CO2 Gadget
CO2 Gadget Boxes, 3D Printed and without 3D printer
CO2 Gadget Boxes (with and without 3D printer) that you can print and modify.
CO2 Meter TFT Colour Display with TTGO T-Display Sensirion SCD30 - The CO2 Gadget
CO2 meter with colour display and Bluetooth connection. Take it with you everywhere and measure the air quality discreetly and at any time.