The most useful tool ever for electronics repairs - (PWJ212)
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Convert Your MULTIMETER into an accurate SHORT CIRCUIT TRACER Finder for less than $1 Build This DIY
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Oscilloscope Curve Trace Adaptor - #190
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Powered up a 110VAC momentarily using SuperCapacitor and inverter.
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Troubleshoot Electronics FAST with a Super Probe
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Fixing a 100 years old potentiometer (PWJ230)
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Easiest Way To Repair Any Circuit Board: ESR Meter
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