Nova M3 MFN300 is a multifunction card with a variety of auxiliary functions. It has the following features:

• RS232 serial or Gigabit Ethernet port communication;
• Ethernet port connection between two receiving cards or at the end;
• Timer function which is able to replace timer and delayer;
• Temperature detection of power distribution box;
• Humidity detection of power distribution box;
• Audio output;
• 4-way light sensor connection to achieve automatic brightness adjustment;
• Temperature and humidity module connection;
• 8-way power switch control.

Thickness of the board is about 1.6mm. The overall thickness (board thickness＋thickness of the components on front and back side) is about 20mm.