Musical Distance-Sensing Alarm

Having tried a handful of things with photoresistors in the past few weeks, I was curious to experiment with an ultrasonic sensor. Whereas photoresistors are known to be messy in their readings, ultrasonic sensors measure distance using sound waves, and can produce far more precise readings, even if they also require cleaner conditions for working properly.

 

 

 

 

 

 

Musical Distance-Sensitive Alarm from Michael Blum on Vimeo.

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