The HC-SR04 ultrasonic ranging sensor is an economical solution for non contact measurement. This sensor can measure from 2 cm to 400 cm with an accuracy of ~4 mm. Each module includes a transmitter, receiver, and on board control circuit.
- Weight: ~8.5 g
- Operating Voltage: 5v DC
- Operating Current: 15 mA
- Measure Angle: 15°
- Ranging Distance: 2 cm - 400 cm