
Figure 7: Communication and 5V Power Cable
Figure 8: 4x4 Keypad
1.3 Features
• 122 x 32 pixel graphics display
• Selectable communication protocol, Serial at RS-232 or TTL Levels or I
2
C
• Two 5V - 20mA General Purpose Outputs
• 16 KB memory for fonts and bitmaps
• Lightning fast communication speeds, up to 115 kbps for RS-232 and 100 kbps for I
2
C
• Adjustable contrast and backlight brightness
Matrix Orbital GLK12232-25-SM 3
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