3mm"
+parts_local << "ic/ic_io-expander_nxp_pcf8574@T"
 parts_local << "diode/diode_tvs_st_usblc6-2@SC6"
 parts_local << "connector/connector_molex_530470210"
 # the corresponding files
diff --git a/hardware/coraleda/subc/RESISTOR_TRIMPOT_3MM.lht b/hardware/coraleda/subc/RESISTOR_TRIMPOT_3MM.lht
new file mode 100644
index 0000000..032be5f
--- /dev/null
+++ b/hardware/coraleda/subc/RESISTOR_TRIMPOT_3MM.lht
@@ -0,0 +1,852 @@
+# subcircuit generated using QEDA
+li:pcb-rnd-subcircuit-v6 {
+ ha:subc.1 {
+  uid = RESISTOR_TRIMPOT_3MM....
+  ha:attributes {
+   footprint = RESISTOR_TRIMPOT_3MM
+  }
+  ha:data {
+   li:padstack_prototypes {
+    ha:ps_proto_v6.2 {
+     htop = 0
+     hbottom = 0
+     hdia = 0
+     hplated = 0
+     li:shape {
+      ha:ps_shape_v4 {
+       clearance = 0.200mm
+       li:ps_poly {
+        0.600mm
+        -0.400mm
+        0.597mm
+        -0.435mm
+        0.588mm
+        -0.468mm
+        0.573mm
+        -0.500mm
+        0.553mm
+        -0.529mm
+        0.529mm
+        -0.553mm
+        0.500mm
+        -0.573mm
+        0.468mm
+        -0.588mm
+        0.435mm
+        -0.597mm
+        0.400mm
+        -0.600mm
+        -0.400mm
+        -0.600mm
+        -0.435mm
+        -0.597mm
+        -0.468mm
+        -0.588mm
+        -0.500mm
+        -0.573mm
+        -0.529mm
+        -0.553mm
+        -0.553mm
+        -0.529mm
+        -0.573mm
+        -0.500mm
+        -0.588mm
+        -0.468mm
+        -0.597mm
+        -0.435mm
+        -0.600mm
+        -0.400mm
+        -0.600mm
+        0.400mm
+        -0.597mm
+        0.435mm
+        -0.588mm
+        0.468mm
+        -0.573mm
+        0.500mm
+        -0.553mm
+        0.529mm
+        -0.529mm
+        0.553mm
+        -0.500mm
+        0.573mm
+        -0.468mm
+        0.588mm
+        -0.435mm
+        0.597mm
+        -0.400mm
+        0.600mm
+        0.400mm
+        0.600mm
+        0.435mm
+        0.597mm
+        0.468mm
+        0.588mm
+        0.500mm
+        0.573mm
+        0.529mm
+        0.553mm
+        0.553mm
+        0.529mm
+        0.573mm
+        0.500mm
+        0.588mm
+        0.468mm
+        0.597mm
+        0.435mm
+        0.600mm
+        0.400mm
+       }
+       ha:layer_mask {
+        top = 1
+        copper = 1
+       }
+       ha:combining {
+       }
+      }
+      ha:ps_shape_v4 {
+       clearance = 0
+       li:ps_poly {
+        0.650mm
+        -0.450mm
+        0.647mm
+        -0.485mm
+        0.638mm
+        -0.518mm
+        0.623mm
+        -0.550mm
+        0.603mm
+        -0.579mm
+        0.579mm
+        -0.603mm
+        0.550mm
+        -0.623mm
+        0.518mm
+        -0.638mm
+        0.485mm
+        -0.647mm
+        0.450mm
+        -0.650mm
+        -0.450mm
+        -0.650mm
+        -0.485mm
+        -0.647mm
+        -0.518mm
+        -0.638mm
+        -0.550mm
+        -0.623mm
+        -0.579mm
+        -0.603mm
+        -0.603mm
+        -0.579mm
+        -0.623mm
+        -0.550mm
+        -0.638mm
+        -0.518mm
+        -0.647mm
+        -0.485mm
+        -0.650mm
+        -0.450mm
+        -0.650mm
+        0.450mm
+        -0.647mm
+        0.485mm
+        -0.638mm
+        0.518mm
+        -0.623mm
+        0.550mm
+        -0.603mm
+        0.579mm
+        -0.579mm
+        0.603mm
+        -0.550mm
+        0.623mm
+        -0.518mm
+        0.638mm
+        -0.485mm
+        0.647mm
+        -0.450mm
+        0.650mm
+        0.450mm
+        0.650mm
+        0.485mm
+        0.647mm
+        0.518mm
+        0.638mm
+        0.550mm
+        0.623mm
+        0.579mm
+        0.603mm
+        0.603mm
+        0.579mm
+        0.623mm
+        0.550mm
+        0.638mm
+        0.518mm
+        0.647mm
+        0.485mm
+        0.650mm
+        0.450mm
+       }
+       ha:layer_mask {
+        top = 1
+        mask = 1
+       }
+       ha:combining {
+        sub = 1
+        auto = 1
+       }
+      }
+      ha:ps_shape_v4 {
+       clearance = 0
+       li:ps_poly {
+        0.600mm
+        -0.400mm
+        0.597mm
+        -0.435mm
+        0.588mm
+        -0.468mm
+        0.573mm
+        -0.500mm
+        0.553mm
+        -0.529mm
+        0.529mm
+        -0.553mm
+        0.500mm
+        -0.573mm
+        0.468mm
+        -0.588mm
+        0.435mm
+        -0.597mm
+        0.400mm
+        -0.600mm
+        -0.400mm
+        -0.600mm
+        -0.435mm
+        -0.597mm
+        -0.468mm
+        -0.588mm
+        -0.500mm
+        -0.573mm
+        -0.529mm
+        -0.553mm
+        -0.553mm
+        -0.529mm
+        -0.573mm
+        -0.500mm
+        -0.588mm
+        -0.468mm
+        -0.597mm
+        -0.435mm
+        -0.600mm
+        -0.400mm
+        -0.600mm
+        0.400mm
+        -0.597mm
+        0.435mm
+        -0.588mm
+        0.468mm
+        -0.573mm
+        0.500mm
+        -0.553mm
+        0.529mm
+        -0.529mm
+        0.553mm
+        -0.500mm
+        0.573mm
+        -0.468mm
+        0.588mm
+        -0.435mm
+        0.597mm
+        -0.400mm
+        0.600mm
+        0.400mm
+        0.600mm
+        0.435mm
+        0.597mm
+        0.468mm
+        0.588mm
+        0.500mm
+        0.573mm
+        0.529mm
+        0.553mm
+        0.553mm
+        0.529mm
+        0.573mm
+        0.500mm
+        0.588mm
+        0.468mm
+        0.597mm
+        0.435mm
+        0.600mm
+        0.400mm
+       }
+       ha:layer_mask {
+        top = 1
+        paste = 1
+       }
+       ha:combining {
+        auto = 1
+       }
+      }
+     }
+    }
+    ha:ps_proto_v6.3 {
+     htop = 0
+     hbottom = 0
+     hdia = 0
+     hplated = 0
+     li:shape {
+      ha:ps_shape_v4 {
+       clearance = 0.200mm
+       li:ps_poly {
+        0.800mm
+        -0.550mm
+        0.797mm
+        -0.585mm
+        0.788mm
+        -0.618mm
+        0.773mm
+        -0.650mm
+        0.753mm
+        -0.679mm
+        0.729mm
+        -0.703mm
+        0.700mm
+        -0.723mm
+        0.668mm
+        -0.738mm
+        0.635mm
+        -0.747mm
+        0.600mm
+        -0.750mm
+        -0.600mm
+        -0.750mm
+        -0.635mm
+        -0.747mm
+        -0.668mm
+        -0.738mm
+        -0.700mm
+        -0.723mm
+        -0.729mm
+        -0.703mm
+        -0.753mm
+        -0.679mm
+        -0.773mm
+        -0.650mm
+        -0.788mm
+        -0.618mm
+        -0.797mm
+        -0.585mm
+        -0.800mm
+        -0.550mm
+        -0.800mm
+        0.550mm
+        -0.797mm
+        0.585mm
+        -0.788mm
+        0.618mm
+        -0.773mm
+        0.650mm
+        -0.753mm
+        0.679mm
+        -0.729mm
+        0.703mm
+        -0.700mm
+        0.723mm
+        -0.668mm
+        0.738mm
+        -0.635mm
+        0.747mm
+        -0.600mm
+        0.750mm
+        0.600mm
+        0.750mm
+        0.635mm
+        0.747mm
+        0.668mm
+        0.738mm
+        0.700mm
+        0.723mm
+        0.729mm
+        0.703mm
+        0.753mm
+        0.679mm
+        0.773mm
+        0.650mm
+        0.788mm
+        0.618mm
+        0.797mm
+        0.585mm
+        0.800mm
+        0.550mm
+       }
+       ha:layer_mask {
+        top = 1
+        copper = 1
+       }
+       ha:combining {
+       }
+      }
+      ha:ps_shape_v4 {
+       clearance = 0
+       li:ps_poly {
+        0.850mm
+        -0.600mm
+        0.847mm
+        -0.635mm
+        0.838mm
+        -0.668mm
+        0.823mm
+        -0.700mm
+        0.803mm
+        -0.729mm
+        0.779mm
+        -0.753mm
+        0.750mm
+        -0.773mm
+        0.718mm
+        -0.788mm
+        0.685mm
+        -0.797mm
+        0.650mm
+        -0.800mm
+        -0.650mm
+        -0.800mm
+        -0.685mm
+        -0.797mm
+        -0.718mm
+        -0.788mm
+        -0.750mm
+        -0.773mm
+        -0.779mm
+        -0.753mm
+        -0.803mm
+        -0.729mm
+        -0.823mm
+        -0.700mm
+        -0.838mm
+        -0.668mm
