For charging multiple USB devices at once, I created this board, which plugs into an old ATX power supply. I’ve written an article about it…
Generally speaking, the USB interface is pretty complicated. This is also true if you want to charge or just deliver some power over USB –…
If you ever worked with lithium batteries, you probably know the TP4056 – a chip for charging lithium batteries with CC-CV profile, two LEDs for…
One of my most viewed projects ever (both on Instructables and Github) is my AVR Universal Battery Charger. It was also one of the very…
I own an action camera – the Yi 4K – and I am very satisfied with it. However, even though it has longer battery life…
You probably know that charging lithium batteries isn’t particularly easy. But if you have just a single cell, you can get an IC to do…
I use lithium batteries a lot. However, they are not the easiest to use – you need a dedicated charging IC, complicated protection circuitry, boost…