Serhii TrushYou can order a prototype for testing here(completely ready device without firmware):
https://www.pcbway.com/project/shareproject/_Perpetual_Wristwatch_d14e5fc4.html|
Order a prototype for testing
A project log for "Perpetual" Wristwatch
The simple and "Perpetual" WristWatch("LumiTime") with 12 red LEDs, it have LIR2430 Li-Ion battery, 12 solar cells, based on Microchip CPU.
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