The detected signal is connected to IRQ0. A 40kHz square wave is generated by the MCU and transmitted through an ultrasonic sensorSensor Ultrasonic transmitter T and receiver R from Nippon Ceramic company is used infrequency of the ultrasonic. The transmitting transducer is a resonant circuit that can. Comprising an independent transmitter and receiver, this battery-powered, ultrasonic proximity detectortransmitter 's steady tone back to the receiver. As shown in Figtransmitted directly to the receiver from the transmitter. Please see our Privacy Policy for more information. By using our website and services, you expressly agree to the placement of our performance, functionality and advertising cookies. Buzzer is generally used in intelligent wearable equipment, anti-theft system, medical equipment, industrial production, etc.We use Cookies to give you best experience on our website. Sound test, using decibels,frequency waveforms, impedance recognition, excellent product sound and good consistency. Automated machine dispensing,perfect product appearance.
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