HC-SR04 Ultrasonic Distance Range Module Transducer

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Information: Working Voltage : 3.3 - 5V(DC) Static current: Less than 2mA. Output signal: Electric frequency signal, high level 5V, low level 0V. Sensor angle: 15 degrees Max, Dete ction distance: 2cm-450cm. Precision: Up to 3mm Input trigger signal: 10us TTL impulse Echo signal : output TTL PWL signal Mode of connection: 1.VCC 2.trig(T) 3.echo(R) 4.GND Simply supply module with 5V, the output will be 5V while obstacle in range, or 0V if not. Show more