Infrared circuits - related electronic projects and circuit diagrams (schematics), this helps you finding desired informations and facilitates your site navigation through all articles database. In every website page you will find a special section (at the beginning or the end) with tags just like this and also different tags associated with the current article. Tags inter-links stories with related Infrared articles.
This is an Infrared beam breaking alarm ideal to use in entry or passages.It is based on the working of the popular IR sensor Module TSOP 1738 which senses 38 kHz Infrared pulses from the IR LED of the transmitter. Range of the circuit is about 5 meters if the transmitter and receiver are properly aligned
lm311
This circuit can do the job of a Gatekeeper and intimates you if someone passes through the gate. The alarm can be an AC bell or a Lamp. The alarm turns on for 1 minute and stops if the light barrier is restored again.
Here is a Simple Infrared controlled Switch. It can be operated using the TV remote handset.The Load can be any AC operated device which can be connected to the relay. The load turns on for three minutes then goes off. It can be used to switch on the lamp in the TV room
CD4538-Datasheet
This is an infrared remote control tester circuit which gives both an audio and visual indication that a remote controller is functioning. D1 is a reverse biased photodiode which forms an IR detector.
