Scalar - 3D printer Gaz/Smoke detector Kit housing

This set of models is to be used with MQ2 Smoke detector module.

* All the models are designed to fit on 3030 aluminum extrusion
* Compatible with MQ2 gaz detector
* Compatible with Yurobot Voltage regulator (12V->5V)

The modified firmware you can use is located here:
https://github.com/Nutz95/Marlin.git
Look the description on how to configure it at the end of Configuration.h file

It should be merged quickly into the main branche.

You can connect it on A3/D57 Aux 1 input pin of