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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.
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February 22nd, 2013 at 12:10 am
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