Adaptive Design's Morse Code for GBoard Hardware Interface Pack

Build an accessible Morse code input device for Android with the Adaptive Design Morse Code for GBoard Hardware Interface Pack. Using Google's GBoard Morse code keyboard, this kit lets someone control a tablet or phone with just two buttons — no soldering required.

The included Circuit Playground Express connects directly to an Android device via USB OTG, drawing power from the phone or tablet. Alligator clips attach to the board's pads and connect to the micro switches, making this a quick and easy build for anyone. Program the board with CircuitPython to use switches or capacitive touch for Morse code input.

Key Features

• No Soldering Required – Alligator clips connect switches to Circuit Playground Express pads
• USB OTG Powered – No extra battery pack needed; powers directly from the Android device
• GBoard Morse Code Integration – Dots and dashes convert to letters and numbers on any Android device
• CircuitPython Programmable – Customise input method using switches or capacitive touch
• Complete Kit – Everything included to build the interface (Android device not included)

Ideal For

• Assistive technology and accessible input devices
• Morse code communication projects
• Classrooms and maker spaces exploring accessibility
• No-solder beginner electronics projects

Package Contents

• 1× Circuit Playground Express
• 1× USB OTG Cable (Micro-B to A)
• 1× USB A to Micro-B Cable
• 1× Small Alligator Clip Test Lead Set (12 pieces)
• 2× Micro Switches

Resources

• Adafruit Learn Guide – Morse Code GBoard with Circuit Playground Express