[notebook] add MasterBox
[notebook] add MasterBox

tardate/LittleArduinoProjects,tardate/LittleArduinoProjects,tardate/LittleArduinoProjects,tardate/LittleArduinoProjects,tardate/LittleArduinoProjects,tardate/LittleArduinoProjects,tardate/LittleArduinoProjects,tardate/LittleArduinoProjects