Pimoroni
2x20 pin Female GPIO Header for Raspberry Pi 3/2/B+/A+ - 3mm
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This 2×20 pin female GPIO header with 3 mm pins is designed for Raspberry Pi boards with 40-pin GPIO headers. The short pin height keeps a low profile while ...
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This 2×20 pin female GPIO header with 3 mm pins is designed for Raspberry Pi boards with 40-pin GPIO headers. The short pin height keeps a low profile while still allowing access to the GPIO pins when used with pHAT or HAT boards.
Key Features
- 40-Pin (2×20) – Matches the Raspberry Pi 40-pin GPIO layout
- 3 mm Pins – Low-profile design for compact builds
- 2.54 mm Pitch – Standard 0.1″ pin spacing
Compatibility
- Raspberry Pi 5, 4, 3, 2, B+, A+
- Raspberry Pi Zero / Zero W / Zero 2 W
- Any board with a 40-pin GPIO header
Ideal For
- Adding GPIO access to pHAT and HAT boards
- Low-profile Raspberry Pi builds
- Projects where vertical clearance is limited
Package Contents
- 1× 2×20 pin female GPIO header (3 mm)
Tip: Need taller pins for stacking? See the 11 mm version of this header.
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.
- 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.
- pHAT
- A smaller add-on board format for Raspberry Pi, similar in idea to a HAT but usually not full-sized. It matters because pHAT compatibility can affect how neatly a board stacks or fits into a Raspberry Pi project.
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