DIY variable power supply from a laptop adapter
Автор: Curious Scientist
Загружено: 2021-05-23
Просмотров: 14928
Описание:
In this video I show you how you can reuse an old laptop power supply and turn it into a variable power supply. In this project I used a DC-DC converter, a voltage-, and current meter with a display, a mains switch and two 10 kOhm potentiometers. I put everything together in an enclosure and now I have an adjustable power supply with 20 V and 4.5 A output parameters. Conversely to the popular SZBK07 DC-DC converter, this one uses a 10 kOhm resistor instead of a 100 kOhm to adjust the voltage and the current.
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Schematics: https://curiousscientist.tech/blog/di...
DC-DC converter: https://s.click.aliexpress.com/e/_c40...
Power meter: https://s.click.aliexpress.com/e/_DCQ...
Multimeter: https://s.click.aliexpress.com/e/_AfAhM2
If you want to buy the same parts that I use in the video and support me at the same time, you can use the affiliate links on my website:
https://curiousscientist.tech/tools
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