A lot of making goes on in this community these days, but sometimes you’ve just gotta do some old fashioned hacking. You might have grabbed an old Speak and Spell that you want to repurpose ...
Light aircraft often use a heading indicator as a way to know where they’re going. Retired instrumentation engineer [Don Welch] recreated a heading indicator of his own, using cheap ...
Abstract: This article presents the design, fabrication, and characterization of a self-calibrating resonant sensor for the noninvasive dielectric characterization of materials. It is based on a ring ...
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