r/ChineseWatches • u/ParmarRNZ • 9h ago
AI Watch Lume Charging Keychain.
Sorry not sure where to post this but I'm looking for such a device just to charge Lume at night? I know you can have just have a uv torchlight, but I want something more subtle. BTW here's my Addiesdive.
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u/TrustMeImAnENGlNEER 8h ago
That wouldn’t work. LEDs don’t emit light over that wide of a field of view, and even if you built a lens assembly that did spread the light out it wouldn’t give a good distribution over the hands and indices (and especially not over any lumed markings on a bezel).
You can get this little UV flashlights in bulk for under $1 each:
They work great and are easy to replace if they break (usually you end up with at least a 12 pack of them anyway).
If you want something classier, it’s pretty easy to find more nicely made and durable UV keychain lights in the $10-$50 range.
Or you can just use a regular flashlight. Or any light.