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4x20 LCD Wiring Question

Discussion about LCD's and other related hardware

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superfly
Posts: 7
Joined: December 27th, 2006, 6:47 am
Location: Dubai - UAE

4x20 LCD Wiring Question

Post by superfly »

Hey Guys,

I recently got a 4x20 LCD and with it came some instructions on how to wire it up - the wiring diagram is as below.

Image

You can see that LC Pin 4 (RS) is connected to parallel port pin 17 but in the schematic that you say works with your program, this pin is connected to pin 16 on the Parallel port.

Does this make any difference?

The Reason i ask is because with LCDCenter, the LCD works fine, however with LCDSmartie, it shows garbled text along with what it's supposed to display.

I've followed the advice of using EPP for the parallel port, etc...

Thanks!
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limbo
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Joined: February 13th, 2005, 7:38 pm
Location: Athens - Greece
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Post by limbo »

If you getting scrambled text is probably the wiring....
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