+        -0.847mm
+        -0.635mm
+        -0.850mm
+        -0.600mm
+        -0.850mm
+        0.600mm
+        -0.847mm
+        0.635mm
+        -0.838mm
+        0.668mm
+        -0.823mm
+        0.700mm
+        -0.803mm
+        0.729mm
+        -0.779mm
+        0.753mm
+        -0.750mm
+        0.773mm
+        -0.718mm
+        0.788mm
+        -0.685mm
+        0.797mm
+        -0.650mm
+        0.800mm
+        0.650mm
+        0.800mm
+        0.685mm
+        0.797mm
+        0.718mm
+        0.788mm
+        0.750mm
+        0.773mm
+        0.779mm
+        0.753mm
+        0.803mm
+        0.729mm
+        0.823mm
+        0.700mm
+        0.838mm
+        0.668mm
+        0.847mm
+        0.635mm
+        0.850mm
+        0.600mm
+       }
+       ha:layer_mask {
+        top = 1
+        mask = 1
+       }
+       ha:combining {
+        sub = 1
+        auto = 1
+       }
+      }
+      ha:ps_shape_v4 {
+       clearance = 0
+       li:ps_poly {
+        0.800mm
+        -0.550mm
+        0.797mm
+        -0.585mm
+        0.788mm
+        -0.618mm
+        0.773mm
+        -0.650mm
+        0.753mm
+        -0.679mm
+        0.729mm
+        -0.703mm
+        0.700mm
+        -0.723mm
+        0.668mm
+        -0.738mm
+        0.635mm
+        -0.747mm
+        0.600mm
+        -0.750mm
+        -0.600mm
+        -0.750mm
+        -0.635mm
+        -0.747mm
+        -0.668mm
+        -0.738mm
+        -0.700mm
+        -0.723mm
+        -0.729mm
+        -0.703mm
+        -0.753mm
+        -0.679mm
+        -0.773mm
+        -0.650mm
+        -0.788mm
+        -0.618mm
+        -0.797mm
+        -0.585mm
+        -0.800mm
+        -0.550mm
+        -0.800mm
+        0.550mm
+        -0.797mm
+        0.585mm
+        -0.788mm
+        0.618mm
+        -0.773mm
+        0.650mm
+        -0.753mm
+        0.679mm
+        -0.729mm
+        0.703mm
+        -0.700mm
+        0.723mm
+        -0.668mm
+        0.738mm
+        -0.635mm
+        0.747mm
+        -0.600mm
+        0.750mm
+        0.600mm
+        0.750mm
+        0.635mm
+        0.747mm
+        0.668mm
+        0.738mm
+        0.700mm
+        0.723mm
+        0.729mm
+        0.703mm
+        0.753mm
+        0.679mm
+        0.773mm
+        0.650mm
+        0.788mm
+        0.618mm
+        0.797mm
+        0.585mm
+        0.800mm
+        0.550mm
+       }
+       ha:layer_mask {
+        top = 1
+        paste = 1
+       }
+       ha:combining {
+        auto = 1
+       }
+      }
+     }
+    }
+   }
+   li:objects {
+    ha:padstack_ref.23 {
+     proto = 2
+     rot = 0
+     x = -1.000mm
+     y = 1.800mm
+     ha:attributes {
+      term = 1
+      name = 1
+     }
+     clearance = 0.200mm
+     ha:flags {
+      clearline = 1
+     }
+    }
+    ha:padstack_ref.24 {
+     proto = 2
+     rot = 0
+     x = 1.000mm
+     y = 1.800mm
+     ha:attributes {
+      term = 3
+      name = 3
+     }
+     clearance = 0.200mm
+     ha:flags {
+      clearline = 1
+     }
+    }
+    ha:padstack_ref.25 {
+     proto = 3
+     rot = 0
+     x = 0.000mm
+     y = -1.550mm
+     ha:attributes {
+      term = 2
+      name = 2
+     }
+     clearance = 0.200mm
+     ha:flags {
+      clearline = 1
+     }
+    }
+   }
+   li:layers {
+    ha:subc-aux {
+     lid = 0
+     ha:type {
+      top = 1
+      misc = 1
+      virtual = 1
+     }
+     li:objects {
+      ha:line.26 {
+       clearance = 0
+       thickness = 0.1mm
+       ha:attributes {
+        subc-role = origin
+       }
+       x1 = 0.000mm
+       x2 = 0.000mm
+       y1 = 0.000mm
+       y2 = 0.000mm
+      }
+      ha:line.27 {
+       clearance = 0
+       thickness = 0.1mm
+       ha:attributes {
+        subc-role = x
+       }
+       x1 = 0.000mm
+       x2 = 1.000mm
+       y1 = 0.000mm
+       y2 = 0.000mm
+      }
+      ha:line.28 {
+       clearance = 0
+       thickness = 0.1mm
+       ha:attributes {
+        subc-role = y
+       }
+       x1 = 0.000mm
+       x2 = 0.000mm
+       y1 = 0.000mm
+       y2 = 1.000mm
+      }
+     }
+    }
+    ha:top-silkscreen {
+     lid = 1
+     ha:type {
+      top = 1
+      silk = 1
+     }
+     li:objects {
+      ha:text.29 {
+       x = 0.000mm
+       y = 0.000mm
+       rot = 0
+       scale = 100
+       string = %a.parent.refdes%
+       fid = 0
+       ha:flags {
+         floater = 1
+         dyntext = 1
+       }
+      }
+      ha:line.30 {
+       x1 = -1.710mm
+       y1 = -1.960mm
+       x2 = -1.060mm
+       y2 = -1.960mm
+       thickness = 0.120mm
+       clearance = 0
+      }
+      ha:line.31 {
+       x1 = 1.060mm
+       y1 = -1.960mm
+       x2 = 1.710mm
+       y2 = -1.960mm
+       thickness = 0.120mm
+       clearance = 0
+      }
+      ha:line.32 {
+       x1 = 1.710mm
+       y1 = -1.960mm
+       x2 = 1.710mm
+       y2 = 0.940mm
+       thickness = 0.120mm
+       clearance = 0
+      }
+      ha:line.33 {
+       x1 = -0.140mm
+       y1 = 1.960mm
+       x2 = 0.140mm
+       y2 = 1.960mm
+       thickness = 0.120mm
+       clearance = 0
+      }
+      ha:line.34 {
+       x1 = -1.710mm
+       y1 = -1.960mm
+       x2 = -1.710mm
+       y2 = 0.940mm
+       thickness = 0.120mm
+       clearance = 0
+      }
+     }
+    }
+    ha:top-assembly {
+     lid = 2
+     ha:type {
+      top = 1
+      doc = 1
+     }
+     purpose = assy
+     li:objects {
+      ha:text.35 {
+       x = 0.000mm
+       y = 0.000mm
+       rot = 90
+       scale = 100
+       string = RESISTOR_TRIMPOT_3MM
+       fid = 0
+       ha:flags {
+         floater = 1
+       }
+      }
+      ha:line.36 {
+       x1 = -1.650mm
+       y1 = -1.900mm
+       x2 = 1.650mm
+       y2 = -1.900mm
+       thickness = 0.100mm
+       clearance = 0
+      }
+      ha:line.37 {
+       x1 = 1.650mm
+       y1 = -1.900mm
+       x2 = 1.650mm
+       y2 = 1.900mm
+       thickness = 0.100mm
+       clearance = 0
+      }
+      ha:line.38 {
+       x1 = 1.650mm
+       y1 = 1.900mm
+       x2 = -1.650mm
+       y2 = 1.900mm
+       thickness = 0.100mm
+       clearance = 0
+      }
+      ha:line.39 {
+       x1 = -1.650mm
+       y1 = 1.900mm
+       x2 = -1.650mm
+       y2 = -1.900mm
+       thickness = 0.100mm
+       clearance = 0
+      }
+     }
+    }
+    ha:top-courtyard {
+     lid = 3
+     ha:type {
+      top = 1
+      doc = 1
+     }
+     purpose = ko.courtyard
+     li:objects {
+      ha:arc.40 {
+       x = 0.000mm
+       y = 0.000mm
+       width = 0.500mm
+       height = 0.500mm
+       thickness = 0.050mm
+       astart = 0
+       adelta = 360
+       clearance = 0
+      }
+      ha:line.41 {
+       x1 = -0.700mm
+       y1 = 0.000mm
+       x2 = 0.700mm
+       y2 = 0.000mm
+       thickness = 0.050mm
+       clearance = 0
+      }
+      ha:line.42 {
+       x1 = 0.000mm
+       y1 = -0.700mm
+       x2 = 0.000mm
+       y2 = 0.700mm
+       thickness = 0.050mm
+       clearance = 0
+      }
+      ha:line.43 {
+       x1 = -1.900mm
+       y1 = -2.550mm
+       x2 = 1.900mm
+       y2 = -2.550mm
+       thickness = 0.050mm
+       clearance = 0
+      }
+      ha:line.44 {
+       x1 = 1.900mm
+       y1 = -2.550mm
+       x2 = 1.900mm
+       y2 = 2.650mm
+       thickness = 0.050mm
+       clearance = 0
+      }
+      ha:line.45 {
+       x1 = 1.900mm
+       y1 = 2.650mm
+       x2 = -1.900mm
+       y2 = 2.650mm
+       thickness = 0.050mm
+       clearance = 0
+      }
+      ha:line.46 {
+       x1 = -1.900mm
+       y1 = 2.650mm
+       x2 = -1.900mm
+       y2 = -2.550mm
+       thickness = 0.050mm
+       clearance = 0
+      }
+     }
+    }
+   }
+  }
+ }
+}
diff --git a/hardware/coraleda/subc/SOIC127P1030X265-16N.lht b/hardware/coraleda/subc/SOIC127P1030X265-16N.lht
new file mode 100644
index 0000000..c7749db
--- /dev/null
+++ b/hardware/coraleda/subc/SOIC127P1030X265-16N.lht
@@ -0,0 +1,968 @@
+# subcircuit generated using QEDA
+li:pcb-rnd-subcircuit-v6 {
+ ha:subc.1 {
+  uid = SOIC127P1030X265-16N....
