esp32-keynotes-controller An ESP32 based BLE Keynote remote controller. Also known as KeyLight. Appearance View in 3D BOM 3D Printed case and parts ESP32 Devkit v1 x 1 3.7v LiPo Battery x 1 TP4056 LiPo Battery Charger Module x 1 Switch x 1 12 x 12 Buttons x 3 Laser Emitter x 1 (optional)