


HC-SR04 Ultrasonic module range finder
The HC-SR04 Ultrasonic Sensor is one of the must-have part in your box. Every maker should know how to use this sensor. Why? Because it provides you a simple and effective way of measuring distances between objects. Many people use this ultrasonic sensor in robot projects with a vast choice of microcontrollers, like the Arduino or the Raspberry Pi. The sensor will output an analog value. The module includes a receiver and a transmitter and the controls. It can be used to determine obstacles distances or measure the fill level of a tank. Everybody use it, so there are tons of related tutorials and guides to help you. We ship the HC-SR04 from Canada.