User:Yoana Buzova/stock: Revision history

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1 April 2013

16 March 2013

18 February 2013

15 February 2013

  • curprev 19:3019:30, 15 February 2013Yoana Buzova talk contribs 1,003 bytes +1,003 Created page with "inspired by a small DC motor(ripped off a scanner) with an optoelectronic sensor and a transparent wheel with black stripes to determine it's speed and direction. Then ----> ..."