The Ben Heck Show

TV Proximity Sensor (4x13)

Ημερομηνία προβολής: Ιαν 26, 2014

Ben takes on a viewer challenge to create a TV proximity sensor to keep kids from sitting too close to the screen and ruining their eyes. He builds a device that uses an infrared sensor to set off flashing LEDs and a piezo buzzer if kids move too closely to where it's mounted on the TV.