Results tagged #Acoustic in Circuits
Acoustic thermometer
Acoustic thermometry is used where extremes in operating temperature are encountered, such as in cryogenics and nuclear reactors. The transd...
Acoustic Sensor
This acoustic sensor was originally developed for an industrial application (monitoring a siren), but will also find many domestic applicati...
Acoustic Doppler Motion Detector
A high-frequency audio signal (15 to 25 kHz) generated by Ul is fed to buffer Ql and SPKR1. A portion is f...
Acoustic Sound Receiver
The receiver is an audio amplifier fed by SPKR1, a piezo speaker that is used as a microphone. A scope or headphone...
Acoustic Sound Transmitter
Pulsed sound is produced by this circuit. Ul is used as a bistable multivibrator, which acts as a contact "debou...
Acoustic Tone indicator
With this circuit, we can have a acoustic clue, frequency 2KHZ, when we have a short vibration in his entry. It is constituted from monostab...