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Running HD44780 on usb with Sunsway USB ParallelPort Adapter

Discussion about LCD's and other related hardware

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solanum
Posts: 9
Joined: February 13th, 2006, 9:34 pm

Running HD44780 on usb with Sunsway USB ParallelPort Adapter

Post by solanum »

Hi long time no seen... :smt006

Running HD44780 on usb with Sunsway USB Parallel Port Adapter?
is this possible?
i dont know what to set up ldcsmartie to do this.. :oops:
but it has to be possible, right ?
the display is a HD44780 4x20 lines..
PLEASE help.. im going mad ... :roll:
the os im using if that matters is windows 7 64 bit...
thanks for answers..
regards, solanum

edit: i have read that you cant use a usb to serial conector? why is this ?
it should be possible to send info from usb via this connector.. somehow.. maybe with som modifications?
caesar
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Re: Running HD44780 on usb with Sunsway USB ParallelPort Adapter

Post by caesar »

It doesn't work as driving a parallel LCD needs specific timings that usb-parallel adapters can't provide.

Only if the adapter has a FTDI chip you could use it in bit-bang mode, more info is here on the forums.
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