AirGradient DIY Basic Air Quality Monitor (PCB v4) By AirGradient Co. Ltd. · Example build · 6 views · 0 remixes Solder a Wi-Fi monitor that shows PM2.5, CO2, temperature and humidity on a tiny OLED 0SaveRemixCopy link Estimated parts cost 1 of 4 parts pricedDifficultyModerateParts4 parts · 4 pcs Start the assembly guide →