HC-SR04 Ultrasonic Distance Sensor

This general purpose sensor is widely used by students, schools, hobbyists, and researchers. It is cheap but it serves its purpose for most applications.

SPECS:

• Working Voltage: 5VDC

  
  

• Working Current: 15mA

  
  

• Working Frequency: 40Hz

  
  

• Maximum Range: 4m

  
  

• Minimum Range: 2cm

  
  

• Measuring Angle: 15 Degree

  
  

• Trigger Input Signal: 10uS TTL Pulse

  
  

• Echo Output Signal: Input TTL Lever Signal And The Range In Proportion

  
  

• Dimension: 45*20*15mm