Intuitive connection by labeling tags with different color and number for each connector.
Tag Color
Function
Red represents the output voltage of Vin (6-12 VDC), which is the power input voltage. Generally, it is connected to some voltage driver module with 6-12V.
One way digital interface
Dual digital interface
Hardware serial port
Dual & one way analog interface
I²C port
Typical Me Modules
2.54 mm breakout pins on board for connecting with jumper wires, you can use electronic modules with other Arduino controller. More details please refer to corresponding electronic modules below.