Revision as of 21:25, 1 March 2019 by Marcin(talk | contribs)(Created page with "*Distance sensor - $7 - 1-5 mm accurate? [https://www.ebay.com/itm/Adjustable-Infrared-Proximity-Switch-Photoelectric-Sensor-NPN-NO-w-Bracket-US-/232964401613?_trksid=p5731.m3...")