Make a Big LED clock with arduino and RTC module to make it as a Real Time Clock.
PID control system of a light meter that measures and regulates the lighting of a lamp.
Battery Charger of a "Night Light Control" by Using a PID Controller and PWM Signal
GLO is an IoT smart light, developed using ESP8266 and Cayenne IoT platform.
Concept with prototype for home automation that can be expanded to professional grade and production ready.
LED indicators to show Dark or Light Level