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Sensor Wiki: KY-050 / HC-SR04 Ultrasonic Sensor

This wiki article covers the KY-050 / HC-SR04 ultrasonic sensor. Included are wiring diagrams, code examples, pinouts, and technical data. This sensor contains an ultrasonic emitter and receiver that combined together can be used to determine its distance from an object by measuring the time it takes sound to travel from the emitter and its […]