Converting a switching power supply into a laboratory one (special for 1024 subs!) [DIY #48]
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In this video, we convert a 24V power supply removed from a laser printer into a laboratory power supply. At the beginning, I show you how to power the power supply control IC from another source, and then we make a control board that allows for output voltage regulation and current limitation. At the end, we test our modified power supply. ------------------------Table of contents------------------ 0:00 Introduction 0:55 What will need to be modified? 2:23 How to power the power supply control IC? 7:16 Power supply resistor calculations 8:59 Modification tests 10:11 Control board diagram, description of operation 17:19 How to connect the board to the power supply? 20:04 Is our power supply working properly? 23:55 Summary, ending ----------------------------------------------------------- Don't want to miss new videos? Subscribe to the channel! My most interesting videos: Repair of a 5V charger: • Repair of a 5V charger, power supply; LCD Monitor Repair: • How to Repair an LCD Monitor, What's W... ATX Power Supply Repair: • How to Repair an ATX Power Supply, What to Look For... LED Strip Dimmer: • Simple LED Strip Dimmer, Dimmer... Battery Rectifier: • Automatic Rectifier, Charger for... Short Circuit Protection: • Current Limiter, Overload Protection... Step-up/Down Converter: • Simple and Universal Control Converter... Simple Regulated Power Supply: • Converting a Switching Power Supply to a Re... 100W Converter from 12V to 230 or 325V: • Converter from 12V to 230 or 325V, M... Tone Control: • Tone Control [DIY #40] Simple Charger for Various Batteries: • Simple Charger for Various Batteries [... LED Oscilloscope: • LED Oscilloscope (Part 1): Introduction... Converter step-up: • Boost converter, ... Simple and efficient audio amplifier: • Simple but efficient audio amplifier ... High-power transformer power supply: • Simple high-power power supply, part 1 of the cut-off... Induction heater, high voltage on ZVS: • ZVS circuit, i.e. induction heater... Fan speed controller: • Speed controller, fan controller... PWM controller for motors and bulbs: • PWM controller for motors and bulbs ... Converter from 12V to 230V: • Converter from 12V to 230V, simple and ... The simplest frequency meter: • Frequency meter, simple and quite... Plasma lighter: • Plasma lighter, ZV generator... Playlists: Electronics basics: • Electronics basics DIY: • DIY Other things related to electronics: • Other
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