Smart Citizen Kit 2.2 with carbon dioxide and formaldehide sensors

Measure Indoor or Outdoor Air Quality with this unit. Beyond the metrics from the kit, it can measure CO2 with a very reliable CO2 sensor!

This enclosure is to be used with the SCK2.2. It's based on the Frog Box design, with additional modifications, remade from scratch in Blender.

⚠️ WARNING: There are various covers that can be used with this enclosure. The cover_INDOOR.stl is meant to be used in indoor spaces. The cover_FREESTYLE.stl is

To use it, you need to print:

• 1x cover of your choice: indoor version, multiporpuse version.
• 1x base
• 1x clip
• 2x latches
• 1x HCHO peg

Printing

We have tested this on a Prusa MK3 3D printer, using PLA and the following settings:

• No supports
• 0.2mm layer height
• At least 3 vertical walls

See the slicer capture below:

Additional components

• 9x M3 Inserts
• 6x M3x30mm INOX screws
• 2x M3x10mm screws
• 1x M3x15mm screws
• 6x M3x6mm screw
• One external SC reset button
• Rubber seal 2.5mm