 
 Problem:I had a problem with having a light switch in the wrong end of the corridor. I also didn't want to have a new switch installed because of the historical value of the building. Until now I have used a normal floor lamp but switching the lamp on and off all the time is bit frustrating. That's...
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pertti56Continue Reading »from Instructables: exploring - technology - robots http://ift.tt/1ISATEQ
 
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