Interactive Raspberry Pi Pinout Common 40-pin GPIO header pinout for Raspberry Pi 1 Model B+, Pi 2, Pi 3, Pi 4, Pi 5, Zero, and Zero W. Click any header pin to inspect power, ground, BCM GPIO numbering, I2C, SPI, UART, PWM, PCM, and HAT EEPROM roles.Raspberry Pi 40-pin GPIO Header
Pi 1 B+ to Pi 5
Compatible boards
40 pins
Header
3.3V
GPIO logic
26 BCM pins
GPIO
8 pins
Ground
3.3V and 5V
Power rails
RASPBERRY PI 40-PIN GPIO
ODD Pins
EVEN Pins
BCM GPIO