IR_CONTROLLED_REMOTE_A_B_SWITCH

Published:2009/6/16 22:11:00 Author:May | From:SeekIC

Useful for A/B control, the IR receiver shown controls a relay from an infrared beam that has a pulsed tone-modulated signal. Q1 is the photo receptor feeding op amp IC1, tone decoder IC2, and flip-flop IC3. IC5 turns off the indicator LEDs after about 15 seconds.



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