IS.MDUINO.21+ is a M-Duino PLC. This is the first equipment based on the Arduino technology designed for a professional use. This PLC has 21I/Os. It also contains several communication ports, which provide more flexibility and control. The M-DUINO family offers the possibility to expand up to 127 modules through I2C, which means that users can have up to 7100 inputs / outputs in host-server connections, additionally to sensors, etc. This controller can be programmed using the Arduino IDE platform. It is programmed through the USB ports. This Controller can also be programmed through Ethernet port remotely. This offers and immediate access to program, maintain and control. Also, you can continuously monitor the status for all the variables, inputs, outputs, etc. It is compatible with the Ardbox and the Touchberry Pi with instantaneous connection.