We made a small electrical device which is very useful.It is a regulated DC power supply without using tap transformer. We can get different output like 5 volt ,8 volt, 12 volt and 18 volt. It cost us less than $4. or 200 Indian rupees :)
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mad_scientist_nitwContinue Reading »from Instructables: exploring - technology - robots http://ift.tt/1NUKqyF
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