Monitoring CO2 3D

Software used

Free and open source software : FreeCAD

Tools and screws

• 1x Screwdriver
• 9x M3 12mm screw (+3 without solar and attendance module)
• 3x M3 16mm screw (-3 without solar and attendance module)
• 2x M2 8mm screw
• 2x M3 Nut
• 4x M3 20mm Threaded spacer female-female
• 4x M3 30mm Threaded spacer male-female

Assembly

• Red : M3 12mm screw
• Purple : M3 16mm screw
• Green : M2 8mm screw
• Yellow : M3 Nut
• Blue : M3 20mm Threaded spacer female-female
• Pink : M3 30mm Threaded spacer male-female
• ( PCB or 2 washer between the two treaded spacer)