HC-SR04 module

HC-SR04 Datasheet

HC-SR04 is an ultrasonic ranging module that provides 2 cm to 400 cm non-contact measurement function. The ranging accuracy can reach to 3mm and effectual angle is < 15°. It can be powered from a 5V power supply.

Sources for downloading HC-SR04 pdf datasheet

HC-SR04 module

HC-SR04 Specifications

  • Working Voltage: DC 5V
  • Working Current: 15mA
  • Working Frequency: 40Hz
  • Max Range: 4m
  • Min Range: 2cm
  • Measuring Angle: 15 degree
  • Trigger Input Signal: 10µS TTL pulse
  • Echo Output Signal Input TTL lever signal and the range in proportion
  • Dimension 45 * 20 * 15mm


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