AirGradient Open Air Outdoor Monitor Kit (O-1PST) By AirGradient Co. Ltd. · Example build · 10 views · 0 remixes Assemble AirGradient's open-hardware outdoor monitor: ESP32-C3 board, PM, CO2 and TVOC/NOx sensors in a UV-resistant housing 0SaveRemixCopy link DifficultyEasyBuild timeabout 15 minutes (AirGradient estimate)PartsNo parts list Start the assembly guide →