have you ever put together a circuit and after finishing you find your LED doesn't work? well with this Instructable that will never happen again! I present to you the Battery clip LED tester. Components: Components: female header pins 1k resistorperfboard9v battery clipTools: soldering ironsolde...By: louisc2
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from Instructables: exploring - technology - robots http://ift.tt/1JVut8a
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