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mycognosist 2020-05-14 15:09:53 +01:00
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src/hardware/gpio_pinout.md
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# GPIO Pinout
The OLED bonnet (with buttons) and DS138 RTC module are connected to the Pi via GPIO pins.
The OLED bonnet (with buttons) and DS1338 RTC module are connected to the Pi via GPIO pins.
```
3v3 Power - 1 // used by oled bonnet & rtc
BCM 2 (SDA) - 3 // used by oled bonnet & rtc
BCM 3 (SCL) - 5 // used by oled bonnet & rtc
Ground - 6 // used by oled bonnet & rtc
BCM 4 (joystick center) - 7 // used by oled bonnet
BCM 17 (joystick up) - 11 // used by oled bonnet
BCM 27 (joystick left) - 13 // used by oled bonnet
BCM 22 (joystick down) - 15 // used by oled bonnet
BCM 23 (joystick right) - 16 // used by oled bonnet
BCM 5 (button A) - 29 // used by oled bonnet
BCM 6 (button B) - 31 // used by oled bonnet
```
| BCM Pin # | Function | Physical Pin # | Used By |
| --- | --- | --- | --- |
| | 3v3 Power | 1 | OLED Bonnet & RTC |
| BCM 2 | SDA | 3 | OLED Bonnet & RTC |
| BCM 3 | SCL | 5 | OLED Bonnet & RTC |
| | Ground | 6 | OLED Bonnet & RTC |
| BCM 4 | Joystick Center | 7 | OLED Bonnet |
| BCM 17 | Joystick Up | 11 | OLED Bonnet |
| BCM 27 | Joystick Left | 13 | OLED Bonnet |
| BCM 22 | Joystick Down | 15 | OLED Bonnet |
| BCM 23 | Joystick Right | 16 | OLED Bonnet |
| BCM 5 | Button A | 29 | OLED Bonnet |
| BCM 6 | Button B | 31 | OLED Bonnet |