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-rw-r--r--README.md4
1 files changed, 4 insertions, 0 deletions
diff --git a/README.md b/README.md
index 21906c0..e9751d3 100644
--- a/README.md
+++ b/README.md
@@ -53,6 +53,7 @@ connections
Connect the peripherals as described below.
HC-05 Bluetooth SPP module:
+
- STATE: no connect
- RX: no connect
- TX: USART3_RX/PB11
@@ -61,18 +62,21 @@ HC-05 Bluetooth SPP module:
- EN: no connect
button (momentary, with LED)
+
- +: 5V
- -: 470 Ohm resistor to PB12 (sometimes the resistor is already built in the button)
- S: GND
- S: NRST
7-segment display TM1637:
+
- GND: ground
- VCC: 5V
- DIO: PB13
- CLK: PB14
relay, connected to 2.5 mm TRS jack:
+
- tip, VCC: 5V
- ring, IN: PB15
- sleeve, GND: ground