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Matrix Orbital LCD2041 Legacy User Manual

Page 7

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Connector pinout is as follows;

Figure 3: Power Connector

Table 2: Pinout Connections

Pin 4

Ground

Pin 3

SDA (I

2

C data) / Rx

Pin 2

SCL (I

2

C clock) / Tx

Pin 1

Vdc

2.1.2 Five Volt Modules

If the display is used in a PC it is tempting to plug a spare power connector into the unit. Don’t do this!

Wiring for the PC power connector and that required for the display are different.

Figure 4: Wiring for 5V Modules

Matrix Orbital is equipped to supply an adapter cable designed to use with the LCD2041 when it’s

installed in a PC. The cable is wired as shown in the Figure below.

NOTE This cable does not provide connections for I

2

C.

Matrix Orbital

LCD2041

4