The H2HC 2016 Badge is a simple binary counter based on the nodeMCU. Using the ESP’s WiFi uplink it can easily be turned into an NTP clock.

H2HC 2016 Badge Front

Schematics

H2HC 2016 Badge Schematics

Images

H2HC 2016 Badge Front

H2HC 2016 Badge Back

H2HC 2016 Badge Layout

H2HC 2016 Badge Layout