HC-SR04 Ultrasonic Sensor Module
$2.99

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.


Specifications

  • Weight: ~8.5 g
  • Operating Voltage: 5v DC
  • Operating Current: 15 mA
  • Measure Angle: 15°
  • Ranging Distance: 2 cm - 400 cm