Adafruit
40 Pin GPIO Extension Cable for any 2x20 Pin Raspberry Pi - 150mm / 6 long
A 150mm (6″) GPIO extension cable for Raspberry Pi models with a 2×20 pin header. Extends all 40 GPIO pins between your Pi and a HAT, Bonnet, pHAT, or other ...
A 150mm (6″) GPIO extension cable for Raspberry Pi models with a 2×20 pin header. Extends all 40 GPIO pins between your Pi and a HAT, Bonnet, pHAT, or other accessory, allowing you to mount add-ons away from the board.
Plug the socket end onto the Raspberry Pi's GPIO header (white mark aligned with Pin 1), then plug your HAT or Bonnet down onto the male plug end. Particularly useful with the Raspberry Pi 400 keyboard computer, enclosed Pi builds, or any setup where direct HAT mounting isn't practical.
Key Features
- 150mm (6″) Extension – Provides clearance between the Pi and accessories
- 2×20 Pin (40-Pin) – Extends all GPIO, I2C, SPI, power, and ground pins
- Socket-to-Plug – Female socket on one end, male plug on the other
- Pin 1 Indicator – White mark for correct orientation
Specifications
- Connector – 2×20 (40-pin) IDC
- Pitch – 2.54mm (0.1″)
- Cable Length – 150mm (6″)
Compatibility
- Raspberry Pi Model A+, B+, 2, 3, 4, 5, Zero, Zero W, Zero 2 W, 400
- Any board with a 2×20 GPIO header
Ideal For
- Raspberry Pi 400 HAT and Bonnet connections
- Enclosed Pi builds requiring external GPIO access
- Mounting HATs away from the Pi for clearance
Package Contents
- 1× 40-Pin GPIO Extension Cable (150mm)
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.
- I2C
- I2C is a two-wire communication bus used by many sensors and small modules. It matters because several I2C devices can share the same two wires, but each device needs a compatible address and your controller must support I2C.
- 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.
- SPI
- A fast serial communication bus often used for displays, memory cards, and sensors. It matters because SPI devices need specific pins for clock and data, plus a separate chip-select line for each device.
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