HC-SR04 Ultrasonic Distance Ranging Module

  • $5.95

Will be in stock after

This is an ultrasonic distance sensor (ranging sensor) module. It is manually triggered by pulsing the "Trig" line, and the width of the high pulse on the Echo line corresponds to the measured distance.


  • Voltage: 5VDC
  • Idle current: < 2mA
  • Sensing angle: up to 15 degrees
  • Detection distance: 2 to 450cm
  • Accuracy: 3mm
  • Connections: VCC, Trig, Echo, GND

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