- 2cm - 400cm non-contact sensing range
- Measure Angle 15 degree
- 5V Operating Voltage
- 15mA Operating Current
- Trigger Pulse Input
- Echo Pulse Output
- 0V ground
Arduino Ultrasonic Distance Sensor, HR-SC04
HR-SC04 is an economical ultrasonic distance sensor and also, one of the most commonly used ultrasonic sensors in Arduino project. Its additional control circuitry helps to prevent inconsistent "bouncy" data.
There are four pins namely VCC (Power), Tri (Trigger), Echo (Receive), and GND (Ground).
- 1x HC-SR04