From 72830c5b1658cb3337384ca3a061b6ccb99e74d0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?King=20K=C3=A9vin?= <kingkevin@cuvoodoo.info>
Date: Tue, 4 Feb 2020 19:00:48 +0100
Subject: [PATCH] add part for CR2450 battery holder (though hole)

---
 connector/connector_battery_cr2450.yaml | 51 +++++++++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100644 connector/connector_battery_cr2450.yaml

diff --git a/connector/connector_battery_cr2450.yaml b/connector/connector_battery_cr2450.yaml
new file mode 100644
index 0000000..8e8607a
--- /dev/null
+++ b/connector/connector_battery_cr2450.yaml
@@ -0,0 +1,51 @@
+name: CR2450
+description: CR2450 coin cell battery holder, through hole
+datasheet: https://www.mouser.de/datasheet/2/215/053-745375.pdf
+# AliExpress: https://www.aliexpress.com/item/32339026573.html
+
+pinout:
+  BAT+: 1
+  BAT-: 2
+
+properties:
+  power: BAT+
+  ground: BAT-
+    
+schematic:
+  symbol: ic # connector makes weird stuff
+  top: BAT+
+  bottom: BAT- 
+  
+housing:
+  pattern: custom
+  bodyWidth: 29.35
+  bodyLength: 26.75
+  height: 9.50
+  silkscreen: M 14.675,-5.4 14.675,5.4 10.936,5.4 10.283,6.687 8.946,8.597 7.297,10.246 5.388,11.583 3.275,12.568 1.023,13.172 -1.3,13.375 -3.623,13.172 -5.875,12.568 -7.987,11.583 -9.897,10.246 -11.546,8.597 -12.883,6.687 -13.868,4.575 -14.472,2.323 -14.675,0.0 -14.472,-2.323 -13.868,-4.575 -12.883,-6.688 -11.546,-8.597 -9.897,-10.246 -7.988,-11.583 -5.875,-12.568 -3.623,-13.172 -1.3,-13.375 1.023,-13.172 3.275,-12.568 5.388,-11.583 7.297,-10.246 8.946,-8.597 10.283,-6.688 10.936,-5.4 14.675,-5.4 
+  holeDiameter: 1.3
+  padDiameter: 1.7
+  padPosition: 13.455, 0, -6.565, 0 # 29.35 / 2 - 1.22, 29.35 / 2 - 1.22 - 20.02
+
+# ruby script to draw form
+# START = Math.asin((10.80 / 2) / (26.75 / 2)) / (2 * Math::PI) * 360 # 23.81
+# ANGLE = 10
+# angles = []
+# angles << START
+# (360 / ANGLE).times do |i|
+#   angle = ANGLE * i
+#   next if angle < START or angle > 360 - START
+#   angles << angle
+# end
+# angles << 360 - START
+# DIA = 26.75
+# RADIUS = DIA / 2
+# OFFSET = 29.35 / 2 - RADIUS
+# 
+# print("M ")
+# print("#{29.35 / 2},#{10.80 / -2} ")
+# print("#{29.35 / 2},#{10.80 / 2} ")
+# angles.each do |angle|
+# print("#{(Math.cos(angle / 360.0 * 2 * Math::PI) * RADIUS - OFFSET).round(3)},#{(Math.sin(angle / 360.0 * 2 * Math::PI) * RADIUS).round(3)} ")
+# end
+# print("#{29.35 / 2},#{10.80 / -2} ")
+# puts