Adafruit GPIO Reference Card for Raspberry Pi Pico

This handy GPIO reference card is your pocket-friendly guide for mastering the Raspberry Pi Pico. Featuring a full-color pin-out diagram, it's printed on durable card-stock for easy parsing of power, PWM, SPI, and Serial UART connections.

Designed for swift navigation, every pin use is clearly labeled for instant reference. On the reverse side, find a concise quick-start guide for loading CircuitPython onto your Pico and instructions for blinking the onboard LED.

All this functionality is conveniently packed into a 3" x 4" card, making it an essential companion for any Raspberry Pi Pico project.