2 layers35 × 21.4 mm

Air Quality Sensor
Szymon423/Air-Quality-Sensor
Open-hardware indoor air quality monitor: ESP32-S3, SCD41 CO₂, SHT4x temp/humidity, SPA06 pressure, WS2812 LED ring. Round PCB in KiCad, 3D-printed enclosure.
114 parts
KiCad boards from 1 GitHub repository tagged “scd41”, the most starred first; open any of them in PCBKit.

Szymon423/Air-Quality-Sensor
Open-hardware indoor air quality monitor: ESP32-S3, SCD41 CO₂, SHT4x temp/humidity, SPA06 pressure, WS2812 LED ring. Round PCB in KiCad, 3D-printed enclosure.