Ultrasonic remote control delay light receiver

Published:2011/4/25 4:34:00 Author:Nicole | Keyword: ultrasonic, remote control, delay light receiver | From:SeekIC

The figure is as shown, it is a delay light circuit uses ultrasonic as remote control command, when you use it, just to press the ultrasonic remote control transmitter(as below), the light will light up. Delaying about 1 min, the light will off automatically, it is very suitable for the use of getting up temporarily at night. B1、B2 adopt well-assorted UCM-T40 and UCM-R40 piezoelectric ceramics ultrasonic transmit-receive converter.



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