+  ha:attributes {
+   footprint = SOIC127P1030X265-16N
+  }
+  ha:data {
+   li:padstack_prototypes {
+    ha:ps_proto_v6.2 {
+     htop = 0
+     hbottom = 0
+     hdia = 0
+     hplated = 0
+     li:shape {
+      ha:ps_shape_v4 {
+       clearance = 0.200mm
+       li:ps_poly {
+        0.988mm
+        -0.150mm
+        0.985mm
+        -0.176mm
+        0.978mm
+        -0.201mm
+        0.967mm
+        -0.225mm
+        0.952mm
+        -0.246mm
+        0.934mm
+        -0.265mm
+        0.913mm
+        -0.280mm
+        0.889mm
+        -0.291mm
+        0.864mm
+        -0.298mm
+        0.838mm
+        -0.300mm
+        -0.838mm
+        -0.300mm
+        -0.864mm
+        -0.298mm
+        -0.889mm
+        -0.291mm
+        -0.912mm
+        -0.280mm
+        -0.934mm
+        -0.265mm
+        -0.952mm
+        -0.246mm
+        -0.967mm
+        -0.225mm
+        -0.978mm
+        -0.201mm
+        -0.985mm
+        -0.176mm
+        -0.988mm
+        -0.150mm
+        -0.988mm
+        0.150mm
+        -0.985mm
+        0.176mm
+        -0.978mm
+        0.201mm
+        -0.967mm
+        0.225mm
+        -0.952mm
+        0.246mm
+        -0.934mm
+        0.265mm
+        -0.913mm
+        0.280mm
+        -0.889mm
+        0.291mm
+        -0.864mm
+        0.298mm
+        -0.838mm
+        0.300mm
+        0.838mm
+        0.300mm
+        0.864mm
+        0.298mm
+        0.889mm
+        0.291mm
+        0.913mm
+        0.280mm
+        0.934mm
+        0.265mm
+        0.952mm
+        0.246mm
+        0.967mm
+        0.225mm
+        0.978mm
+        0.201mm
+        0.985mm
+        0.176mm
+        0.988mm
+        0.150mm
+       }
+       ha:layer_mask {
+        top = 1
+        copper = 1
+       }
+       ha:combining {
+       }
+      }
+      ha:ps_shape_v4 {
+       clearance = 0
+       li:ps_poly {
+        1.038mm
+        -0.175mm
+        1.035mm
+        -0.205mm
+        1.027mm
+        -0.235mm
+        1.014mm
+        -0.262mm
+        0.997mm
+        -0.287mm
+        0.975mm
+        -0.309mm
+        0.950mm
+        -0.327mm
+        0.922mm
+        -0.339mm
+        0.893mm
+        -0.347mm
+        0.863mm
+        -0.350mm
+        -0.863mm
+        -0.350mm
+        -0.893mm
+        -0.347mm
+        -0.922mm
+        -0.339mm
+        -0.950mm
+        -0.327mm
+        -0.975mm
+        -0.309mm
+        -0.997mm
+        -0.287mm
+        -1.014mm
+        -0.262mm
+        -1.027mm
+        -0.235mm
+        -1.035mm
+        -0.205mm
+        -1.038mm
+        -0.175mm
+        -1.038mm
+        0.175mm
+        -1.035mm
+        0.205mm
+        -1.027mm
+        0.235mm
+        -1.014mm
+        0.263mm
+        -0.997mm
+        0.287mm
+        -0.975mm
+        0.309mm
+        -0.950mm
+        0.327mm
+        -0.922mm
+        0.339mm
+        -0.893mm
+        0.347mm
+        -0.863mm
+        0.350mm
+        0.863mm
+        0.350mm
+        0.893mm
+        0.347mm
+        0.922mm
+        0.339mm
+        0.950mm
+        0.327mm
+        0.975mm
+        0.309mm
+        0.997mm
+        0.287mm
+        1.014mm
+        0.263mm
+        1.027mm
+        0.235mm
+        1.035mm
+        0.205mm
+        1.038mm
+        0.175mm
+       }
+       ha:layer_mask {
+        top = 1
+        mask = 1
+       }
+       ha:combining {
+        sub = 1
+        auto = 1
+       }
+      }
+      ha:ps_shape_v4 {
+       clearance = 0
+       li:ps_poly {
+        0.988mm
+        -0.150mm
+        0.985mm
+        -0.176mm
+        0.978mm
+        -0.201mm
+        0.967mm
+        -0.225mm
+        0.952mm
+        -0.246mm
+        0.934mm
+        -0.265mm
+        0.913mm
+        -0.280mm
+        0.889mm
+        -0.291mm
+        0.864mm
+        -0.298mm
+        0.838mm
+        -0.300mm
+        -0.838mm
+        -0.300mm
+        -0.864mm
+        -0.298mm
+        -0.889mm
+        -0.291mm
+        -0.912mm
+        -0.280mm
+        -0.934mm
+        -0.265mm
+        -0.952mm
+        -0.246mm
+        -0.967mm
+        -0.225mm
+        -0.978mm
+        -0.201mm
+        -0.985mm
+        -0.176mm
+        -0.988mm
+        -0.150mm
+        -0.988mm
+        0.150mm
+        -0.985mm
+        0.176mm
+        -0.978mm
+        0.201mm
+        -0.967mm
+        0.225mm
+        -0.952mm
+        0.246mm
+        -0.934mm
+        0.265mm
+        -0.913mm
+        0.280mm
+        -0.889mm
+        0.291mm
+        -0.864mm
+        0.298mm
+        -0.838mm
+        0.300mm
+        0.838mm
+        0.300mm
+        0.864mm
+        0.298mm
+        0.889mm
+        0.291mm
+        0.913mm
+        0.280mm
+        0.934mm
+        0.265mm
+        0.952mm
+        0.246mm
+        0.967mm
+        0.225mm
+        0.978mm
+        0.201mm
+        0.985mm
+        0.176mm
+        0.988mm
+        0.150mm
+       }
+       ha:layer_mask {
+        top = 1
+        paste = 1
+       }
+       ha:combining {
+        auto = 1
+       }
+      }
+     }
+    }
+   }
+   li:objects {
+    ha:padstack_ref.49 {
+     proto = 2
+     rot = 0
+     x = -4.700mm
+     y = -4.445mm
+     ha:attributes {
+      term = 1
+      name = 1
+     }
+     clearance = 0.200mm
+     ha:flags {
+      clearline = 1
+     }
+    }
+    ha:padstack_ref.50 {
+     proto = 2
+     rot = 0
+     x = -4.700mm
+     y = -3.175mm
+     ha:attributes {
+      term = 2
+      name = 2
+     }
+     clearance = 0.200mm
+     ha:flags {
+      clearline = 1
+     }
+    }
+    ha:padstack_ref.51 {
+     proto = 2
+     rot = 0
+     x = -4.700mm
+     y = -1.905mm
+     ha:attributes {
+      term = 3
+      name = 3
+     }
+     clearance = 0.200mm
+     ha:flags {
+      clearline = 1
+     }
+    }
+    ha:padstack_ref.52 {
+     proto = 2
+     rot = 0
+     x = -4.700mm
+     y = -0.635mm
+     ha:attributes {
+      term = 4
+      name = 4
+     }
+     clearance = 0.200mm
+     ha:flags {
+      clearline = 1
+     }
+    }
+    ha:padstack_ref.53 {
+     proto = 2
+     rot = 0
+     x = -4.700mm
+     y = 0.635mm
+     ha:attributes {
+      term = 5
+      name = 5
+     }
+     clearance = 0.200mm
+     ha:flags {
+      clearline = 1
+     }
+    }
+    ha:padstack_ref.54 {
+     proto = 2
+     rot = 0
+     x = -4.700mm
+     y = 1.905mm
+     ha:attributes {
+      term = 6
+      name = 6
+     }
+     clearance = 0.200mm
+     ha:flags {
+      clearline = 1
+     }
+    }
+    ha:padstack_ref.55 {
+     proto = 2
+     rot = 0
+     x = -4.700mm
+     y = 3.175mm
+     ha:attributes {
+      term = 7
+      name = 7
+     }
+     clearance = 0.200mm
+     ha:flags {
+      clearline = 1
+     }
+    }
+    ha:padstack_ref.56 {
+     proto = 2
+     rot = 0
+     x = -4.700mm
+     y = 4.445mm
+     ha:attributes {
+      term = 8
+      name = 8
+     }
+     clearance = 0.200mm
+     ha:flags {
+      clearline = 1
+     }
+    }
+    ha:padstack_ref.57 {
+     proto = 2
+     rot = 0
+     x = 4.700mm
+     y = -4.445mm
+     ha:attributes {
+      term = 16
+      name = 16
+     }
+     clearance = 0.200mm
+     ha:flags {
+      clearline = 1
+     }
+    }
+    ha:padstack_ref.58 {
+     proto = 2
+     rot = 0
+     x = 4.700mm
+     y = -3.175mm
+     ha:attributes {
+      term = 15
+      name = 15
+     }
+     clearance = 0.200mm
+     ha:flags {
+      clearline = 1
+     }
+    }
+    ha:padstack_ref.59 {
+     proto = 2
+     rot = 0
+     x = 4.700mm
+     y = -1.905mm
+     ha:attributes {
+      term = 14
+      name = 14
+     }
+     clearance = 0.200mm
+     ha:flags {
+      clearline = 1
+     }
+    }
+    ha:padstack_ref.60 {
+     proto = 2
+     rot = 0
+     x = 4.700mm
+     y = -0.635mm
+     ha:attributes {
+      term = 13
+      name = 13
+     }
+     clearance = 0.200mm
+     ha:flags {
+      clearline = 1
+     }
+    }
+    ha:padstack_ref.61 {
+     proto = 2
+     rot = 0
+     x = 4.700mm
+     y = 0.635mm
+     ha:attributes {
+      term = 12
+      name = 12
+     }
+     clearance = 0.200mm
