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Board overview
Raspberry Pi 5
Raspberry Pi
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Simplified technical illustration. Pin data is source-backed; verify against the linked documentation before wiring.
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Mapped source · Raspberry Pi GPIO documentationOfficial- Physical pins 1 and 17 are 3.3 V; pins 2 and 4 are 5 V.
- GPIO0 and GPIO1 on pins 27 and 28 are reserved for HAT ID EEPROM use on most setups.
- GPIO pins are 3.3 V logic and are not 5 V tolerant.
All 40 pins
| # | Signal | Role | Net | Also / notes |
|---|---|---|---|---|
| 1 | Power | 3V3 | ||
| 3 | I2C | I2C1 | SDA1 | |
| 5 | I2C | I2C1 | SCL1 | |
| 7 | GPIO | GPCLK0 | ||
| 9 | Ground | GND | ||
| 11 | GPIO | |||
| 13 | GPIO | |||
| 15 | GPIO | |||
| 17 | Power | 3V3 | ||
| 19 | SPI | SPI0 | SPI0 MOSI | |
| 21 | SPI | SPI0 | SPI0 MISO | |
| 23 | SPI | SPI0 | SPI0 SCLK | |
| 25 | Ground | GND | ||
| 27 | Reserved | ID_SD | ||
| 29 | GPIO | |||
| 31 | GPIO | |||
| 33 | PWM | PWM1 | ||
| 35 | Alt | PCM FS | ||
| 37 | GPIO | |||
| 39 | Ground | GND | ||
| 2 | Power | 5V | ||
| 4 | Power | 5V | ||
| 6 | Ground | GND | ||
| 8 | UART | UART0 | TXD0 | |
| 10 | UART | UART0 | RXD0 | |
| 12 | PWM | PWM0 | ||
| 14 | Ground | GND | ||
| 16 | GPIO | |||
| 18 | GPIO | |||
| 20 | Ground | GND | ||
| 22 | GPIO | |||
| 24 | SPI | SPI0 | SPI0 CE0 | |
| 26 | SPI | SPI0 | SPI0 CE1 | |
| 28 | Reserved | ID_SC | ||
| 30 | Ground | GND | ||
| 32 | PWM | PWM0 | ||
| 34 | Ground | GND | ||
| 36 | GPIO | |||
| 38 | Alt | PCM DIN | ||
| 40 | Alt | PCM DOUT |