https://stream.echo6.co/videos/watch/85b2989b-f7e9-4625-a0d2-ff3896589167 Dave takes a quick look at the spectacularly cheap $20 DPS 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 DPS3003 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!/ EEVblog Main Web Site: http://www.eevblog.com The 2nd EEVblog Channel: http://www.youtube.com/EEVblog2 Support the EEVblog through Patreon! http://www.patreon.com/eevblog Donate With Bitcoin & Other Crypto Currencies! https://www.eevblog.com/crypto-currency/ EEVblog Amazon Store (Dave gets a cut): http://astore.amazon.com/eevblogstore-20 T-Shirts: http://teespring.com/stores/eevblog 💗 Likecoin – Coins for Likes: https://likecoin.pro/@eevblog/dil9/hcq3 Thu, 07 May 2026 06:31:31 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://stream.echo6.co https://stream.echo6.co/client/assets/images/icons/icon-512x512.png https://stream.echo6.co/videos/watch/85b2989b-f7e9-4625-a0d2-ff3896589167 All rights reserved, unless otherwise specified in the terms specified at https://stream.echo6.co/about and potential licenses granted by each content's rightholder.