Ultrasonic Ranging Module HC-SR04 Arduino Compatible
The HC-SR04 ultrasonic sensor uses sonar to determine distance to an object - just like bats or dolphins do. Ultrasonic ranging module HC-SR04 provides 2cm - 400cm non-contact measurement function, the ranging accuracy can reach to 3mm. The modules includes ultrasonic transmitters, receiver and control circuit.
The basic principle of work:
Working Voltage: DC 5V
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