Tag Archives: rangefinder

AVR basics: Using cheap ultrasonic rangefinders

As part of my cunning plan to develop ‘smart’ sensors, I’ve been playing around with infrared rangefinders (and may do a post on those soon). But the first kind of rangefinder I ever tried was the ultrasonic type, so it was time to reacqauint myself. And, in particular, I wanted to see if I could do this on the cheap…. Read more »