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SINGLE_TONE_INFRARED_CONTROL_TRANSMITTER

2016-04-09 11:48  
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SINGLE_TONE_INFRARED_CONTROL_TRANSMITTER
A modulated beam of IR light is produced by this transmitter. This circuit can be used for on/off controls or tone (CW) communications. The pot can be replaced by several pushbuttons and resis-tors, as shown for multitone applications.