Steampunk Secret Knock Detector
Powered by an Arduino circuit. Cool!
Notes
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viktorvanastra reblogged this from eintr
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viktorvanastra reblogged this from eintr
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devilkhan reblogged this from eintr and added:
Hmmm but it’s not steampunk if it’s not steam powered. Although it is a very cool unit.
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eintr posted this
