Description
HC-SR04 Ultrasonic Sensor- Arduino Sensors
- Working Voltage: DC 5 V
- Working Current: 15mA
- Working Frequency: 40Hz
- Max Range: 4m
- Min Range: 2cm
- Measuring Angle: 15 degree
- Trigger Input Signal: 10uS TTL pulse
- Echo Output Signal: Input TTL level signal and the range in proportion
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