Ultrasonic transmitter circuit 555


Posted on Mar 28, 2007

555 ultrasonic constructed transmitter circuit 3 feet from the oscillating pulse output of 555 T-40-16 40kHz drive to work, so that emit ultrasonic signals of 40kHz. Circuit vo


Ultrasonic transmitter circuit 555
Click here to download the full size of the above Circuit.

ltage of 9V, operating current 40 ~ 45mA, control distance is more than 8m.




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