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Altera_Forum
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18 years ago

Cyclone III Development board errata

Hello everyone, I've designed a new system from scratch on the cyclone iii development board (http://www.altera.com/products/devkits/altera/kit-cyc3.html) and I found a few errors in the files ...
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Altera_Forum
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13 years ago

Which LCD module are you using? As far as I know, there's no module shipped with DE0. If you are using a different LCD module than that planned by Terasic, you should check the contrast voltage requirements. It may be necessary to change the voltage divider R11/R14.

As said, the LCD contrast voltage isn't programmable with DE0. In so far, there's no option to change it in software.

You have been talking about low contrast. That's a different thing than switched off back light. I presume that you are able to see the difference.