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Originally Posted by Mike Betts
Refer to page 11 of "2004 Full-Size Robot Controller Reference Guide".
If I call +5V pin 1, then pin 1 goes to +5 of the LCD, Pin 2 goes to data in of the LCD and pin 4 goes to ground on the LCD.
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That's the TTL port, not the Program port. My LCD only works on RS-232 voltage levels, and besides, I'm already using the TTL port for the camera.