IO Expansion HAT for Raspberry Pi 5/4B/3B+
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Prices updated: 12 Oct 2026
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About this product
An expansion HAT that stacks onto the 40-pin GPIO header of Raspberry Pi 5, 4B and 3B+ to provide additional input and output connections for projects. It lets you add interfaces to the Pi without rewiring the main board directly.
Specifications
- Compatible boards
- Raspberry Pi 5, 4B, 3B+
- Connection
- Stacks on 40-pin GPIO header
- Form factor
- HAT expansion board
Frequently asked questions
Which Raspberry Pi models is it compatible with?
The listing states compatibility with the Raspberry Pi 5, 4B and 3B+. For other models, check the product documentation before connecting it.
How do I attach it safely?
Power off the Pi and disconnect its power supply before pushing the HAT onto the 40-pin header. Align the pins carefully so that no pins are bent and the HAT sits flat on the header.
