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Description
- 1x HC-SR04 Ultrasonic Range Finder
- Working Voltage: 5V DC
- Working Current: 15 mA
- Working Frequency: 40 kHz
- Measure Angle: 15°
- Ranging Distance: 2 - 400 cm
- Trigger Inpt Signal: 10uS TTL pulse
- Echo Output Signal: Input TTL lever signal and the range in proportion