Simple Ir Transmitter

Posted on Feb 12, 2013

The IR diode`s flash rate is determined by the value of CI, a 220-Â¥ capacitor that sets the rate of oscillation at 1

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

Hz per second. Reducing Ci will increase the frequency of the circuit, while larger values will decrease the frequency. Because the circuit only sends out single, narrow pulses of invisible light, the IR receiver only responds with a click for every output pulse.

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