2 layers

LED Coaster
Olivermoberg98/LED-Coaster
Battery-powered RGB LED drink coaster: ESP32-C3 firmware, Android BLE app, KiCad PCB and 3D-printed enclosure
84 partsMIT
Open-source boards designed in KiCad by Olivermoberg98 on GitHub, from 1 repository. A board’s address here is its repository’s there.

Olivermoberg98/LED-Coaster
Battery-powered RGB LED drink coaster: ESP32-C3 firmware, Android BLE app, KiCad PCB and 3D-printed enclosure