+     ha:flags {
+      clearline = 1
+     }
+    }
+    ha:padstack_ref.62 {
+     proto = 2
+     rot = 0
+     x = 4.700mm
+     y = 1.905mm
+     ha:attributes {
+      term = 11
+      name = 11
+     }
+     clearance = 0.200mm
+     ha:flags {
+      clearline = 1
+     }
+    }
+    ha:padstack_ref.63 {
+     proto = 2
+     rot = 0
+     x = 4.700mm
+     y = 3.175mm
+     ha:attributes {
+      term = 10
+      name = 10
+     }
+     clearance = 0.200mm
+     ha:flags {
+      clearline = 1
+     }
+    }
+    ha:padstack_ref.64 {
+     proto = 2
+     rot = 0
+     x = 4.700mm
+     y = 4.445mm
+     ha:attributes {
+      term = 9
+      name = 9
+     }
+     clearance = 0.200mm
+     ha:flags {
+      clearline = 1
+     }
+    }
+   }
+   li:layers {
+    ha:subc-aux {
+     lid = 0
+     ha:type {
+      top = 1
+      misc = 1
+      virtual = 1
+     }
+     li:objects {
+      ha:line.65 {
+       clearance = 0
+       thickness = 0.1mm
+       ha:attributes {
+        subc-role = origin
+       }
+       x1 = 0.000mm
+       x2 = 0.000mm
+       y1 = 0.000mm
+       y2 = 0.000mm
+      }
+      ha:line.66 {
+       clearance = 0
+       thickness = 0.1mm
+       ha:attributes {
+        subc-role = x
+       }
+       x1 = 0.000mm
+       x2 = 1.000mm
+       y1 = 0.000mm
+       y2 = 0.000mm
+      }
+      ha:line.67 {
+       clearance = 0
+       thickness = 0.1mm
+       ha:attributes {
+        subc-role = y
+       }
+       x1 = 0.000mm
+       x2 = 0.000mm
+       y1 = 0.000mm
+       y2 = 1.000mm
+      }
+     }
+    }
+    ha:top-silkscreen {
+     lid = 1
+     ha:type {
+      top = 1
+      silk = 1
+     }
+     li:objects {
+      ha:text.68 {
+       x = 0.000mm
+       y = 0.000mm
+       rot = 0
+       scale = 100
+       string = %a.parent.refdes%
+       fid = 0
+       ha:flags {
+         floater = 1
+         dyntext = 1
+       }
+      }
+      ha:line.69 {
+       x1 = -3.810mm
+       y1 = -5.210mm
+       x2 = 3.810mm
+       y2 = -5.210mm
+       thickness = 0.120mm
+       clearance = 0
+      }
+      ha:line.70 {
+       x1 = 3.810mm
+       y1 = -5.210mm
+       x2 = 3.810mm
+       y2 = -5.005mm
+       thickness = 0.120mm
+       clearance = 0
+      }
+      ha:line.71 {
+       x1 = 3.810mm
+       y1 = -3.885mm
+       x2 = 3.810mm
+       y2 = -3.735mm
+       thickness = 0.120mm
+       clearance = 0
+      }
+      ha:line.72 {
+       x1 = 3.810mm
+       y1 = -2.615mm
+       x2 = 3.810mm
+       y2 = -2.465mm
+       thickness = 0.120mm
+       clearance = 0
+      }
+      ha:line.73 {
+       x1 = 3.810mm
+       y1 = -1.345mm
+       x2 = 3.810mm
+       y2 = -1.195mm
+       thickness = 0.120mm
+       clearance = 0
+      }
+      ha:line.74 {
+       x1 = 3.810mm
+       y1 = -0.075mm
+       x2 = 3.810mm
+       y2 = 0.075mm
+       thickness = 0.120mm
+       clearance = 0
+      }
+      ha:line.75 {
+       x1 = 3.810mm
+       y1 = 1.195mm
+       x2 = 3.810mm
+       y2 = 1.345mm
+       thickness = 0.120mm
+       clearance = 0
+      }
+      ha:line.76 {
+       x1 = 3.810mm
+       y1 = 2.465mm
+       x2 = 3.810mm
+       y2 = 2.615mm
+       thickness = 0.120mm
+       clearance = 0
+      }
+      ha:line.77 {
+       x1 = 3.810mm
+       y1 = 3.735mm
+       x2 = 3.810mm
+       y2 = 3.885mm
+       thickness = 0.120mm
+       clearance = 0
+      }
+      ha:line.78 {
+       x1 = 3.810mm
+       y1 = 5.005mm
+       x2 = 3.810mm
+       y2 = 5.210mm
+       thickness = 0.120mm
+       clearance = 0
+      }
+      ha:line.79 {
+       x1 = 3.810mm
+       y1 = 5.210mm
+       x2 = -3.810mm
+       y2 = 5.210mm
+       thickness = 0.120mm
+       clearance = 0
+      }
+      ha:line.80 {
+       x1 = -3.810mm
+       y1 = -5.210mm
+       x2 = -3.810mm
+       y2 = -5.005mm
+       thickness = 0.120mm
+       clearance = 0
+      }
+      ha:line.81 {
+       x1 = -3.810mm
+       y1 = -3.885mm
+       x2 = -3.810mm
+       y2 = -3.735mm
+       thickness = 0.120mm
+       clearance = 0
+      }
+      ha:line.82 {
+       x1 = -3.810mm
+       y1 = -2.615mm
+       x2 = -3.810mm
+       y2 = -2.465mm
+       thickness = 0.120mm
+       clearance = 0
+      }
+      ha:line.83 {
+       x1 = -3.810mm
+       y1 = -1.345mm
+       x2 = -3.810mm
+       y2 = -1.195mm
+       thickness = 0.120mm
+       clearance = 0
+      }
+      ha:line.84 {
+       x1 = -3.810mm
+       y1 = -0.075mm
+       x2 = -3.810mm
+       y2 = 0.075mm
+       thickness = 0.120mm
+       clearance = 0
+      }
+      ha:line.85 {
+       x1 = -3.810mm
+       y1 = 1.195mm
+       x2 = -3.810mm
+       y2 = 1.345mm
+       thickness = 0.120mm
+       clearance = 0
+      }
+      ha:line.86 {
+       x1 = -3.810mm
+       y1 = 2.465mm
+       x2 = -3.810mm
+       y2 = 2.615mm
+       thickness = 0.120mm
+       clearance = 0
+      }
+      ha:line.87 {
+       x1 = -3.810mm
+       y1 = 3.735mm
+       x2 = -3.810mm
+       y2 = 3.885mm
+       thickness = 0.120mm
+       clearance = 0
+      }
+      ha:line.88 {
+       x1 = -3.810mm
+       y1 = 5.005mm
+       x2 = -3.810mm
+       y2 = 5.210mm
+       thickness = 0.120mm
+       clearance = 0
+      }
+      ha:arc.89 {
+       x = -4.700mm
+       y = -5.435mm
+       width = 0.125mm
+       height = 0.125mm
+       thickness = 0.250mm
+       astart = 0
+       adelta = 360
+       clearance = 0
+      }
+      ha:line.90 {
+       x1 = -3.810mm
+       y1 = -5.005mm
+       x2 = -5.947mm
+       y2 = -5.005mm
+       thickness = 0.120mm
+       clearance = 0
+      }
+      ha:line.91 {
+       x1 = -5.947mm
+       y1 = -5.005mm
+       x2 = -5.947mm
+       y2 = -4.145mm
+       thickness = 0.120mm
+       clearance = 0
+      }
+     }
+    }
+    ha:top-assembly {
+     lid = 2
+     ha:type {
+      top = 1
+      doc = 1
+     }
+     purpose = assy
+     li:objects {
+      ha:text.92 {
+       x = 0.000mm
+       y = 0.000mm
+       rot = 90
+       scale = 100
+       string = SOIC127P1030X265-16N
+       fid = 0
+       ha:flags {
+         floater = 1
+       }
+      }
+      ha:line.93 {
+       x1 = -2.750mm
+       y1 = -5.150mm
+       x2 = 3.750mm
+       y2 = -5.150mm
+       thickness = 0.100mm
+       clearance = 0
+      }
+      ha:line.94 {
+       x1 = 3.750mm
+       y1 = -5.150mm
+       x2 = 3.750mm
+       y2 = 5.150mm
+       thickness = 0.100mm
+       clearance = 0
+      }
+      ha:line.95 {
+       x1 = 3.750mm
+       y1 = 5.150mm
+       x2 = -3.750mm
+       y2 = 5.150mm
+       thickness = 0.100mm
+       clearance = 0
+      }
+      ha:line.96 {
+       x1 = -3.750mm
+       y1 = 5.150mm
+       x2 = -3.750mm
+       y2 = -4.150mm
+       thickness = 0.100mm
+       clearance = 0
+      }
+      ha:line.97 {
+       x1 = -3.750mm
+       y1 = -4.150mm
+       x2 = -2.750mm
+       y2 = -5.150mm
+       thickness = 0.100mm
+       clearance = 0
+      }
+     }
+    }
+    ha:top-courtyard {
+     lid = 3
+     ha:type {
+      top = 1
+      doc = 1
+     }
+     purpose = ko.courtyard
+     li:objects {
+      ha:arc.98 {
+       x = 0.000mm
+       y = 0.000mm
+       width = 0.500mm
+       height = 0.500mm
+       thickness = 0.050mm
+       astart = 0
+       adelta = 360
+       clearance = 0
+      }
+      ha:line.99 {
+       x1 = -0.700mm
+       y1 = 0.000mm
+       x2 = 0.700mm
+       y2 = 0.000mm
+       thickness = 0.050mm
+       clearance = 0
+      }
+      ha:line.100 {
+       x1 = 0.000mm
+       y1 = -0.700mm
+       x2 = 0.000mm
+       y2 = 0.700mm
+       thickness = 0.050mm
+       clearance = 0
+      }
+      ha:line.101 {
+       x1 = -5.938mm
+       y1 = -4.995mm
+       x2 = -4.000mm
+       y2 = -4.995mm
+       thickness = 0.050mm
+       clearance = 0
+      }
+      ha:line.102 {
+       x1 = -4.000mm
+       y1 = -4.995mm
+       x2 = -4.000mm
+       y2 = -5.400mm
+       thickness = 0.050mm
+       clearance = 0
+      }
+      ha:line.103 {
+       x1 = -4.000mm
+       y1 = -5.400mm
+       x2 = 4.000mm
