Instructables: exploring - technology - photosensor Fri, 31 Oct 2014 02:23:38 PDT BLOX v1.01 Nightlight IR Detector Hack yardleydobon Nightlight IR Detector Hack This hack is so simple that, if there were a Book of Hacks, this one would be found at the top of the first page of Chapter 1, Volume 1. Infrared (IR) is electromagnetic radiation with a frequency lower than red light (infra means below) and higher than microwaves. Becaus...
By: yardleydobon

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Fri, 18 Nov 2011 16:24:28 PST