Arduino proximity sensor with ultrasonic sensor

Arduino proximity sensor

Arduino proximity sensor using Ultrasonic Sensor HC-SR04 and a passive buzzer. The buzzer’s beeping frequency is set to change depending on the distance to the object measured.

 

Arduino-proximity-sensor-breadboard

Arduino proximity sensor breadboard view

 

Arduino-proximity-sensor-schematic

Arduino proximity sensor schematic view

 

 

Arduino proximity sensor

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