PROP to BS2 to Parallel LCD

PFloyd36069

hi,

anyone have any code to set up the BS2 to act like the controller board on a serial lcd.

thanks,

bryan

Morrolan

Why would you want to do that? The 4x20 Parallax serial LCD I have already has an SX28 on the board pre-programmed to act as a controller for the LCD? Is the LCD a non-parallax device? If so, what is the make and model number, as that may assist us in helping you.

Morrolan

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PFloyd36069

sorry for the brief description. The displays that i have are 4 X 20 Parallel, and i want to use the stamp as the interface between the prop and the lcd, so that i dont have to use up all of·my·i/o pins.

Franklin

Still I would look at the SXchips (proto board $9.95 - programming tool $29.95) as opposed to the stamp at $49.95.

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- Stephen

PFloyd36069

if i was buying new hardware, then i would go that route, but i already have a stamp homework board. i recently upgraded to the prop and now i dont use the stamp anymore.

Erik Friesen

Why not use a multiplexer? you could write spin code that would emulate serial lcd commands. You probably want to keep using your 4x20 but mouser has 128x64 graphical lcds as low as $7-$25. Some of these are serial lcds. (though not high level serial)

jeffjohnvol

Or use a shift register perhaps? Check out

http://www.parallax.com/dl/docs/books/sw/exp/sw23b.pdf

That way you would only use one output from your prop and you can sell your stamp on ebay [noparse]:)[/noparse]

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