Sensor Wiki: KY-050 / HC-SR04 Ultrasonic Sensor
Tag: HC-SR04
Arduino Ultrasonic Sensor Tutorial
The ultrasonic sensor is one of the most common sensors used in Arduino projects. It’s one of those must have sensors for many projects that require inputs for navigation. For example, an Arduino RC car or other robot will likely need an ultrasonic sensor to measure how close it is to a wall or other […]