Manual

8
2. Connections
2.1 Connector Pinout
Refer to the diagram below for this chapter.
Figure 2-1 Electrical Connections
Pin Function
GND Ground for GPOs
GPO1 General Purpose Output 1
GND Ground for GPOs
GPO 2 General Purpose Output 2
C1 Keypad column 1
C2 Keypad column 2
C3 Keypad column 3
C4 Keypad column 4
C5 Keypad column 5
R1 Keypad row 1
R2 Keypad row 2
R3 Keypad row 3
R4 Keypad row 4
R5 Keypad row 5