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A Gravity-compatible expansion board for the Raspberry Pi Pico, breaking out all GPIO pins to labelled female headers and Gravity-standard 3-pin connectors. ...

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A Gravity-compatible expansion board for the Raspberry Pi Pico, breaking out all GPIO pins to labelled female headers and Gravity-standard 3-pin connectors. Provides plug-and-play access to 13 digital I/O, 3 analogue I/O, 2× I²C, 2× UART, and 2× SPI ports — no soldering required.

Also includes a PH2.0 power connector (3.3–5.5V) for battery-powered projects and a GDI port for compatible DFRobot displays.

Key Features

  • Gravity Compatible – Plug in DFRobot Gravity sensors and modules directly
  • All Pins Broken Out – Female headers for every Pico GPIO pin
  • No Soldering Required – Plug-and-play with the Raspberry Pi Pico
  • Multiple Interfaces – 2× I²C, 2× UART, 2× SPI, 13× digital I/O, 3× analogue I/O
  • External Power – PH2.0 connector accepts 3.3–5.5V for portable projects
  • GDI Display Port – Compatible with DFRobot GDI series displays

Specifications

  • Digital I/O: 13 (GP2–GP22)
  • Analogue I/O: 3 (GP26–GP28)
  • UART: 2
  • I²C: 2
  • SPI: 2
  • Power Connector: PH2.0, 3.3–5.5V
  • Display Interface: GDI
  • Dimensions: 73 × 63mm

Package Contents

  • 1× Gravity Expansion Board for Raspberry Pi Pico
Warning: The pin mapping for the Digital and Analogue headers on the left side of the board is reversed. GP2–GP22 on the green pins map to GP22–GP2 on the Pico, and GP26–GP28 on the blue pins map to GP28–GP26 on the Pico. Check the silkscreen labels carefully when wiring.
Note: Raspberry Pi Pico is sold separately.

Resources

Jargon buster

Plain-language definitions for the technical terms used above.

GPIO
General-purpose input/output pins are microcontroller pins you can set in software to read signals, switch devices on and off, or connect to peripherals. The number of GPIO pins matters because it limits how many buttons, LEDs, sensors, and other parts you can wire directly to the board.
Gravity
Gravity is DFRobot’s plug-in connector system for sensors, motors and modules, using standard cables to reduce loose jumper wiring. It matters because Gravity-compatible parts can connect directly to these ports, while non-Gravity parts may need adapters or manual wiring.
Headers
Rows of metal pins used to plug a module into a breadboard or connect it with jumper wires. Pre-soldered headers make the module easier to use straight away without needing to solder the pins yourself.
SPI
A fast serial communication bus often used for displays, memory cards, and sensors. It matters because SPI devices need specific pins for clock and data, plus a separate chip-select line for each device.
UART
UART is a simple serial connection that sends data over separate transmit and receive wires, often labelled TX and RX. It matters because this module is designed to replace a wired UART cable with a wireless link while keeping the same serial data format.

Raspberry Pi Pico Getting Started Guide

Quick Start · 16.3 MB · Click any page to view full size

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Supplier page — dfrobot.com

Supplier Description · 794.0 KB · Click any page to view full size

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