![](https://s3images.coroflot.com/user_files/individual_files/498602_ntQP5ePQwzo_OZVtLDsDe9y8T.jpg)
Process of development
![](https://s3images.coroflot.com/user_files/individual_files/498602_UgmgQtPfF9zzOxEkNF7stBn9E.jpg)
Functionality board 1
![](https://s3images.coroflot.com/user_files/individual_files/498602_kGxpaJmOKb_soAeXV8IB9y9Ug.jpg)
Functionality board 2
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