############
Raspberry Pi
############

The GPIO module supports all Raspberry Pi models up to the 4B, but not all models
have been tested. If you encounter any problems or errors, please open a new issue
and post your logs.


Raspberry Pi 40-pin
===================

This pinout applies to the B+, A+, 2B, Zero, ZeroW, 3B, 3B+, and 3A+ models.

.. rst-class:: pinout

+----------+-----+-------+--------+-----+-----+----------+-------+-----+----------+
| WiringPi | SoC | Board |     Raspberry Pi 40-pin       | Board | SoC | WiringPi |
+==========+=====+=======+========+=====+=====+==========+=======+=====+==========+
|          |     |       | 3.3V   | 1   | 2   | 5V       |       |     |          |
+----------+-----+-------+--------+-----+-----+----------+-------+-----+----------+
| 8        | 2   | 3     | SDA1   | 3   | 4   | 5V       |       |     |          |
+----------+-----+-------+--------+-----+-----+----------+-------+-----+----------+
| 9        | 3   | 5     | SCL1   | 5   | 6   | Ground   |       |     |          |
+----------+-----+-------+--------+-----+-----+----------+-------+-----+----------+
| 7        | 4   | 7     | GPCLK0 | 7   | 8   | TXD0     | 8     | 14  | 15       |
+----------+-----+-------+--------+-----+-----+----------+-------+-----+----------+
|          |     |       | Ground | 9   | 10  | RXD0     | 10    | 15  | 16       |
+----------+-----+-------+--------+-----+-----+----------+-------+-----+----------+
| 0        | 17  | 11    |        | 11  | 12  | PWM0     | 12    | 18  | 1        |
+----------+-----+-------+--------+-----+-----+----------+-------+-----+----------+
| 2        | 27  | 13    |        | 13  | 14  | Ground   |       |     |          |
+----------+-----+-------+--------+-----+-----+----------+-------+-----+----------+
| 3        | 22  | 15    |        | 15  | 16  |          | 16    | 23  | 4        |
+----------+-----+-------+--------+-----+-----+----------+-------+-----+----------+
|          |     |       | 3.3V   | 17  | 18  |          | 18    | 24  | 5        |
+----------+-----+-------+--------+-----+-----+----------+-------+-----+----------+
| 12       | 10  | 19    | MOSI0  | 19  | 20  | Ground   |       |     |          |
+----------+-----+-------+--------+-----+-----+----------+-------+-----+----------+
| 13       | 9   | 21    | MISO0  | 21  | 22  |          | 22    | 25  | 6        |
+----------+-----+-------+--------+-----+-----+----------+-------+-----+----------+
| 14       | 11  | 23    | SCLK0  | 23  | 24  | CS00     | 24    | 8   | 10       |
+----------+-----+-------+--------+-----+-----+----------+-------+-----+----------+
|          |     |       | Ground | 25  | 26  | CS01     | 26    | 7   | 11       |
+----------+-----+-------+--------+-----+-----+----------+-------+-----+----------+
| 30       | 0   | 27    | SDA0   | 27  | 28  | SCL0     | 28    | 1   | 31       |
+----------+-----+-------+--------+-----+-----+----------+-------+-----+----------+
| 21       | 5   | 29    |        | 29  | 30  | Ground   |       |     |          |
+----------+-----+-------+--------+-----+-----+----------+-------+-----+----------+
| 22       | 6   | 31    |        | 31  | 32  | PWM0     | 32    | 12  | 26       |
+----------+-----+-------+--------+-----+-----+----------+-------+-----+----------+
| 23       | 13  | 33    | PWM1   | 33  | 34  | Ground   |       |     |          |
+----------+-----+-------+--------+-----+-----+----------+-------+-----+----------+
| 24       | 19  | 35    | MISO1  | 35  | 36  | CS10     | 36    | 16  | 27       |
+----------+-----+-------+--------+-----+-----+----------+-------+-----+----------+
| 25       | 26  | 37    |        | 37  | 38  | MOSI1    | 38    | 20  | 28       |
+----------+-----+-------+--------+-----+-----+----------+-------+-----+----------+
|          |     |       | Ground | 39  | 40  | SCLK1    | 40    | 21  | 29       |
+----------+-----+-------+--------+-----+-----+----------+-------+-----+----------+


Raspberry Pi 26-pin Revision 2
==============================

This pinout applies to the B rev2, and A models.

