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How to calculate the capacitance of a capacitive dropper for a simple power supply
318 10548+45

How to calculate the capacitance of a capacitive dropper for a simple power supply

How to calculate the capacitance of a capacitive dropper for a simple power supply
318 10548+45
Today I’ll talk about the simplest kind of power supply—more specifically, how to calculate its capacitor value and choose the right type. I’ll also suggest some better options for low-power supplies.
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A Not-So-Great USB Charger (Power Supply)
69 54110+10

A Not-So-Great USB Charger (Power Supply)

A Not-So-Great USB Charger (Power Supply)
69 54110+10
Today I’m going to tell you about a small charger that doesn’t quite live up to its advertised specs, even though it’s put together pretty well. Teardown, tests, conclusions—as always.
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A small protection board for assembling 2S lithium battery packs
109 21935+7$0.99

A small protection board for assembling 2S lithium battery packs

A small protection board for assembling 2S lithium battery packs
109 21935+7$0.99
I came across some small protection boards for packs made from two lithium batteries, so I decided to put together a little review—or a big photo dump, whichever you prefer :)
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