AirGradient DIY Pro Air Quality Monitor (PCB v4.2) By AirGradient Co. Ltd. · Example build · 9 views · 0 remixes The larger AirGradient DIY board: PM2.5, CO2, temperature and humidity on a 1.3 inch OLED, with room for a TVOC/NOx module 0SaveRemixCopy link Estimated parts cost 1 of 3 parts pricedDifficultyModerateParts3 parts · 3 pcs Start the assembly guide →