BeagleBadge is a $99 is an open source wearable with an ePaper display, sensors, and wireless radios
The BeagleBadge is a new ePaper display that’s designed to be worn like the paper badges you’d wear at a conference.
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 ...
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