EDU-TOY INFRARED LASER ALARM

SKU: EDU-TOY INFRARED LASER ALARM

BRAND: Communica


Infrared Laser Alarm Kit, When light is shining on the Photoresistor, the Triode is Turned Off. when Beam is Broken, and no Light on Photo Resistor, the Triode is Turned On, and Buzzer Activated

Overview

Features

  • Working principle: When no light is irradiated onto the photoresistor the triode is turned on, and the buzzer gets power and starts to chirp.
  • When light is shining on the photoresistor, the triode is turned off, the buzzer is powered off, and the tweet is stopped.
  • Here the triode is used as an electronic switch.

Specification