+       y2 = -5.400mm
+       thickness = 0.050mm
+       clearance = 0
+      }
+      ha:line.104 {
+       x1 = 4.000mm
+       y1 = -5.400mm
+       x2 = 4.000mm
+       y2 = -4.995mm
+       thickness = 0.050mm
+       clearance = 0
+      }
+      ha:line.105 {
+       x1 = 4.000mm
+       y1 = -4.995mm
+       x2 = 5.938mm
+       y2 = -4.995mm
+       thickness = 0.050mm
+       clearance = 0
+      }
+      ha:line.106 {
+       x1 = 5.938mm
+       y1 = -4.995mm
+       x2 = 5.938mm
+       y2 = 4.995mm
+       thickness = 0.050mm
+       clearance = 0
+      }
+      ha:line.107 {
+       x1 = 5.938mm
+       y1 = 4.995mm
+       x2 = 4.000mm
+       y2 = 4.995mm
+       thickness = 0.050mm
+       clearance = 0
+      }
+      ha:line.108 {
+       x1 = 4.000mm
+       y1 = 4.995mm
+       x2 = 4.000mm
+       y2 = 5.400mm
+       thickness = 0.050mm
+       clearance = 0
+      }
+      ha:line.109 {
+       x1 = 4.000mm
+       y1 = 5.400mm
+       x2 = -4.000mm
+       y2 = 5.400mm
+       thickness = 0.050mm
+       clearance = 0
+      }
+      ha:line.110 {
+       x1 = -4.000mm
+       y1 = 5.400mm
+       x2 = -4.000mm
+       y2 = 4.995mm
+       thickness = 0.050mm
+       clearance = 0
+      }
+      ha:line.111 {
+       x1 = -4.000mm
+       y1 = 4.995mm
+       x2 = -5.938mm
+       y2 = 4.995mm
+       thickness = 0.050mm
+       clearance = 0
+      }
+      ha:line.112 {
+       x1 = -5.938mm
+       y1 = 4.995mm
+       x2 = -5.938mm
+       y2 = -4.995mm
+       thickness = 0.050mm
+       clearance = 0
+      }
+     }
+    }
+   }
+  }
+ }
+}
diff --git a/hardware/geda/symbols/LCM1602.sym b/hardware/geda/symbols/LCM1602.sym
index 29da5e3..2e4eb1b 100644
--- a/hardware/geda/symbols/LCM1602.sym
+++ b/hardware/geda/symbols/LCM1602.sym
@@ -3,200 +3,200 @@ T 0 0 5 8 0 0 0 0 1
 keywords=display, LCD
 T 0 0 5 8 0 0 0 0 1
 footprint=DISPLAY_LCM1602.fp
-B 400 5200 1800 -4800 3 0 1 0 -1 -1 0 -1 -1 -1 -1 -1
-P 0 4800 400 4800 1 0 0
-{
-T 680 4800 9 8 1 1 0 0 1
-pinlabel=RS
-T 680 4800 5 8 0 0 0 2 1
-pintype=in
-T 120 4800 5 8 1 1 0 6 1
-pinnumber=4
-T 120 4800 5 8 0 0 0 8 1
-pinseq=4
-}
-V 500 4800 50 3 0 0 0 -1 -1 0 -1 -1 -1 -1 -1
-P 0 4400 400 4400 1 0 0
-{
-T 680 4400 9 8 1 1 0 0 1
-pinlabel=RnW
-T 680 4400 5 8 0 0 0 2 1
-pintype=in
-T 120 4400 5 8 1 1 0 6 1
-pinnumber=5
-T 120 4400 5 8 0 0 0 8 1
-pinseq=5
-}
-V 500 4400 50 3 0 0 0 -1 -1 0 -1 -1 -1 -1 -1
+B 400 4400 2000 -4000 3 0 1 0 -1 -1 0 -1 -1 -1 -1 -1
 P 0 4000 400 4000 1 0 0
 {
 T 680 4000 9 8 1 1 0 0 1
-pinlabel=E
+pinlabel=VO
 T 680 4000 5 8 0 0 0 2 1
 pintype=in
 T 120 4000 5 8 1 1 0 6 1
-pinnumber=6
+pinnumber=3
 T 120 4000 5 8 0 0 0 8 1
-pinseq=6
+pinseq=3
 }
 V 500 4000 50 3 0 0 0 -1 -1 0 -1 -1 -1 -1 -1
 P 0 3600 400 3600 1 0 0
 {
 T 680 3600 9 8 1 1 0 0 1
-pinlabel=DB0
+pinlabel=RS
 T 680 3600 5 8 0 0 0 2 1
-pintype=io
+pintype=in
 T 120 3600 5 8 1 1 0 6 1
-pinnumber=7
+pinnumber=4
 T 120 3600 5 8 0 0 0 8 1
-pinseq=7
+pinseq=4
 }
 V 500 3600 50 3 0 0 0 -1 -1 0 -1 -1 -1 -1 -1
+P 0 3400 400 3400 1 0 0
+{
+T 680 3400 9 8 1 1 0 0 1
+pinlabel=RnW
+T 680 3400 5 8 0 0 0 2 1
+pintype=in
+T 120 3400 5 8 1 1 0 6 1
+pinnumber=5
+T 120 3400 5 8 0 0 0 8 1
+pinseq=5
+}
+V 500 3400 50 3 0 0 0 -1 -1 0 -1 -1 -1 -1 -1
 P 0 3200 400 3200 1 0 0
 {
 T 680 3200 9 8 1 1 0 0 1
-pinlabel=DB1
+pinlabel=E
 T 680 3200 5 8 0 0 0 2 1
-pintype=pas
+pintype=in
 T 120 3200 5 8 1 1 0 6 1
-pinnumber=8
+pinnumber=6
 T 120 3200 5 8 0 0 0 8 1
-pinseq=8
+pinseq=6
 }
 V 500 3200 50 3 0 0 0 -1 -1 0 -1 -1 -1 -1 -1
 P 0 2800 400 2800 1 0 0
 {
 T 680 2800 9 8 1 1 0 0 1
-pinlabel=DB2
+pinlabel=DB0
 T 680 2800 5 8 0 0 0 2 1
-pintype=pas
+pintype=io
 T 120 2800 5 8 1 1 0 6 1
-pinnumber=9
+pinnumber=7
 T 120 2800 5 8 0 0 0 8 1
-pinseq=9
+pinseq=7
 }
 V 500 2800 50 3 0 0 0 -1 -1 0 -1 -1 -1 -1 -1
+P 0 2600 400 2600 1 0 0
+{
+T 680 2600 9 8 1 1 0 0 1
+pinlabel=DB1
+T 680 2600 5 8 0 0 0 2 1
+pintype=io
+T 120 2600 5 8 1 1 0 6 1
+pinnumber=8
+T 120 2600 5 8 0 0 0 8 1
+pinseq=8
+}
+V 500 2600 50 3 0 0 0 -1 -1 0 -1 -1 -1 -1 -1
 P 0 2400 400 2400 1 0 0
 {
 T 680 2400 9 8 1 1 0 0 1
-pinlabel=DB3
+pinlabel=DB2
 T 680 2400 5 8 0 0 0 2 1
-pintype=pas
+pintype=io
 T 120 2400 5 8 1 1 0 6 1
-pinnumber=10
+pinnumber=9
 T 120 2400 5 8 0 0 0 8 1
-pinseq=10
+pinseq=9
 }
 V 500 2400 50 3 0 0 0 -1 -1 0 -1 -1 -1 -1 -1
+P 0 2200 400 2200 1 0 0
+{
+T 680 2200 9 8 1 1 0 0 1
+pinlabel=DB3
+T 680 2200 5 8 0 0 0 2 1
+pintype=io
+T 120 2200 5 8 1 1 0 6 1
+pinnumber=10
+T 120 2200 5 8 0 0 0 8 1
+pinseq=10
+}
+V 500 2200 50 3 0 0 0 -1 -1 0 -1 -1 -1 -1 -1
 P 0 2000 400 2000 1 0 0
 {
 T 680 2000 9 8 1 1 0 0 1
 pinlabel=DB4
 T 680 2000 5 8 0 0 0 2 1
-pintype=pas
+pintype=io
 T 120 2000 5 8 1 1 0 6 1
 pinnumber=11
 T 120 2000 5 8 0 0 0 8 1
 pinseq=11
 }
 V 500 2000 50 3 0 0 0 -1 -1 0 -1 -1 -1 -1 -1
+P 0 1800 400 1800 1 0 0
+{
+T 680 1800 9 8 1 1 0 0 1
+pinlabel=DB5
+T 680 1800 5 8 0 0 0 2 1
+pintype=io
+T 120 1800 5 8 1 1 0 6 1
+pinnumber=12
+T 120 1800 5 8 0 0 0 8 1
+pinseq=12
+}
+V 500 1800 50 3 0 0 0 -1 -1 0 -1 -1 -1 -1 -1
 P 0 1600 400 1600 1 0 0
 {
 T 680 1600 9 8 1 1 0 0 1
-pinlabel=DB5
-T 680 1600 5 8 0 0 0 2 1
-pintype=pas
-T 120 1600 5 8 1 1 0 6 1
-pinnumber=12
-T 120 1600 5 8 0 0 0 8 1
-pinseq=12
-}
-V 500 1600 50 3 0 0 0 -1 -1 0 -1 -1 -1 -1 -1
-P 0 1200 400 1200 1 0 0
-{
-T 680 1200 9 8 1 1 0 0 1
 pinlabel=DB6
-T 680 1200 5 8 0 0 0 2 1
-pintype=pas
-T 120 1200 5 8 1 1 0 6 1
+T 680 1600 5 8 0 0 0 2 1
+pintype=io
+T 120 1600 5 8 1 1 0 6 1
 pinnumber=13
-T 120 1200 5 8 0 0 0 8 1
+T 120 1600 5 8 0 0 0 8 1
 pinseq=13
 }
-V 500 1200 50 3 0 0 0 -1 -1 0 -1 -1 -1 -1 -1
+V 500 1600 50 3 0 0 0 -1 -1 0 -1 -1 -1 -1 -1
+P 0 1400 400 1400 1 0 0
+{
+T 680 1400 9 8 1 1 0 0 1
+pinlabel=DB7
+T 680 1400 5 8 0 0 0 2 1
+pintype=io
+T 120 1400 5 8 1 1 0 6 1
+pinnumber=14
+T 120 1400 5 8 0 0 0 8 1
+pinseq=14
+}
+V 500 1400 50 3 0 0 0 -1 -1 0 -1 -1 -1 -1 -1
+P 0 1000 400 1000 1 0 0
+{
+T 680 1000 9 8 1 1 0 0 1
+pinlabel=LED_A
+T 680 1000 5 8 0 0 0 2 1
+pintype=pwr
+T 120 1000 5 8 1 1 0 6 1
+pinnumber=15
+T 120 1000 5 8 0 0 0 8 1
+pinseq=15
+}
+V 500 1000 50 3 0 0 0 -1 -1 0 -1 -1 -1 -1 -1
 P 0 800 400 800 1 0 0
 {
 T 680 800 9 8 1 1 0 0 1
-pinlabel=DB7
-T 680 800 5 8 0 0 0 2 1
-pintype=pas
-T 120 800 5 8 1 1 0 6 1
-pinnumber=14
-T 120 800 5 8 0 0 0 8 1
-pinseq=14
-}
-V 500 800 50 3 0 0 0 -1 -1 0 -1 -1 -1 -1 -1
-P 2600 3200 2200 3200 1 0 0
-{
-T 1920 3200 9 8 1 1 0 6 1
-pinlabel=VO
-T 1920 3200 5 8 0 0 0 8 1
-pintype=in
-T 2480 3200 5 8 1 1 0 0 1
-pinnumber=3
-T 2480 3200 5 8 0 0 0 2 1
-pinseq=3
-}
-V 2100 3200 50 3 0 0 0 -1 -1 0 -1 -1 -1 -1 -1
-P 2600 2800 2200 2800 1 0 0
-{
-T 1920 2800 9 8 1 1 0 6 1
-pinlabel=LED_A
-T 1920 2800 5 8 0 0 0 8 1
-pintype=pwr
-T 2480 2800 5 8 1 1 0 0 1
-pinnumber=15
-T 2480 2800 5 8 0 0 0 2 1
-pinseq=15
-}
-V 2100 2800 50 3 0 0 0 -1 -1 0 -1 -1 -1 -1 -1
-P 2600 2400 2200 2400 1 0 0
-{
-T 1920 2400 9 8 1 1 0 6 1
 pinlabel=LED_K
-T 1920 2400 5 8 0 0 0 8 1
+T 680 800 5 8 0 0 0 2 1
 pintype=pwr
-T 2480 2400 5 8 1 1 0 0 1
+T 120 800 5 8 1 1 0 6 1
 pinnumber=16
-T 2480 2400 5 8 0 0 0 2 1
+T 120 800 5 8 0 0 0 8 1
 pinseq=16
 }
-V 2100 2400 50 3 0 0 0 -1 -1 0 -1 -1 -1 -1 -1
-P 1300 5600 1300 5200 1 0 0
+V 500 800 50 3 0 0 0 -1 -1 0 -1 -1 -1 -1 -1
+P 1400 4800 1400 4400 1 0 0
 {
-T 1300 4920 9 8 1 1 90 6 1
+T 1400 4120 9 8 1 1 90 6 1
 pinlabel=VDD
-T 1300 4920 5 8 0 0 90 8 1
+T 1400 4120 5 8 0 0 90 8 1
 pintype=pwr
-T 1300 5480 5 8 1 1 90 0 1
+T 1400 4680 5 8 1 1 90 0 1
 pinnumber=2
-T 1300 5480 5 8 0 0 90 2 1
+T 1400 4680 5 8 0 0 90 2 1
 pinseq=2
 }
-V 1300 5100 50 3 0 0 0 -1 -1 0 -1 -1 -1 -1 -1
-P 1300 0 1300 400 1 0 0
+V 1400 4300 50 3 0 0 0 -1 -1 0 -1 -1 -1 -1 -1
+P 1400 0 1400 400 1 0 0
 {
-T 1300 680 9 8 1 1 90 0 1
+T 1400 680 9 8 1 1 90 0 1
 pinlabel=VSS
-T 1300 680 5 8 0 0 90 2 1
+T 1400 680 5 8 0 0 90 2 1
 pintype=pwr
-T 1300 120 5 8 1 1 90 6 1
+T 1400 120 5 8 1 1 90 6 1
 pinnumber=1
-T 1300 120 5 8 0 0 90 8 1
+T 1400 120 5 8 0 0 90 8 1
 pinseq=1
 }
-V 1300 500 50 3 0 0 0 -1 -1 0 -1 -1 -1 -1 -1
-T 400 5260 5 10 1 1 0 0 1
+V 1400 500 50 3 0 0 0 -1 -1 0 -1 -1 -1 -1 -1
+T 400 4460 5 10 1 1 0 0 1
 refdes=J?
