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EEVblog #1030 - $20 DIY Bench Power Supply!
Dave takes a quick look at the spectacularly cheap $20 D series CC/CV modules from RD Tech.
How to make a 30V 3A bench power supply with 1mA resolution constant current limiting and multi function display using a junk bin enclosure and a junked plugpack or old computer power supply.
The D3003 30V 3A module in particular.
RDtech Youtube channel: https://www.youtube.com/channel/UCy73jJ5-ZqhPzT7wJ6KTIaw
Aliexpress Store: https://rdtech.aliexpress.com/store/923042
Forum: http://www.eevblog.com/forum/blog/eevblog-1030-$20-diy-bench-power-supply!/
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