Instructables: exploring - technology - scrapyard challenge Tue, 28 Mar 2017 06:34:58 PDT BLOX v1.01 Scrapyard Challenge 555 Noisemaker!
Scrapyard Challenge 555 Noisemaker! - More DIY How To Projects]]> coinop29 This instructable will walk you through the steps to solder up your Scrapyard Challenge 555 Noisemaker kit! This kit is a tool to teach the fundamentals of electricity through sound.  Open vs closed circuits, conductivity, and resistance are demonstrated through the articulation and frequency contr...
By: coinop29

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Fri, 27 Apr 2012 01:37:18 PDT