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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History of docs/calcs.json

2 commits ← Back to file
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
John Lauer · 795559a · 2d ago
Rev 2: aim, status-dot lights, Adafruit 1317 battery, rev 2 cost, revisions, firmware
John Lauer · 363a22f · 2d ago