Michal Choma's Blog

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 $. Case is homemade...