.. rst-class:: pinout

+----------+-----+-------+--------+-----+-----+--------+-------+-----+----------+
| WiringPi | SoC | Board |   Raspberry Pi 26-pin Rev2  | Board | SoC | WiringPi |
+==========+=====+=======+========+=====+=====+========+=======+=====+==========+
|          |     |       | 3.3V   | 1   | 2   | 5V     |       |     |          |
+----------+-----+-------+--------+-----+-----+--------+-------+-----+----------+
| 8        | 2   | 3     | SDA1   | 3   | 4   | 5V     |       |     |          |
+----------+-----+-------+--------+-----+-----+--------+-------+-----+----------+
| 9        | 3   | 5     | SCL1   | 5   | 6   | Ground |       |     |          |
+----------+-----+-------+--------+-----+-----+--------+-------+-----+----------+
| 7        | 4   | 7     | GPCLK0 | 7   | 8   | TXD0   | 8     | 14  | 15       |
+----------+-----+-------+--------+-----+-----+--------+-------+-----+----------+
|          |     |       | Ground | 9   | 10  | RXD0   | 10    | 15  | 16       |
+----------+-----+-------+--------+-----+-----+--------+-------+-----+----------+
| 0        | 17  | 11    |        | 11  | 12  | PWM0   | 12    | 18  | 1        |
+----------+-----+-------+--------+-----+-----+--------+-------+-----+----------+
| 2        | 27  | 13    |        | 13  | 14  | Ground |       |     |          |
+----------+-----+-------+--------+-----+-----+--------+-------+-----+----------+
| 3        | 22  | 15    |        | 15  | 16  |        | 16    | 23  | 4        |
+----------+-----+-------+--------+-----+-----+--------+-------+-----+----------+
|          |     |       | 3.3V   | 17  | 18  |        | 18    | 24  | 5        |
+----------+-----+-------+--------+-----+-----+--------+-------+-----+----------+
| 12       | 10  | 19    | MOSI0  | 19  | 20  | Ground |       |     |          |
+----------+-----+-------+--------+-----+-----+--------+-------+-----+----------+
| 13       | 9   | 21    | MISO0  | 21  | 22  |        | 22    | 25  | 6        |
+----------+-----+-------+--------+-----+-----+--------+-------+-----+----------+
| 14       | 11  | 23    | SCLK0  | 23  | 24  | CS00   | 24    | 8   | 10       |
+----------+-----+-------+--------+-----+-----+--------+-------+-----+----------+
|          |     |       | Ground | 25  | 26  | CS01   | 26    | 7   | 11       |
+----------+-----+-------+--------+-----+-----+--------+-------+-----+----------+


Raspberry Pi 26-pin Revision 1
==============================

This pinout applies to the B-rev1 model.

.. rst-class:: pinout

+----------+-----+-------+--------+-----+-----+--------+-------+-----+----------+
| WiringPi | SoC | Board |   Raspberry Pi 26-pin Rev1  | Board | SoC | WiringPi |
+==========+=====+=======+========+=====+=====+========+=======+=====+==========+
|          |     |       | 3.3V   | 1   | 2   | 5V     |       |     |          |
+----------+-----+-------+--------+-----+-----+--------+-------+-----+----------+
| 8        | 0   | 3     | SDA0   | 3   | 4   | 5V     |       |     |          |
+----------+-----+-------+--------+-----+-----+--------+-------+-----+----------+
| 9        | 1   | 5     | SCL0   | 5   | 6   | Ground |       |     |          |
+----------+-----+-------+--------+-----+-----+--------+-------+-----+----------+
| 7        | 4   | 7     | GPCLK0 | 7   | 8   | TXD0   | 8     | 14  | 15       |
+----------+-----+-------+--------+-----+-----+--------+-------+-----+----------+
|          |     |       | Ground | 9   | 10  | RXD0   | 10    | 15  | 16       |
+----------+-----+-------+--------+-----+-----+--------+-------+-----+----------+
| 0        | 17  | 11    |        | 11  | 12  | PWM0   | 12    | 18  | 1        |
+----------+-----+-------+--------+-----+-----+--------+-------+-----+----------+
| 2        | 21  | 13    |        | 13  | 14  | Ground |       |     |          |
+----------+-----+-------+--------+-----+-----+--------+-------+-----+----------+
| 3        | 22  | 15    |        | 15  | 16  |        | 16    | 23  | 4        |
+----------+-----+-------+--------+-----+-----+--------+-------+-----+----------+
|          |     |       | 3.3V   | 17  | 18  |        | 18    | 24  | 5        |
+----------+-----+-------+--------+-----+-----+--------+-------+-----+----------+
| 12       | 10  | 19    | MOSI0  | 19  | 20  | Ground |       |     |          |
+----------+-----+-------+--------+-----+-----+--------+-------+-----+----------+
| 13       | 9   | 21    | MISO0  | 21  | 22  |        | 22    | 25  | 6        |
+----------+-----+-------+--------+-----+-----+--------+-------+-----+----------+
| 14       | 11  | 23    | SCLK0  | 23  | 24  | CS00   | 24    | 8   | 10       |
+----------+-----+-------+--------+-----+-----+--------+-------+-----+----------+
|          |     |       | Ground | 25  | 26  | CS01   | 26    | 7   | 11       |
+----------+-----+-------+--------+-----+-----+--------+-------+-----+----------+