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| Description | PIN | Description | |
|---|---|---|---|
| Battery Voltage | 0 | 1 | Battery Voltage |
| GND | 2 | 3 | GND |
| 5v | 4 | 5 | 5v |
| GND | 6 | 7 | GND |
| 3v3 | 8 | 9 | 3v3 |
| GND | 10 | 11 | GND |
| TX+ | 12 | 13 | TX- |
| RX+ | 14 | 15 | RX- |
| ADDR 0 (LSB) | 16 | 17 | ADDR 1 |
| ADDR 2 | 18 | 19 | ADDR 3 (MSB) |
| LED 0 | 20 | 21 | LED 1 |
| GPIO 0 | 22 | 23 | GPIO 1 |
| GPIO 2 | 24 | 25 | GPIO 3 |
| GPIO 4 | 26 | 27 | GPIO 5 |
| GPIO 6 | 28 | 29 | GPIO 7 |
1-2 : battery voltage
3-4 : GND
5-6 : 5v
7-8 : GND
9-10 : 3v3
11-12 : GND
13-14 : TX+ / TX-
15-16 : RX+ / RX-
17-18 : LED 0 / LED 1
19-20 : ADDR 0 / ADDR 1
21-22 : ADDR 2 / ADDR 3 (MSB)
23-24 : GPIO 0 / GPIO 1
25-26 : GPIO 2 / GPIO 3
27-28 : GPIO 4 / GPIO 5
29-30 : GPIO 6 / GPIO 7