User guide M-duino family products: (checks the date of purchase of your computer to view previous versions)

01/01/2015:

• User guide M-duino 21.
• User guide M-duino 42.
• User guide M-duino 58

17-04-2015:

• User guide M-duino 21.
• User guide M-duino 42.
• User guide M-duino 58.

You can download your Arduino IDE.