Raspberry Pi Expansion Port I/O Signals
Caution: Raspberry Pi I/O is 3.3Vdc. Applying 5Vdc to Rpi I/O will damage the Pi.
| Razberry Z-Wave |
Pi Alamode | Raspberry Pi A+, B Plus, Pi 2, Pi 3 & Zero I/O |
Raspberry Pi A & B I/O |
Pin # | Pin # | Raspberry Pi A & B I/O |
Raspberry Pi A+, B Plus, Pi 2, Pi 3 & Zero I/O |
Pi Alamode | Razberry Z-Wave |
|
| 3.3V | Rpi_3V3 | 3.3V | 3.3V | 1 | 2 | 5V | 5V | 5V (jumper on/off) | 5V | |
| I2C(1) SDA / GPIO 2 | SDA | I2C(1) SDA / GPIO 2 | I2C(1) SDA / GPIO 2 | 3 | 4 | 5V | 5V | N/U | N/U | |
| I2C(1) SCL / GPIO 3 | SCL | I2C(1) SCL / GPIO 3 | I2C(1) SCL | 5 | 6 | Gnd | Gnd | Gnd | Gnd | |
| GPIO 4 | N/U | GPIO 4 | GPIO 4 | 7 | 8 | GPIO 14 / UART TXD | GPIO 14 / UART TXD | TXD | N/U | |
| Gnd | N/U | Gnd | Gnd | 9 | 10 | GPIO 15 / UART RXD | GPIO 15 / UART RXD | RXD | N/U | |
| N/U | GPIO 17 | GPIO 17 | 11 | 12 | GPIO 18 | GPIO 18 | Reset | |||
| N/U | GPIO 27 | GPIO 27 | 13 | 14 | Gnd | Gnd | N/U | |||
| N/U | GPIO 22 | GPIO 22 | 15 | 16 | GPIO 23 | GPIO 23 | N/U | |||
| N/U | 3.3V | 3.3V | 17 | 18 | GPIO 24 | GPIO 24 | N/U | |||
| MOSI | SPI_MOSI / GPIO 10 | SPI_MOSI / GPIO 10 | 19 | 20 | Gnd | Gnd | N/U | |||
| MISO | SPI_MISO / GPIO 9 | SPI_MISO / GPIO 9 | 21 | 22 | GPIO 25 | GPIO 25 | N/U | |||
| SCK | SPI_SCLK / GPIO 11 | SPI_SCLK / GPIO 11 | 23 | 24 | GPIO 8 / SPI_CE0_N | GPIO 8 / SPI_CE0_N | N/U | |||
| N/U | Gnd | Gnd | 25 | 26 | GPIO 7 / SPI_CE1_N | GPIO 7 / SPI_CE1_N | N/U | |||
| ID SD | 27 | 28 | ID SC | |||||||
| GPIO 5 | 29 | 30 | Gnd | |||||||
| GPIO 6 | 31 | 32 | GPIO 12 | |||||||
| GPIO 13 | 33 | 34 | Gnd | |||||||
| MISO / GPIO 19 | 35 | 36 | GPIO 16 | |||||||
| GPIO 26 | 37 | 38 | GPIO 20 / MOSI | |||||||
| Gnd | 39 | 40 | GPIO 21 / SCLK |
Do not use Pin(s) 27 (ID SD) & 28 (ID SC). These are reserved for future Rpi Expansion Boards.