Unusual chunky USB power banks.
bigclivedotcom 8:13
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A look inside a couple of single cell power banks that have gone for a different style of case to save space.
The one with the LM324 as the cell charge level indicator was quite neat. That would also explain why there was no multiplexing flicker when I pressed the button.
The one with the LM324 as the cell charge level indicator was quite neat. That would also explain why there was no multiplexing flicker when I pressed the button.
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