Ultrasonic whistle remote control fan speed regulation with sound waves circuit diagram

Published:2011/4/6 1:57:00 Author:Rebekka | Keyword: Ultrasonic whistle, remote control fan , speed regulation with sound waves | From:SeekIC

Circuit is shown as below. it includes two parts, ultrasonic sound flute and Asia ultrasound receive/control circuits. Ultrasonic whistle can remote control the speed of electric fan. The features are: Convenient operation, strong anti-interference etc. The circuit will give a cool simulation sound of the waves.



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