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Pico 4 Channel Expander

Pico 4 CH Expander is an I/O Expansion board for the Raspberry Pi Pico that allows you to increase your engagement by using the four GPIO ports allocated to the HAT or Shield. Pico 4 CH Expander is a GPIO extender with four sets of two x 20 pin headers for use with HATs or Breadboards. It consists of the onboard USB interfacing to provide power only to board and not for data transmission.


  • Standard Raspberry Pi Pico connectivity
  • 4 sets of 2 x 20 Pin Male Headers
  • Compatible with Raspberry Pi Pico
  • Descriptive Pin labels
  • Onboard USB power port


  • Connector for HAT - Male Header Pins
  • Compatibility - Any Raspberry Pi Pico HAT/Shield
Pico 4CH Expander
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  • Take Raspberry Pi Pico 4 CH Expander.
Pico 4ch exp ins1.png
  • Stack Raspberry Pi Pico on 40 pins female header of Raspberry Pi Pico 4 CH Expander as shown in picture below.

Pico 4ch exp ins2.png

  • Now you can connect any Pico compatible HAT’s or peripherals or breadboard circuits with the Raspberry Pi Pico 4 CH Expander. You can supply power to the expander via the onboard USB Input port.

Pico 4ch exp ins3.png

Note: In the case of utilization of HAT, the USB mark of the HAT should be aligned with the Pico 4 CH Expander.