PC keyboard and LCD

Spanish_dude · Post by **Spanish_dude** » Sun Sep 20, 2009 9:07 pm

Hi everyone,

I have a little project in mind.
What I want to do is to write on an LCD with a PC keyboard.

But, the problem is that I don't know how a keyboard work, how it send the data, how do I connect it to the microcontroller, ...

Can anyone help me with that ?

Thx : )

Nicolas

PS: I readed this first: http://computer.howstuffworks.com/keyboard.htm, but it wasn't of great help.

Post by **kersing** » Mon Sep 21, 2009 5:30 am

I would start by reading http://www.computer-engineering.org/ps2protocol/ and http://www.computer-engineering.org/ps2keyboard/ and perhaps http://www.beyondlogic.org/keyboard/keybrd.htm

Spanish_dude · Post by **Spanish_dude** » Mon Sep 21, 2009 1:19 pm

Hi kersing,

Thx for the links.

I thought it would be easier to use the keyboard ^^

Nicolas

Post by **Benj** » Mon Sep 21, 2009 3:04 pm

Hello Nicolas

Here is an example program of interfacing a PS2 keyboard. The code is quite old and isn't great im afraid but I did get the keyboard working quite nicely.

Spanish_dude · Post by **Spanish_dude** » Mon Sep 21, 2009 4:37 pm

Thx Benj

I'll try to understand it and then I'll try to make one : )

Nicolas

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