-T 1360 340 9 10 1 1 0 2 1
+T 1460 340 9 10 1 1 0 2 1
 device=LCM1602
diff --git a/hardware/geda/symbols/PCF8574.sym b/hardware/geda/symbols/PCF8574.sym
new file mode 100644
index 0000000..e59d86c
--- /dev/null
+++ b/hardware/geda/symbols/PCF8574.sym
@@ -0,0 +1,188 @@
+v 20150930 2
+T 0 0 5 8 0 0 0 0 1
+datasheet=https://www.nxp.com/docs/en/data-sheet/PCF8574_PCF8574A.pdf
+T 0 0 5 8 0 0 0 0 1
+aliases=PCF8574A
+T 0 0 5 8 0 0 0 0 1
+footprint=SOIC127P1030X265-16N.fp
+B 400 2200 1100 -1800 3 0 1 0 -1 -1 0 -1 -1 -1 -1 -1
+P 0 2000 400 2000 1 0 0
+{
+T 480 2000 9 8 1 1 0 0 1
+pinlabel=SCL
+T 480 2000 5 8 0 0 0 2 1
+pintype=in
+T 320 2000 5 8 1 1 0 6 1
+pinnumber=14
+T 320 2000 5 8 0 0 0 8 1
+pinseq=14
+}
+P 0 1800 400 1800 1 0 0
+{
+T 480 1800 9 8 1 1 0 0 1
+pinlabel=SDA
+T 480 1800 5 8 0 0 0 2 1
+pintype=io
+T 320 1800 5 8 1 1 0 6 1
+pinnumber=15
+T 320 1800 5 8 0 0 0 8 1
+pinseq=15
+}
+P 0 1400 400 1400 1 0 0
+{
+T 480 1400 9 8 1 1 0 0 1
+pinlabel=INT
+T 480 1400 5 8 0 0 0 2 1
+pintype=out
+T 320 1400 5 8 1 1 0 6 1
+pinnumber=13
+T 320 1400 5 8 0 0 0 8 1
+pinseq=13
+}
+P 0 1000 400 1000 1 0 0
+{
+T 480 1000 9 8 1 1 0 0 1
+pinlabel=A0
+T 480 1000 5 8 0 0 0 2 1
+pintype=in
+T 320 1000 5 8 1 1 0 6 1
+pinnumber=1
+T 320 1000 5 8 0 0 0 8 1
+pinseq=1
+}
+P 0 800 400 800 1 0 0
+{
+T 480 800 9 8 1 1 0 0 1
+pinlabel=A1
+T 480 800 5 8 0 0 0 2 1
+pintype=in
+T 320 800 5 8 1 1 0 6 1
+pinnumber=2
+T 320 800 5 8 0 0 0 8 1
+pinseq=2
+}
+P 0 600 400 600 1 0 0
+{
+T 480 600 9 8 1 1 0 0 1
+pinlabel=A2
+T 480 600 5 8 0 0 0 2 1
+pintype=in
+T 320 600 5 8 1 1 0 6 1
+pinnumber=3
+T 320 600 5 8 0 0 0 8 1
+pinseq=3
+}
+P 1900 2000 1500 2000 1 0 0
+{
+T 1420 2000 9 8 1 1 0 6 1
+pinlabel=P0
+T 1420 2000 5 8 0 0 0 8 1
+pintype=io
+T 1580 2000 5 8 1 1 0 0 1
+pinnumber=4
+T 1580 2000 5 8 0 0 0 2 1
+pinseq=4
+}
+P 1900 1800 1500 1800 1 0 0
+{
+T 1420 1800 9 8 1 1 0 6 1
+pinlabel=P1
+T 1420 1800 5 8 0 0 0 8 1
+pintype=io
+T 1580 1800 5 8 1 1 0 0 1
+pinnumber=5
+T 1580 1800 5 8 0 0 0 2 1
+pinseq=5
+}
+P 1900 1600 1500 1600 1 0 0
+{
+T 1420 1600 9 8 1 1 0 6 1
+pinlabel=P2
+T 1420 1600 5 8 0 0 0 8 1
+pintype=io
+T 1580 1600 5 8 1 1 0 0 1
+pinnumber=6
+T 1580 1600 5 8 0 0 0 2 1
+pinseq=6
+}
+P 1900 1400 1500 1400 1 0 0
+{
+T 1420 1400 9 8 1 1 0 6 1
+pinlabel=P3
+T 1420 1400 5 8 0 0 0 8 1
+pintype=io
+T 1580 1400 5 8 1 1 0 0 1
+pinnumber=7
+T 1580 1400 5 8 0 0 0 2 1
+pinseq=7
+}
+P 1900 1200 1500 1200 1 0 0
+{
+T 1420 1200 9 8 1 1 0 6 1
+pinlabel=P4
+T 1420 1200 5 8 0 0 0 8 1
+pintype=io
+T 1580 1200 5 8 1 1 0 0 1
+pinnumber=9
+T 1580 1200 5 8 0 0 0 2 1
+pinseq=9
+}
+P 1900 1000 1500 1000 1 0 0
+{
+T 1420 1000 9 8 1 1 0 6 1
+pinlabel=P5
+T 1420 1000 5 8 0 0 0 8 1
+pintype=io
+T 1580 1000 5 8 1 1 0 0 1
+pinnumber=10
+T 1580 1000 5 8 0 0 0 2 1
+pinseq=10
+}
+P 1900 800 1500 800 1 0 0
+{
+T 1420 800 9 8 1 1 0 6 1
+pinlabel=P6
+T 1420 800 5 8 0 0 0 8 1
+pintype=io
+T 1580 800 5 8 1 1 0 0 1
+pinnumber=11
+T 1580 800 5 8 0 0 0 2 1
+pinseq=11
+}
+P 1900 600 1500 600 1 0 0
+{
+T 1420 600 9 8 1 1 0 6 1
+pinlabel=P7
+T 1420 600 5 8 0 0 0 8 1
+pintype=io
+T 1580 600 5 8 1 1 0 0 1
+pinnumber=12
+T 1580 600 5 8 0 0 0 2 1
+pinseq=12
+}
+P 1000 2600 1000 2200 1 0 0
+{
+T 1000 2120 9 8 1 1 90 6 1
+pinlabel=VDD
+T 1000 2120 5 8 0 0 90 8 1
+pintype=pwr
+T 1000 2280 5 8 1 1 90 0 1
+pinnumber=16
+T 1000 2280 5 8 0 0 90 2 1
+pinseq=16
+}
+P 1000 0 1000 400 1 0 0
+{
+T 1000 480 9 8 1 1 90 0 1
+pinlabel=VSS
+T 1000 480 5 8 0 0 90 2 1
+pintype=pwr
+T 1000 320 5 8 1 1 90 6 1
+pinnumber=8
+T 1000 320 5 8 0 0 90 8 1
+pinseq=8
+}
+T 400 2260 5 10 1 1 0 0 1
+refdes=U?
+T 1060 340 9 10 1 1 0 2 1
+device=PCF8574
diff --git a/hardware/geda/symbols/TRIMPOT_3MM.sym b/hardware/geda/symbols/TRIMPOT_3MM.sym
new file mode 100644
index 0000000..a924e9d
--- /dev/null
+++ b/hardware/geda/symbols/TRIMPOT_3MM.sym
@@ -0,0 +1,13 @@
+v 20150930 2
+T 0 0 5 8 0 0 0 0 1
+datasheet=https://datasheet.lcsc.com/szlcsc/Hokuriku-Elec-Industry-VG039NCHXTB153_C128547.pdf
+T 0 0 5 8 0 0 0 0 1
+footprint=RESISTOR_TRIMPOT_3MM.fp
+B 0 700 600 -600 3 0 1 0 -1 -1 0 -1 -1 -1 -1 -1
+B 100 480 400 -160 3 0 1 0 -1 -1 0 -1 -1 -1 -1 -1
+L 140 240 460 560 3 0 1 0 -1 -1
+L 420 600 500 520 3 0 1 0 -1 -1
+T 300 760 5 10 1 1 0 3 1
+refdes=R?
+T 300 40 9 10 1 1 0 5 1
+device=TRIMPOT_3MM
diff --git a/hardware/library b/hardware/library
index 2e1764d..f986208 160000
--- a/hardware/library
+++ b/hardware/library
@@ -1 +1 @@
-Subproject commit 2e1764db7d364072b4681fb68953fb542e372de9
+Subproject commit f986208a0f57a86563c131ff0df2696d3fc34bab
diff --git a/hardware/usb_cable_tester.sch b/hardware/usb_cable_tester.sch
index 034eb1c..9dda22f 100644
--- a/hardware/usb_cable_tester.sch
+++ b/hardware/usb_cable_tester.sch
@@ -76,63 +76,63 @@ category=passive
 T 11800 16500 5 10 0 0 0 0 1
 note=sets maximum charging current to 240 mAh
 }
-C 12300 20500 1 0 0 XC6206.sym
+C 12700 21300 1 0 0 XC6206.sym
 {
-T 12300 20500 5 8 0 0 0 0 1
+T 12700 21300 5 8 0 0 0 0 1
 footprint=SOT95P280X130-3N.lht
-T 12850 20660 5 10 1 1 0 3 1
+T 13250 21460 5 10 1 1 0 3 1
 refdes=U3
-T 13360 20840 5 10 1 1 0 2 1
+T 13760 21640 5 10 1 1 0 2 1
 device=XC6206
-T 12600 21700 5 10 1 1 0 0 1
+T 13000 22500 5 10 1 1 0 0 1
 value=XC6206P332MR
-T 12300 20500 5 10 0 0 0 0 1
+T 12700 21300 5 10 0 0 0 0 1
 manufacturer=Torex Semicon
-T 12300 20500 5 10 0 0 0 0 1
+T 12700 21300 5 10 0 0 0 0 1
 part-id=XC6206P332MR
-T 12300 20500 5 10 0 0 0 0 1
+T 12700 21300 5 10 0 0 0 0 1
 lcsc-id=C347376
-T 12300 20500 5 10 0 0 0 0 1
+T 12700 21300 5 10 0 0 0 0 1
 category=voltage regulator
 }
-C 13100 20200 1 0 0 ground.sym
-C 12300 20400 1 90 0 capacitor-1.sym
+C 13500 21000 1 0 0 ground.sym
+C 12700 21200 1 90 0 capacitor-1.sym
 {
-T 11600 20600 5 10 0 0 90 0 1
+T 12000 21400 5 10 0 0 90 0 1
 device=CAPACITOR
-T 11400 20600 5 10 0 0 90 0 1
+T 11800 21400 5 10 0 0 90 0 1
 symversion=0.1
-T 12300 20400 5 10 0 0 0 0 1
+T 12700 21200 5 10 0 0 0 0 1
 footprint=CAPC1608X92N.lht
-T 11900 21000 5 10 1 1 0 6 1
+T 12300 21800 5 10 1 1 0 6 1
 refdes=C3
-T 11900 20700 5 10 1 1 180 0 1
+T 12300 21500 5 10 1 1 180 0 1
 value=1uF
-T 12300 20400 5 10 0 0 0 0 1
+T 12700 21200 5 10 0 0 0 0 1
 category=passive
 }
-C 11900 20100 1 0 0 ground.sym
-C 14400 20400 1 270 1 capacitor-1.sym
+C 12300 20900 1 0 0 ground.sym
+C 14800 21200 1 270 1 capacitor-1.sym
 {
-T 15100 20600 5 10 0 0 90 2 1
+T 15500 21400 5 10 0 0 90 2 1
 device=CAPACITOR
-T 15300 20600 5 10 0 0 90 2 1
+T 15700 21400 5 10 0 0 90 2 1
 symversion=0.1
-T 14400 20400 5 10 0 1 0 0 1
+T 14800 21200 5 10 0 1 0 0 1
 footprint=CAPC1608X92N.lht
-T 14800 21000 5 10 1 1 0 0 1
+T 15200 21800 5 10 1 1 0 0 1
 refdes=C4
-T 14800 20700 5 10 1 1 180 6 1
+T 15200 21500 5 10 1 1 180 6 1
 value=1uF
-T 14400 20400 5 10 0 0 0 0 1
+T 14800 21200 5 10 0 0 0 0 1
 category=passive
 }
-C 14400 20100 1 0 0 ground.sym
-N 12100 21500 12100 21300 4
-N 12300 21400 12100 21400 4
-N 14600 21500 14600 21300 4
-N 14400 21400 14600 21400 4
-C 14400 21500 1 0 0 3.3V-plus-1.sym
+C 14800 20900 1 0 0 ground.sym
+N 12500 22300 12500 22100 4
+N 12700 22200 12500 22200 4
+N 15000 22300 15000 22100 4
+N 14800 22200 15000 22200 4
+C 14800 22300 1 0 0 3.3V-plus-1.sym
 C 4200 800 1 0 0 STM32F103xC.sym
 {
 T 4200 800 5 8 0 0 0 0 1
@@ -294,11 +294,11 @@ value=I2C_SCL
 C 8600 11900 1 0 0 output-2.sym
 {
