ultrasonic

The HC-SR04 Ultrasonic Range Sensor Features:

• Input Voltage: 5V

• Current Draw: 20mA (Max)

• Digital Output: 5V

• Digital Output: 0V (Low)

• Working Temperature:  -15°C to 70°C

• Sensing Angle: 30° Cone

• Angle of Effect: 15° Cone

• Ultrasonic Frequency: 40kHz

• Range: 2cm - 400cm

• Dimensions

  • Length: 43mm

  • Width: 20mm

  • Height (with transmitters): 15mm

  • Centre screw hole distance: 40mm x 15mm

  • Screw hole diameter: 1mm (M1)

  • Transmitter diameter: 8mm