IO Expansion HAT for Raspberry Pi 5 / Zero / Zero W / 4B / 3B+

IO Expansion HAT for Raspberry Pi 5 / Zero / Zero W / 4B / 3B+ — DFRobot — DFR0604

Expansion HAT adding digital, analog, I2C, PWM, UART, and SPI breakout ports to compatible Raspberry Pi models via Gravity-style connectors. Supports multiple power supply options for peripheral flexibility.

Pinout

Logical pinout · physical placement not verified
IO EXPANSION HAT FOR RDigitalAnalogI2CPWMUARTSPI Gravity portsPower optionsRPi 40-pin HATGND
  • DigitalAnalogI2CPWMUARTSPI Gravity ports
    Type · PWM, UART, Signal
  • RPi 40-pin HAT
    Type · Signal
  • Power options
    Type · Power
  • GND
    Type · Ground

Start wiring

Shield

Confirm the data interface matches your host board.

Module pins: Power options, GND, Digital/Analog/I2C/PWM/UART/SPI Gravity ports, RPi 40-pin HAT. Schematik maps them to your board in the app.

Add-ons

269 other options

About 270 add-ons across Pi HATs, Arduino shields, and FeatherWings. The same function — motor control, PoE, display — usually ships once per host connector family. Get the host board right first.

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Related groups

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