1. Build your own switch mode voltage regulator for your Commodore VIC 20. Replace the obsolete LM323K.

    Build your own switch mode voltage regulator for your Commodore VIC 20. Replace the obsolete LM323K.

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  2. TRANSFORMERS - What They Are, How They Work, How Electricians Size Them

    TRANSFORMERS - What They Are, How They Work, How Electricians Size Them

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  3. EEVblog #476 - Opamp Offset Voltage Measurement

    EEVblog #476 - Opamp Offset Voltage Measurement

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  4. homemade battery-powered welding machine

    homemade battery-powered welding machine

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  5. BLACK & DECKER Electric Hand Saw Wood Medal Plastic Hand Held Easy Light Storage Bag 3.4-Amp PHS550B

    BLACK & DECKER Electric Hand Saw Wood Medal Plastic Hand Held Easy Light Storage Bag 3.4-Amp PHS550B

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  6. Unpacking LogicPower LPM-PSW-1500VA black uninterruptible power supply (UPS) (22754). Testing

    Unpacking LogicPower LPM-PSW-1500VA black uninterruptible power supply (UPS) (22754). Testing

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  7. Inverter 1500W sinus 12V DC - 230V AC

    Inverter 1500W sinus 12V DC - 230V AC

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  8. AMD Issues: Kernel 41 & WHEA Logger Event ID 18 / 19

    AMD Issues: Kernel 41 & WHEA Logger Event ID 18 / 19

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