Ir Detector


Posted on Jan 7, 2013

Useful for checking TV remote controls, IR-based alarm systems, and IR sources, this circuit causes LED1 to turn on for two sec


Ir Detector
Click here to download the full size of the above Circuit.

onds in the presence of IR light pulses. UlA acts as a voltage follower for detector Ql. CI and R2 form a differentiating network and U1B acts as an amplifier for the pulses, which charges C2. Voltage follower U1C samples the voltage on C2 and drives comparator U1D, which switches LED1 on or off.




Leave Comment

characters left:

New Circuits

.

 


Popular Circuits

Pierce-gate oscillator
Advanced Power Switcher
Water-Level Measurement Circuit
Trip Coil Of Circuit Breaker
Logochip Creative Works
colpitts oscillators
2Y-Y-2 - connection four-speed motor contactor control circuit



Top