An ultrasonic sensor is an instrument that measures the distance to an object using
ultrasonic sound waves. It uses a transducer to send and receive ultrasonic pulses that
relay back information about an object’s proximity.
HC-SR04 Ultrasonic Module Specifications:
- Dimensions: 45mm x 20mm x 15mm
- Operating Voltage: DC 5V
- Operating Current: 15 mA
- Operating Frequency: 40 Hz
- Utmost Range: 4 meters
- Nearest Range: 2 cm
- Measure Angle: 15°
- Input Trigger Signal: 10uS TTL pulse
- Output Echo Signal: Output TTL level signal, proportional to the range
Packages Include: 1 x Ultrasonic Sensor HC-SR04 Distance Sensor Module 4 Meter Range
