How to Measure the Amperage of a Transformer, Simple and Easy to Do 100% Practical.
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Use old LED bulbs! You will never need batteries in your wall clock again.
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You won't believe what I did with my Multimeter, a Necessary and Very Practical Tool.
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Power factor explained | Active Reactive Apparent Power correction
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Converter fonte de alimentação de computador antigo em fonte de alimentação ajustável
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How to identify a Mystery Transformer!
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How to calculate the Protection Resistor for an LED Diode?
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Produção de PCB em Casa: Método Fácil e Rápido! 🛠️ | Gerador de Clock Si5351
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