PiDojo – Ultrasonic Distance Measurement

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The HC-SR04 Ultrasonic Distance Sensor

Today we used the HC-SR04 Ultrasonic Distance Sensor. The HC-SR04 is a cheap sensor that is used in lots of electronics projects.

Next week we’ll connect up the sensor to our LCD Display to make a measuring device. Our code from today can be found here and here are my slides Distance Sensor

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