Your best LED test tool with quick polarity identification
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YouTubecircuitapps
Your best LED test tool with quick polarity identification
In this video, we're building the best LED test tool that does not only tell you whether the LED is working or not but it indicates the correct polarity of the LED with a simple flip of the tool! - no plugging/unplugging or manual switching needed! Another advantage of our tool is it works with a CR2032 coin cell battery and will comfortably ...
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