Old bench power supply restoration (AUL210 from 1983) part 4
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Simple DIY power supply + thermal drift compensation
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Function generator repair (Hungarian TR-0458/B)
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DIY 1 - 15V bench power supply
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Empilhando 5 módulos Peltier e atingindo -90℃
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Nixie multimeter repair (M1T-242)
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I Saved an Electron Microscope from the Trash
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Como Funcionam os 18 Componentes Eletronicos Mais Importantes da Eletronica | INETEC
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