An add-on board for the Watchy watch to turn it into a wearable CO₂ sensor (Sensirion SCD40 CO2) to maintain air quality awareness for COVID safety.

The Singularitron is a massive modular cyberwatch, equipped with flashlight, laser, IR thermometer, card modules etc.

Smartwatch consisting of hardware modules (EPS32-micro-D4, GC9A01 240x240 TFT display), 3D printable cases and a custom operating system.