[RndTbl] LCD character displays?

Bill Reid billreid at shaw.ca
Mon Dec 29 12:00:00 CST 2003

Talking about LCDProc reminded me of the Winnipegger who used it to 
display Winnipeg Transit bus times.


John Lange wrote:
> This might be the completely wrong approach but I believe 2 x 24 serial
> LCD displays are the same standard size used for Point Of Sale to
> display product and price info to customers at the checkout.
> My understanding is there are Linux based POS terminals which support
> these display devices so my thought is you might find more information
> about driving them by searching around point of sale.
> www.javapos.com is where the Java drivers for these devices are defined.
> Its been a few years since I did work in this area so I don't know if
> this is going to be helpful or not.
> Regards,
> John Lange
> On Sun, 2003-12-28 at 20:02, Sean A. Walberg wrote:
>>Has anyone played around with LCD character displays under Linux,
>>perhaps with something like LCDProc?  (I'm talking 2x24 character and
>>the like, not LCD display panels)
>>If so, any recommendations on serial LCDs?  I've been playing with
>>Hitachi 44780 displays and microcontrollers lately, but it's a parallel
>>display and LCDProc's interfaces to it are through parallel ports. 
>>There are several serial LCD products out there, and I'm trying to weigh
>>the work of building a serial interface to it vs just buying a serial
>>For those that have no idea what I'm talking about, this would let you
>>display things like load average and memory utilization on the front of
>>a headless computer.  Throw in some switches, and you can safely power
>>down a box without having to ssh in or fiddle with KVMs.  Cobalts have
>>them, you can even fiddle with IP addresses from the front panel.
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