IR_DETECTOR_CIRCUIT

Published:2009/6/19 4:13:00 Author:May | From:SeekIC

The circuit uses an IR phototransistor, Q1, to detect a remote control's IR output signal. A PNP transistor, Q2, then amplifies Q1's output and lights LED1. That indicates that an infrared signal has been detected by the phototransistor, or in other words, that your remote control works.



Reprinted Url Of This Article:
http://www.seekic.com/circuit_diagram/Measuring_and_Test_Circuit/IR_DETECTOR_CIRCUIT.html

Print this Page | Comments | Reading(3)