The HC-SR04 ultrasonic range finder uses sonar to determine distance to an object.
This module offers excellent range accuracy and stable readings in an easy-to-use package. It operation is not affected by sunlight or black material (although acoustically soft materials like cloth can be difficult to detect).
Perfect for collision avoidance on your next robotics project!
Power: 5V DC
Quiescent Current : <2mA
Effectual Angle: <15°
Ranging Distance : 2cm – 500 cm/1" - 16ft
Resolution : 0.3 cm
LxWxH: 45 x 20 x 15mm