Display 160x128 color TFT
Input 7 buttons
Sound 7mm buzzer
Interface Micro USB
Controller SAMD51 ARM Cortex M4
Battery 2xAAA 1.5V (not included, optional)

Open Development

This hardware is developed in the open, and all the designs and related materials are publicly available under a permissive license. You are free to inspect how it is build, build your own, improve and extend the design, and even sell your own versions.

The designs are available in the project’s repository.