J8 pin out reference for raspberry pi and maybe others
SD card slot up
| # | name | name |
|---|---|---|
| 01 | 3.3v | 5v |
| 02 | GPIO2 | 5v |
| 03 | GPIO3 | GND |
| 04 | GPIO4 | GPIO14 |
| 05 | GND | GPIO15 |
| 06 | GPIO17 | GPIO18 |
| 07 | GPIO27 | GND |
| 08 | GPIO22 | GPIO23 |
| 09 | 3.3v | GPIO24 |
| 10 | GPIO10 | GND |
| 11 | GPIO9 | GPIO25 |
| 12 | GPIO11 | GPIO8 |
| 13 | GND | GPIO7 |
| 14 | GPIO0 | GPIO1 |
| 15 | GPIO5 | GND |
| 16 | GPIO6 | GPIO12 |
| 17 | GPIO13 | GND |
| 18 | GPIO19 | GPIO16 |
| 19 | GPIO26 | GPIO20 |
| 20 | GND | GPIO21 |
Pin numbers from gpioinfo
SD card slot up
| # | name | name | gpio pin | gpio pin |
|---|---|---|---|---|
| 01 | 3.3v | 5v | - | - |
| 02 | GPIO2 | 5v | 2 | - |
| 03 | GPIO3 | GND | 3 | - |
| 04 | GPIO4 | GPIO14 | 4 | 14 |
| 05 | GND | GPIO15 | - | 15 |
| 06 | GPIO17 | GPIO18 | 17 | 18 |
| 07 | GPIO27 | GND | 27 | - |
| 08 | GPIO22 | GPIO23 | 22 | 23 |
| 09 | 3.3v | GPIO24 | - | 24 |
| 10 | GPIO10 | GND | 10 | - |
| 11 | GPIO9 | GPIO25 | 9 | 25 |
| 12 | GPIO11 | GPIO8 | 11 | 8 |
| 13 | GND | GPIO7 | - | 7 |
| 14 | ID_SDA | ID_SCL | 0 | 1 |
| 15 | GPIO5 | GND | 5 | - |
| 16 | GPIO6 | GPIO12 | 6 | 12 |
| 17 | GPIO13 | GND | 13 | - |
| 18 | GPIO19 | GPIO16 | 19 | 16 |
| 19 | GPIO26 | GPIO20 | 26 | 20 |
| 20 | GND | GPIO21 | - | 21 |