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Ako zmerať kryštál?
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Ako zmerať tranzistor
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Elektronika pekne od začiatku - bipolárny tranzistor ako spínač
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How To Make A Battery Charger To Effectively Restore Your Battery! Do It Yourself At Home
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Ako zmerať triak
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DIY Multimeter attachment for testing a High-voltage LED's using materials at hand
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Esta ferramenta que você precisará para testar, diodo zener, luz led, regulador de tensão
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