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  • How to recover components from old or broken electronics without a soldering iron!

    Electrolytic capacitors (provided they are physically sound e.g. no visible signs of deterioration) can be reformed =reconditioned by applying their max operating (DC) voltage via a high Ohm value resistor ,such that they are charged gradually while measuring the current. When current is nearing zero , remove the supply voltage and monitor the voltage for a while with a digital (hence high impedence ) volt meter .If the voltage holds well for a few minutes ,discharge the capacitor via the same resistor.Repeat the above charge /discharge process a few times and the capacitor will have a second ( long) life .This way I re-use most electrolytic capacitors salvaged from old/scrapped electronic equipment .

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