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Tutorial: Ultrasonic Ranging with the Freedom Board

Posted February 12, 2013 by Chris

“Question: What makes 8 times ‘beep’, but cannot be heard?
Answer: My ultrasonic range finder 🙂 ~ FRDM-KL25Z with HC-SR04. What I’ve added to my FRDM-KL25Z board is an ultrasonic distance sensor, measuring distances up to 4 meters.”

Don’t miss this thorough tutorial on using and interfacing ultrasonic range finders to microcontrollers.

One Response to “Tutorial: Ultrasonic Ranging with the Freedom Board”

  1. NIMA Says:


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