On the other hand, this was a great introduction to switch-mode power supply designs, and what not to do with our own builds. Continue reading “Just How Dodgy Are Cheap USB Chargers Anyway?” ...
Usually when someone asks me how to build a USB charger I point them to Jason ... 3G firewire iPod so he decided to build a switch mode power supply to generate the 8-30V required by firewire.
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