This instrument can be used to test whether a battery is dead or not =, its is simple to make and consists of few components
Test probe style with two pins instead of pin and clamp very smart could be used in other way very effectively as we'll like pin testing electrical connectors in vehicles ( been fighting one at work for awhile now) one of these will sure help ALOT thanks for the great idea

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More by sooraj619:5V - 2A regulator  Dual-Tone Horn LED Star 
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