project

Ghost Hand

Public Unreviewed

by John Lauer

A small battery gadget that keeps an automatic sink faucet running while you use the sink: it learns the faucet's timeout, re-arms with the shortest blip, and stops after 10 minutes or when picked up.

irfaucetattiny1616lipousb-caiflow3d-printopen-hardware
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ghost-hand / docs / aim / top-view-d0a0be9f.png
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John Lauer Rev 2: two IR emitters (850 nm at 8.2 ohm, 940 nm at 4.7 ohm), battery 40 / 74 / 170 days, new resistor pages 795559a 1d ago
top-view-d0a0be9f.png