Electronic hacker badge for the Critical Decentralization Cluster, featuring the TROPIC01 secure element with an ESP32-S3 microcontroller.
Meant to be used for workshops and prototyping. It can also be worn as a mobile badge. Features an e-paper display with frontlight, a JST connector for single-cell LiPo batteries and a 12-button keypad.
Designed with KiCad and released as open-hardware.
https://github.com/riatlabs/cdc-badge