 T 9500 12100 5 10 0 0 0 0 1
-net=DISPLAY_POWER:1
+net=PERIPH_POWER:1
 T 8800 12600 5 10 0 0 0 0 1
 device=none
 T 9500 12000 5 10 1 1 0 1 1
-value=DISPLAY_POWER
+value=PERIPH_POWER
 }
 C 4200 6900 1 0 1 passive-1.sym
 {
@@ -1474,295 +1474,142 @@ T 300 18100 6 14 1 0 0 0 1
 RESET/START
 T 4300 18100 6 14 1 0 0 0 1
 DEBUG (SWD)
-C 27200 21800 1 270 0 BSS84.sym
+C 13200 20200 1 270 0 BSS84.sym
 {
-T 27200 21800 5 8 0 0 270 0 1
+T 13200 20200 5 8 0 0 270 0 1
 footprint=SOT95P237X112-3N.lht
-T 27860 21640 5 10 1 1 180 6 1
+T 13860 20040 5 10 1 1 180 6 1
 refdes=Q1
-T 28240 20640 5 10 1 1 0 8 1
+T 14140 19140 5 10 1 1 0 8 1
 device=BSS84
-T 27200 21800 5 10 0 0 0 0 1
+T 13200 20200 5 10 0 0 0 0 1
 category=transistor
 }
-C 29700 21900 1 180 0 input-2.sym
+C 15700 20300 1 180 0 input-2.sym
 {
-T 29700 21700 5 10 0 0 180 0 1
-net=DISPLAY_POWER:1
-T 29100 21200 5 10 0 0 180 0 1
+T 15700 20100 5 10 0 0 180 0 1
+net=PERIPH_POWER:1
+T 15100 19600 5 10 0 0 180 0 1
 device=none
-T 29200 21800 5 10 1 1 180 7 1
-value=DISPLAY_POWER
+T 13700 20400 5 10 1 1 180 7 1
+value=PERIPH_POWER
 }
-C 28500 21000 1 0 0 generic-power.sym
+C 14500 19400 1 0 0 generic-power.sym
 {
-T 28700 21250 5 10 1 1 0 3 1
-net=VDISPLAY:1
+T 14700 19650 5 10 1 1 0 3 1
+net=VPERIPH:1
 }
-C 29900 20700 1 0 0 led-2.sym
+C 12900 20200 1 270 0 resistor-1.sym
 {
-T 30000 21300 5 10 0 0 0 0 1
-device=LED
-T 29900 20700 5 10 0 1 0 0 1
-footprint=LEDC1608X90N.lht
-T 30700 21000 5 10 1 1 0 0 1
-refdes=D1
-T 29900 20700 5 10 0 0 0 0 1
-category=display
-T 29900 20700 5 10 0 0 0 0 1
-description=LED
-}
-C 26900 21800 1 270 0 resistor-1.sym
-{
-T 27300 21500 5 10 0 0 270 0 1
+T 13300 19900 5 10 0 0 270 0 1
 device=RESISTOR
-T 26900 21800 5 10 0 1 0 0 1
+T 12900 20200 5 10 0 1 0 0 1
 footprint=RESC1608X55N.lht
-T 27400 21700 5 10 1 1 180 0 1
+T 13400 20100 5 10 1 1 180 0 1
 refdes=R5
-T 27500 21400 5 10 1 1 180 0 1
+T 13500 19800 5 10 1 1 180 0 1
 value=10k
-T 26900 21800 5 10 0 0 0 0 1
+T 12900 20200 5 10 0 0 0 0 1
 category=passive
 }
-C 29800 20900 1 180 0 resistor-1.sym
+N 14400 19200 14700 19200 4
+N 12500 19200 13200 19200 4
+N 13000 19300 13000 19200 4
+N 13000 20200 14300 20200 4
+C 12300 20000 1 0 0 3.3V-plus-1.sym
+N 12500 20000 12500 19200 4
+N 14700 19400 14700 19200 4
+C 22100 16700 1 0 0 LCM1602.sym
 {
-T 29500 20500 5 10 0 0 180 0 1
-device=RESISTOR
-T 29800 20900 5 10 0 1 0 0 1
-footprint=RESC1608X55N.lht
-T 29000 20500 5 10 1 1 0 0 1
-refdes=R6
-T 29500 20500 5 10 1 1 0 0 1
-value=1k5
-T 29800 20900 5 10 0 0 0 0 1
-category=passive
-}
-N 29900 20800 29800 20800 4
-C 30600 20500 1 0 0 ground.sym
-N 28400 20800 28900 20800 4
-N 26500 20800 27200 20800 4
-N 27000 20900 27000 20800 4
-N 27000 21800 28300 21800 4
-C 26300 21600 1 0 0 3.3V-plus-1.sym
-N 26500 21600 26500 20800 4
-N 28700 21000 28700 20800 4
-C 22800 16500 1 0 0 LCM1602.sym
-{
-T 23200 21760 5 10 1 1 0 0 1
+T 22500 21260 5 10 1 1 0 0 1
 refdes=J9
-T 24160 16840 5 10 1 1 0 2 1
+T 23660 17040 5 10 1 1 0 2 1
 device=LCM1602
-T 24600 21800 5 10 1 1 0 0 1
+T 24100 21200 5 10 1 1 0 0 1
 value=LCD
-T 22800 16500 5 10 0 0 0 0 1
+T 22100 16700 5 10 0 0 0 0 1
 lcsc-id=C83273
-T 22800 16500 5 10 0 0 0 0 1
-note=3V3 version
-T 22800 16500 5 10 0 0 0 0 1
+T 22100 16700 5 10 0 0 0 0 1
+note=3V3 version. has on-board 20 Ohm resistor for LED.
+T 22100 16700 5 10 0 0 0 0 1
 category=display
-T 22800 16500 5 10 0 0 0 0 1
+T 22100 16700 5 10 0 0 0 0 1
 aliexpress-id=32425471801
-T 22800 16500 5 10 0 0 0 0 1
+T 22100 16700 5 10 0 0 0 0 1
 lcsc-id=C83273
-T 22800 16500 5 8 0 0 0 0 1
+T 22100 16700 5 8 0 0 0 0 1
 footprint=DISPLAY_LCM1602.lht
 }
-C 28800 16800 1 0 0 OLED0.96.sym
+C 20700 20200 1 0 1 capacitor-1.sym
 {
-T 29600 17600 5 10 0 1 0 0 1
-note=has no on-board I²C pull-up resistors
-T 29200 18260 5 10 1 1 0 0 1
-refdes=U5
-T 29860 17140 5 10 1 1 0 2 1
-device=OLED0.96
-T 30000 18300 5 10 1 1 0 0 1
-value=OLED
-T 28800 16800 5 10 0 0 0 0 1
-category=display
-T 28800 16800 5 10 0 0 0 0 1
-aliexpress-id=32828449458
-T 28800 16800 5 8 0 0 0 0 1
-footprint=DISPLAY_OLED0.96.lht
-}
-C 17300 17300 1 0 0 I2C_LCD_ADAPTER.sym
-{
-T 17300 17300 5 10 0 0 0 0 1
-note=has on-board 4k7 pull-up resistors on I²C lines
-T 17800 21210 5 10 1 1 0 3 1
-refdes=U6
-T 19100 17460 5 10 1 1 180 5 1
-device=I2C_LCD_ADAPTER
-T 18300 21200 5 10 1 1 0 0 1
-value=I2C_LCD_BACKPACK
-T 17300 17300 5 10 0 0 0 0 1
-category=module
-T 17300 17300 5 10 0 0 0 0 1
-aliexpress-id=32984738230
-T 17300 17300 5 8 0 0 0 0 1
-footprint=DISPLAY_I2C_LCD_ADAPTER.lht
-}
-N 19400 20900 20200 20900 4
-N 20200 20900 20200 22800 4
-N 20200 22800 26000 22800 4
-N 26000 18900 26000 22800 4
-N 26000 18900 25400 18900 4
-N 19400 20700 20400 20700 4
-N 20400 20700 20400 22600 4
-N 20400 22600 25800 22600 4
-N 25800 22600 25800 19300 4
-N 25800 19300 25400 19300 4
-N 19400 20500 20400 20500 4
-N 20400 20500 20400 17300 4
-N 20400 17300 22800 17300 4
-N 19400 20300 20200 20300 4
-N 20200 20300 20200 17700 4
-N 20200 17700 22800 17700 4
-N 19400 20100 21600 20100 4
-N 21600 20100 21600 18100 4
-N 21600 18100 22800 18100 4
-N 19400 19900 21800 19900 4
-N 21800 19900 21800 18500 4
-N 21800 18500 22800 18500 4
-N 22000 18900 22800 18900 4
-N 19400 19500 22600 19500 4
-N 22600 19500 22600 19300 4
-N 22600 19300 22800 19300 4
-N 19400 19300 22400 19300 4
-N 22400 19300 22400 19700 4
-N 22400 19700 22800 19700 4
-N 19400 19100 22200 19100 4
-N 22200 19100 22200 20100 4
-N 22200 20100 22800 20100 4
-N 19400 19700 22000 19700 4
-N 22000 19700 22000 18900 4
-N 19400 18900 21400 18900 4
-N 21400 18900 21400 20500 4
-N 21400 20500 22800 20500 4
-N 19400 18700 21200 18700 4
-N 21200 18700 21200 20900 4
-N 21200 20900 22800 20900 4
-N 19400 18500 21000 18500 4
-N 21000 18500 21000 21300 4
-N 21000 21300 22800 21300 4
-N 19400 18300 20600 18300 4
-N 20600 18300 20600 22400 4
-N 20600 22400 25600 22400 4
-N 25600 22400 25600 19700 4
-N 25600 19700 25400 19700 4
-N 19400 18100 20800 18100 4
-N 20800 18100 20800 22200 4
-N 20800 22200 24100 22200 4
-N 24100 22200 24100 22100 4
-N 19400 17900 20000 17900 4
-N 20000 17900 20000 16500 4
-N 20000 16500 24100 16500 4
-C 29600 18600 1 0 0 generic-power.sym
-{
-T 29800 18850 5 10 1 1 0 3 1
-net=VDISPLAY:1
-}
-C 18000 21900 1 0 0 generic-power.sym
-{
-T 18200 22150 5 10 1 1 0 3 1
-net=VDISPLAY:1
-}
-C 29600 16500 1 0 0 ground.sym
-C 18000 17000 1 0 0 ground.sym
-C 31200 18400 1 0 1 capacitor-1.sym
-{
-T 31000 19100 5 10 0 0 180 2 1
+T 20500 20900 5 10 0 0 180 2 1
 device=CAPACITOR
-T 31000 19300 5 10 0 0 180 2 1
+T 20500 21100 5 10 0 0 180 2 1
 symversion=0.1
-T 31200 18400 5 10 0 1 0 0 1
+T 20700 20200 5 10 0 1 0 0 1
 footprint=CAPC1608X92N.lht
-T 30400 18800 5 10 1 1 0 0 1
-refdes=C7
-T 30900 18800 5 10 1 1 0 0 1
-value=1uF
-T 31200 18400 5 10 0 0 0 0 1
-category=passive
-}
-N 29800 18600 30300 18600 4
-C 31000 18300 1 0 0 ground.sym
-C 19600 21700 1 0 1 capacitor-1.sym
-{
-T 19400 22400 5 10 0 0 180 2 1
-device=CAPACITOR
-T 19400 22600 5 10 0 0 180 2 1
-symversion=0.1
-T 19600 21700 5 10 0 1 0 0 1
-footprint=CAPC1608X92N.lht
-T 18800 22100 5 10 1 1 0 0 1
+T 19900 20600 5 10 1 1 0 0 1
 refdes=C8
-T 19300 22100 5 10 1 1 0 0 1
+T 20400 20600 5 10 1 1 0 0 1
 value=1uF
-T 19600 21700 5 10 0 0 0 0 1
+T 20700 20200 5 10 0 0 0 0 1
 category=passive
 }
-N 18200 21900 18700 21900 4
