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A dual GPIO expander board for the Raspberry Pi Pico that duplicates all GPIO pins into two sets of 2×20 male headers. Plug your Pico into the centre female socket, then connect two expansion modules simultaneously — doubling your prototyping capability without rewiring.

Features clear pinout labels on the front side and an immersion gold finish for reliable connections and a polished look.

Key Features

  • Dual GPIO Breakout – Two sets of 2×20 male headers mirroring all Pico pins
  • Centre Female Socket – Direct attachment for Raspberry Pi Pico (with male headers soldered)
  • Clear Pinout Labels – Printed on the front for easy identification
  • Immersion Gold Finish – Durable, low-resistance contacts
  • Jumper Wire Compatible – Also usable without directly mounting the Pico

Ideal For

  • Connecting multiple Pico expansion boards at once
  • Prototyping and testing with simultaneous peripherals
  • IC and module testing on the Pico platform
Note: Ensure there are no pin conflicts between modules before connecting them simultaneously. Raspberry Pi Pico and expansion modules are not included.

Package Contents

  • 1× Pico Dual-Expander Board

The Pico - Dual-Expander IC Test Board appears in the following collections:

SKU WS-19343