Most often ultrasonic transducers are used for distance measurements, and in the DIY world, usually as a way for robots to detect obstacles. But for a weekend project, [Vinod.S] took the ultrasonic ...
When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Sennheiser says its new EM 3732 twin receiver has a nose for free frequencies. The unit offers ...
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