Hi folks! I have an idea for an optical alignment tool that requires a high-resolution distance sensor. I thought that maybe I could achieve this with ultrasound transducers, by looking at the travel time from a sender to a receiver. The idea is really straightforward, but the catch is that I would…

MHz Speed Analog Reading + High Quality 40kHz Square Wave

liuzengqiang April 22, 2012, 3:54pm 12

How do you account for amplitude changing with distance?

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