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DIP switch if for turn on/turn off + charging on/off. Better should be desing own case, using 3D printer.
My light sensor I dont protective, because it will be less accurate. Only when not measuring, for protective from dust.
Do you like portable things?
**broken link removed**
I decided to make luxmeter, which has basic functions:
1. measure lux from 0 to 188000 lux
2. calculate watts/m2
3. charging using USB cabel via TP4056 board
Basic sensor is MAX44009, which measure lux. I use Arduino Pro Mini as microcontroller.
Totally it cost cca 13...
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