Adafruit
Adafruit CYBERDECK HAT for Raspberry Pi 400
The Adafruit CYBERDECK HAT is a GPIO extender for the Raspberry Pi 400 that lets you plug full-size HAT displays and add-on boards into the back of the Pi 40...
The Adafruit CYBERDECK HAT is a GPIO extender for the Raspberry Pi 400 that lets you plug full-size HAT displays and add-on boards into the back of the Pi 400 at a convenient angle. It duplicates every GPIO pin from input to output, so your HATs work without any pin limitations.
In addition to the full GPIO passthrough, the HAT includes STEMMA and STEMMA QT connectors for adding NeoPixels, servos, or I2C sensors without soldering.
Key Features
- Full GPIO Passthrough – Every pin duplicated from the Pi 400's header to the HAT output
- Angled Socket Header – Positions full-size HATs at a convenient angle on the Pi 400
- STEMMA Connectors – For NeoPixels, servos, or other peripherals
- STEMMA QT / Qwiic Ports – I2C connectors for sensors and displays
- Fully Assembled – Pre-assembled and tested, just plug in
Also Available
- CYBERDECK Bonnet for Raspberry Pi 400 – For smaller bonnet/pHAT-sized displays
Recommended Displays
- PiTFT displays (2.2" to 3.5")
- HyperPixel 4.0" displays
- Inky wHAT e-paper displays
Compatibility
- Designed for Raspberry Pi 400
- Works with any full-size HAT that uses the standard 2×20 GPIO header
Ideal For
- Building cyberdeck-style projects with a touchscreen display
- Adding a heads-up display to the Pi 400
- Connecting STEMMA QT sensors to the Pi 400
Package Contents
- 1× Adafruit CYBERDECK HAT for Raspberry Pi 400 (fully assembled)
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.
- Qwiic
- Qwiic is a plug-in connector system for I2C devices that uses small 4-pin cables, so you can connect compatible sensors without soldering. It matters because your controller or adapter also needs Qwiic, or you will need a cable or breakout to wire it up.
- STEMMA
- A plug-and-cable connection system used on some maker electronics boards to make wiring simpler. If a product uses STEMMA, you need the matching cable or connector type to plug it in without soldering.
- STEMMA QT
- A small plug-in connector system for I2C boards that lets you connect compatible sensors and controllers without soldering. It matters because it can make wiring faster and less error-prone, especially when adding several small modules to a project.
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