Eye-Fit: a simple prototype of light and reading distance keeper. It helps you to keep the ideal distance and light exposure while reading or watching a monitor. If your reading distance less than 20 cm, its buzzer will be turned on. Also, when you read a book at a dark room, its LEDs will be turned on automatically.
Eye-Fit: Light & Reading Distance Keeper
This is a simple prototype of light and reading distance keeper, built with Arduino Uno, ultrasonic HC-SR04, mini solar cell 0.5v, some LED.
EasyShowcase (no instructions)3 hours705