Matrix-orbital LCD2041 Legacy Manual do Utilizador descarregar pdf (Página 8)

LCD2041 rev 2

Connector pinout is as follows:

1 2 3 4

Figure 2-2 Power connector

Pin 1 +5.0 VDC (+8 to +15 VDC with wide voltage option)

Pin 2 SCL (I

C clock)

Pin 3 SDA (I

C data)

Pin 4 Ground

2.1.1.1 Five Volt Modules

If the LCD2041 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 LCD2041 are different as shown in Figure 2-3

below.

PC wiring

Display module wirin

+5 V

GND

+12 V

Figure 2-3 Power Connector wiring differences

If you don't want to modify cable wiring yourself, Matrix Orbital can supply an adapter cable designed to

use with the LCD2041 when it's installed in a PC. The cable is wired as shown in Figure 2-4 below. Note

that this cable does not provide connections for I

Figure 2-4 Five volt Power Cable

1 2 3 4 5 6 7 8 9 10 11 12 13 ... 29 30

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Matrix-orbital LCD2041 Legacy Manual do Utilizador Página 8