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Pin Definitions
board dimension == 85.6 x 56.5 mm
Version 1 from MPC1111-dat
The Raspberry Pi 3 has 26 available GPIO pins on its 40-pin header. Some pins are reserved for power, ground, and special functions, but 26 can be used as general-purpose input/output (GPIO).
| usage | Physical Pin | GPIO Number | setup | usage | Physical Pin | GPIO Number | setup |
|---|---|---|---|---|---|---|---|
| x | 1 | 3.3V | x | 2 | 5V | ||
| 3 | GPIO2 | x | 4 | 5V | |||
| 5 | GPIO3 | x | 6 | GND | |||
| 7 | GPIO4 | 8 | GPIO14 | ||||
| x | 9 | GND | 10 | GPIO15 | |||
| 11 | GPIO17 | 12 | GPIO18 | ||||
| 13 | GPIO27 | x | 14 | GND | |||
| 15 | GPIO22 | 16 | GPIO23 | ||||
| x | 17 | 3.3V ??? | 18 | GPIO24 | |||
| 19 | GPIO10 | x | 20 | GND | |||
| 21 | GPIO9 | 22 | GPIO25 | ||||
| 23 | GPIO11 | 24 | GPIO8 | ||||
| x | 25 | GND | 26 | GPIO7 | |||
| 27 | ID_SD | 28 | ID_SC | ||||
| 29 | GPIO5 | x | 30 | GND | |||
| 31 | GPIO6 | 32 | GPIO12 | ||||
| 33 | GPIO13 | x | 34 | GND | |||
| 35 | GPIO19 | 36 | GPIO16 | ||||
| 37 | GPIO26 | 38 | GPIO20 | ||||
| x | 39 | GND | 40 | GPIO21 |
| usage | Physical Pin | GPIO Number | setup |
|---|---|---|---|
| x | 1 | 3.3V | |
| x | 2 | 5V | |
| 3 | GPIO2 | ||
| x | 4 | 5V | |
| 5 | GPIO3 | ||
| x | 6 | GND | |
| 7 | GPIO4 | ||
| 8 | GPIO14 | ||
| x | 9 | GND | |
| 10 | GPIO15 | ||
| 11 | GPIO17 | ||
| 12 | GPIO18 | ||
| 13 | GPIO27 | ||
| x | 14 | GND | |
| 15 | GPIO22 | ||
| 16 | GPIO23 | ||
| x | 17 | 3.3V ??? | |
| 18 | GPIO24 | ||
| 19 | GPIO10 | ||
| x | 20 | GND | |
| 21 | GPIO9 | ||
| 22 | GPIO25 | ||
| 23 | GPIO11 | ||
| 24 | GPIO8 | ||
| x | 25 | GND | |
| 26 | GPIO7 | ||
| 27 | ID_SD | ||
| 28 | ID_SC | ||
| 29 | GPIO5 | ||
| x | 30 | GND | |
| 31 | GPIO6 | ||
| 32 | GPIO12 | ||
| 33 | GPIO13 | ||
| x | 34 | GND | |
| 35 | GPIO19 | ||
| 36 | GPIO16 | ||
| 37 | GPIO26 | ||
| 38 | GPIO20 | ||
| x | 39 | GND | |
| 40 | GPIO21 |
CAD version
STL or solidworks - https://grabcad.com/library/raspberry-pi-3-reference-design-model-b-rpi-raspberrypi-raspberry-pi-1
mechanical drawings - https://www.raspberrypi.com/documentation/computers/raspberry-pi.html#raspberry-pi-3-model-b