2 layers25.1 × 25.2 mm

Mini Environmental Sensor
MbFredys/PCB-Mini-Environmental-Sensor
Compact ESP32-C3 environmental-sensor PCB design using BME280 and SGP40 for temperature, humidity, pressure, and VOC-based air-quality sensing.
34 parts14
KiCad boards from 1 GitHub repository tagged “sgp40environmental-sensing”, the most starred first; open any of them in PCBKit.

MbFredys/PCB-Mini-Environmental-Sensor
Compact ESP32-C3 environmental-sensor PCB design using BME280 and SGP40 for temperature, humidity, pressure, and VOC-based air-quality sensing.