Solar paw teardown - with schematic

Nothing really radical about the circuitry, but the visual effect is very neat. Especially with the LED placement.

As with most solar lights, if you really like this one, then it's worth spending a little bit of time waterproofing the interior. Whether that's using a lacquer on the PCB or some form of grease on the PCB and battery contacts to keep water away from them, it's worth doing. I wonder if a spray of mechanic's fluid film would work.

The inductor sets the LED intensity and affects the run time. Places with lower amounts of sunlight could use a higher value inductor like 220uH to 330uH. Places with high levels of sunlight could get a bit more intensity with a lower value like 56uH.

This could be a nice symbolic garden light for members of the furry fandom. Or it could be hacked to run on a USB cable and resistor for indoor use.

This light came from Temu (not a sponsor), but is available from other online sellers too:-
https://www.temu.com/goods.html?_bg_fs=1&goods_id=601099519077930

A search for solar paw light comes up with many similar listings. I think this one cost around £4 for one.


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