25-08-2017, 09:32 PM
Infrared Remote Control
The transmitter circuit includes IR LED, 2N2222 NPN Silicon Transistor , 2N2907 PNP Silicon Transistor.When the switch S1 presses LED emits IR light. The receiver part mainly consists of LM308 Op Amp IC , LM567 Tone Decoder, and NPN Phototransistor and a relay.
http://www.http://pptpdf.net//?path=/Project%20Reports/Electrical-Electronics-Apllied_Electronics-Instrumentation/project%20list1