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1 vote

12V Solar panel voltage is not 12v in reality. How do I correct this? ( ESP32 solar powered project )

Yes, you need a "charge controller", but a specific type -- a MPPT charge controller. MPPT = Maximum Power Point Tracker. From googling MPPT, "An MPPT, or maximum power point tracker ...
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0 votes

Inductors and caps on buck-boost converter getting very hot under medium-ish load

The problem with your system is you are using a sepic converter (2 inductor system) & disadvantage of sepic converter is that it is problematic at current higher than 1A. For higher currents a 4 ...
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0 votes

Would it be possible to power a small micro controller and an RGB LED using a size 675 Zinc Air battery?

Zinc air current is typically limited, but as long as you picked a microcontroller with a low enough current requirement, and picked a battery model that could supply that current, it could be done. ...
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1 vote
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What is the purpose of button like blinking

It is a cheap piece of jewelry. You can buy them for about a dollar each when you buy 25 at a time. it looks like part of burglar alarm transmitter. It doesn't look like any burglar alarm ...
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5 votes

Is it feasible for an amateur to bring to market a product with a lithium battery?

You don’t need to sell the device with a battery of course. The user can provide their own cell, like it’s done for the vaping devices. But then if something happens it’s a blame game between the ...
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2 votes
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Should I connect battery ground to the metal enclosure

At 48 V, shock hazard is minimal. Your batteries can probably deliver an embarrassingly large current in the event of a short circuit. Having the battery and the rest of the drive electronics isolated ...
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