they sound more like honks than pings, but it’s still pretty cool. To make the simple range sensor more radar-like, [Dzl] needed to narrow the beamwidth of the sensor and make the whole thing ...
A solution for some sensors comes courtesy of [Ruslan Nagimov], who shows us how the PC sound card can become a measurement interface. The idea is that simple resistive or capacitive sensors can ...
Hydrogen is a promising clean energy source, but it comes with safety challenges. It is invisible, odorless, and highly ...
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