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One part that I find myself using somewhat regularly in microcontroller-based experiments is the “USB power bank” that provides USB-standard 5-V DC output and offers some basic protection features.
Recently, I came across a review of Keweisi KWSV20 USB Tester in Gough’s Tech Zone and thought that it’d be good to buy one myself. After a quick search on Amazon and just three days later, I had that ...
Keeping those old USB power bricks is a mistake ...