-C 19400 21600 1 0 0 ground.sym
-C 26700 17700 1 0 0 input-2.sym
+C 20500 20100 1 0 0 ground.sym
+C 16700 19700 1 0 0 input-2.sym
 {
-T 26700 17900 5 10 0 0 0 0 1
+T 16700 19900 5 10 0 0 0 0 1
 net=I2C_SCL:1
-T 27300 18400 5 10 0 0 0 0 1
+T 17300 20400 5 10 0 0 0 0 1
 device=none
-T 27200 17800 5 10 1 1 0 7 1
+T 17200 19800 5 10 1 1 0 7 1
 value=I2C_SCL
 }
-C 28100 17700 1 180 0 io-1.sym
+C 18100 19700 1 180 0 io-1.sym
 {
-T 27200 17500 5 10 0 0 180 0 1
+T 17200 19500 5 10 0 0 180 0 1
 net=I2C_SDA:1
-T 27900 17100 5 10 0 0 180 0 1
+T 17900 19100 5 10 0 0 180 0 1
 device=none
-T 27200 17600 5 10 1 1 180 1 1
+T 17200 19600 5 10 1 1 180 1 1
 value=I2C_SDA
 }
-C 23900 16200 1 0 0 ground.sym
-N 28100 17600 28800 17600 4
-N 28100 17800 28800 17800 4
-C 28300 18100 1 90 0 resistor-1.sym
+N 18100 19600 18800 19600 4
+N 18100 19800 18800 19800 4
+C 18300 20100 1 90 0 resistor-1.sym
 {
-T 27900 18400 5 10 0 0 90 0 1
+T 17900 20400 5 10 0 0 90 0 1
 device=RESISTOR
-T 28300 18100 5 10 0 1 0 0 1
+T 18300 20100 5 10 0 1 0 0 1
 footprint=RESC1608X55N.lht
-T 28300 18100 5 10 0 1 0 0 1
+T 18300 20100 5 10 0 1 0 0 1
 note=only populate when I²C to LCD module with on-board pull-up resisotrs is not present
-T 28000 18700 5 10 1 1 0 6 1
+T 18000 20700 5 10 1 1 0 6 1
 refdes=R10
-T 28000 18400 5 10 1 1 0 6 1
+T 18000 20400 5 10 1 1 0 6 1
 value=1k5
-T 28300 18100 5 10 0 0 0 0 1
+T 18300 20100 5 10 0 0 0 0 1
 category=passive
 }
-C 28700 18100 1 90 0 resistor-1.sym
+C 18700 20100 1 90 0 resistor-1.sym
 {
-T 28300 18400 5 10 0 0 90 0 1
+T 18300 20400 5 10 0 0 90 0 1
 device=RESISTOR
-T 28700 18100 5 10 0 1 0 0 1
+T 18700 20100 5 10 0 1 0 0 1
 footprint=RESC1608X55N.lht
-T 28700 18100 5 10 0 1 0 0 1
+T 18700 20100 5 10 0 1 0 0 1
 note=only populate when I²C to LCD module with on-board pull-up resisotrs is not present
-T 28800 18700 5 10 1 1 0 0 1
+T 18800 20700 5 10 1 1 0 0 1
 refdes=R11
-T 28800 18400 5 10 1 1 0 0 1
+T 18800 20400 5 10 1 1 0 0 1
 value=1k5
-T 28700 18100 5 10 0 0 0 0 1
+T 18700 20100 5 10 0 0 0 0 1
 category=passive
 }
-C 28200 19200 1 0 0 generic-power.sym
-{
-T 28400 19450 5 10 1 1 0 3 1
-net=VDISPLAY:1
-}
-N 28400 19200 28400 19000 4
-N 28200 19000 28600 19000 4
-N 28200 18100 28200 17800 4
-N 28600 18100 28600 17600 4
+N 18400 21200 18400 21000 4
+N 18200 21000 18600 21000 4
+N 18200 20100 18200 19800 4
+N 18600 20100 18600 19600 4
 C 29700 11800 1 0 0 FCI_10117835.sym
 {
 T 29800 14710 5 10 1 1 0 3 1
@@ -3006,7 +2853,7 @@ T 12800 15600 6 14 1 0 0 0 1
 USB device connectors
 T 8300 22600 6 14 1 0 0 0 1
 POWER
-B 8000 16000 7500 7000 6 10 1 0 -1 -1 0 -1 -1 -1 -1 -1
+B 8000 16000 8000 7000 6 10 1 0 -1 -1 0 -1 -1 -1 -1 -1
 B 0 16000 4000 2500 6 10 1 0 -1 -1 0 -1 -1 -1 -1 -1
 B 4000 16000 4000 2500 6 10 1 0 -1 -1 0 -1 -1 -1 -1 -1
 C 31500 0 1 0 0 title.sym
@@ -3032,9 +2879,9 @@ footprint=none
 }
 T 300 15600 6 14 1 0 0 0 1
 MCU
-T 15800 22600 6 14 1 0 0 0 1
+T 16300 22600 6 14 1 0 0 0 1
 DISPLAY
-B 15500 16000 16000 7000 6 10 1 0 -1 -1 0 -1 -1 -1 -1 -1
+B 16000 16000 9000 7000 6 10 1 0 -1 -1 0 -1 -1 -1 -1 -1
 B 0 0 12400 16000 6 10 1 0 -1 -1 0 -1 -1 -1 -1 -1
 B 28500 1500 9000 14500 6 10 1 0 -1 -1 0 -1 -1 -1 -1 -1
 B 12400 0 16100 16000 6 10 1 0 -1 -1 0 -1 -1 -1 -1 -1
@@ -3182,25 +3029,6 @@ device=none
 T 9500 4200 5 10 1 1 180 7 1
 value=USB-C_DEVICE_DP2
 }
-C 17300 19700 1 180 0 io-1.sym
-{
-T 16400 19500 5 10 0 0 180 0 1
-net=I2C_SDA:1
-T 17100 19100 5 10 0 0 180 0 1
-device=none
-T 16400 19600 5 10 1 1 180 1 1
-value=I2C_SDA
-}
-C 15900 19100 1 0 0 input-2.sym
-{
-T 15900 19300 5 10 0 0 0 0 1
-net=I2C_SCL:1
-T 16500 19800 5 10 0 0 0 0 1
-device=none
-T 16400 19200 5 10 1 1 0 7 1
-value=I2C_SCL
-}
-N 18200 21900 18200 21500 4
 C 6200 17000 1 0 0 output-2.sym
 {
 T 7100 17200 5 10 0 0 0 0 1
@@ -3383,7 +3211,7 @@ C 10900 21800 1 0 0 generic-power.sym
 T 11100 22050 5 10 1 1 0 3 1
 net=VBAT:1
 }
-C 11900 21500 1 0 0 vcc-1.sym
+C 12300 22300 1 0 0 vcc-1.sym
 C 8300 21800 1 0 0 generic-power.sym
 {
 T 8500 22050 5 10 1 1 0 3 1
@@ -3477,11 +3305,6 @@ value=USBDP
 }
 N 6000 21000 6000 20000 4
 N 6900 20000 7100 20000 4
-C 6900 20000 1 0 0 generic-power.sym
-{
-T 7100 20250 5 10 1 1 0 3 1
-net=VDISPLAY:1
-}
 C 3000 20100 1 0 0 ground.sym
 C 4500 19700 1 0 0 ground.sym
 N 3000 22300 3600 22300 4
@@ -3490,3 +3313,128 @@ N 3600 22500 4700 22500 4
 N 3000 21000 3400 21000 4
 N 3000 21200 3400 21200 4
 N 3400 21200 3400 21400 4
+C 6900 20000 1 0 0 generic-power.sym
+{
+T 7100 20250 5 10 1 1 0 3 1
+net=VPERIPH:1
+}
+C 18200 21200 1 0 0 generic-power.sym
+{
+T 18400 21450 5 10 1 1 0 3 1
+net=VPERIPH:1
+}
+C 18800 17800 1 0 0 PCF8574.sym
+{
+T 18800 17800 5 8 0 0 0 0 1
+footprint=SOIC127P1030X265-16N.fp
+T 19200 20060 5 10 1 1 0 0 1
+refdes=U?
+T 19860 18140 5 10 1 1 0 2 1
+device=PCF8574
+T 19600 18800 5 10 0 1 0 0 1
+note=pins can sink in total 80 mA, enough to drive the LED
+}
+C 19600 20600 1 0 0 generic-power.sym
+{
+T 19800 20850 5 10 1 1 0 3 1
+net=VPERIPH:1
+}
+N 19800 20400 19800 20600 4
+C 18400 19100 1 0 0 nc-left-1.sym
+{
+T 18300 19500 5 10 0 0 0 0 1
+value=NoConnection
+T 18300 19900 5 10 0 0 0 0 1
+device=DRC_Directive
+T 18300 20300 5 10 0 0 0 0 1
+symversion=1.1
+}
+C 19600 17500 1 0 0 ground.sym
+C 18600 18100 1 0 0 ground.sym
+N 18800 18400 18800 18800 4
+N 20700 19800 21100 19800 4
+N 20700 19600 21300 19600 4
+N 20700 19400 21500 19400 4
+C 23300 21800 1 0 0 generic-power.sym
+{
+T 23500 22050 5 10 1 1 0 3 1
+net=VPERIPH:1
+}
+C 21500 21800 1 270 0 pot-bourns.sym
+{
+T 22400 21000 5 10 0 0 270 0 1
+device=VARIABLE_RESISTOR
+T 21800 21400 5 10 1 1 0 0 1
+refdes=R?
+T 21700 21000 5 10 1 1 0 0 1
+value=15k
+T 21600 21100 5 10 0 1 0 0 1
+alternative=10-20 kO
+}
+N 22100 21300 22100 20700 4
+N 23500 21800 23500 21500 4
+N 23500 21800 21600 21800 4
+C 23300 16400 1 0 0 ground.sym
+C 21400 20600 1 0 0 ground.sym
+N 21100 19800 21100 20300 4
+N 21100 20300 22100 20300 4
+N 21300 19600 21300 20100 4
+N 21300 20100 22100 20100 4
+N 21500 19400 21500 19900 4
+N 21500 19900 22100 19900 4
+C 21700 17700 1 0 0 generic-power.sym
+{
+T 21900 17950 5 10 1 1 0 3 1
+net=VPERIPH:1
+}
+N 21900 17700 22100 17700 4
+N 22100 17500 21500 17500 4
+N 21500 17500 21500 19200 4
+N 21500 19200 20700 19200 4
+N 20700 19000 21300 19000 4
+N 21300 19000 21300 18700 4
+N 21300 18700 22100 18700 4
+N 22100 18500 21100 18500 4
+N 21100 18500 21100 18800 4
+N 21100 18800 20700 18800 4
+N 22100 18300 20900 18300 4
+N 20900 18300 20900 18600 4
+N 20900 18600 20700 18600 4
+N 22100 18100 20700 18100 4
+N 20700 18100 20700 18400 4
+C 21700 19400 1 0 0 nc-left-1.sym
+{
+T 21600 19800 5 10 0 0 0 0 1
+value=NoConnection
+T 21600 20200 5 10 0 0 0 0 1
+device=DRC_Directive
+T 21600 20600 5 10 0 0 0 0 1
+symversion=1.1
+}
+C 21700 19200 1 0 0 nc-left-1.sym
+{
+T 21600 19600 5 10 0 0 0 0 1
+value=NoConnection
+T 21600 20000 5 10 0 0 0 0 1
+device=DRC_Directive
+T 21600 20400 5 10 0 0 0 0 1
+symversion=1.1
+}
+C 21700 19000 1 0 0 nc-left-1.sym
+{
+T 21600 19400 5 10 0 0 0 0 1
+value=NoConnection
+T 21600 19800 5 10 0 0 0 0 1
+device=DRC_Directive
+T 21600 20200 5 10 0 0 0 0 1
+symversion=1.1
+}
+C 21700 18800 1 0 0 nc-left-1.sym
+{
+T 21600 19200 5 10 0 0 0 0 1
+value=NoConnection
+T 21600 19600 5 10 0 0 0 0 1
+device=DRC_Directive
+T 21600 20000 5 10 0 0 0 0 1
+symversion=1.1
+}