several lcd on one computer

ultraspider · Post by **ultraspider** » Thu Dec 06, 2001 10:20 am

can you tell me if it's possible to connect several diferent lcd screen on one computer? if it's possible can you tell me how ?

another question: what can we do with the 6 GPO on the BLK202A-4BR-BK ??? can we control fan or something? tell me what are the fonction of these GPO.

relix · Post by **relix** » Thu Dec 06, 2001 12:03 pm

It is possible to use differint LCD's in one computer, you just have to have enough COM or serial ports free (the smaller version of the printerport). Mostly there are 2 or 3 ports in a regular computer, so if you don't have any other hardware using them, you can use as many LCD's as there are comports.
It could be that there is another method (by using the I

Post by **linear** » Thu Dec 06, 2001 12:25 pm

relix is right on about the GPOs, the ones on the smaller unit ar rated for 20 mA currnet, about enough to light an LED. The idea would be to use the GPO to turn on a transistor to drive a fan. And there is another thread here about it.

ultraspider · Post by **ultraspider** » Sat Dec 08, 2001 7:54 am

what is the I

Post by **Cheese** » Sat Dec 08, 2001 10:46 am

I'm using a parallel LCD and a 12232-25 on com 2 at the same time, both driven by separate installs of LCDCneter - works very well

Cheers,

r.

Newman · Post by **Newman** » Mon Jan 28, 2002 10:44 pm

Anyone used I2C? Was it a pain? Can you use all the same programs such as LCDCenter?

Post by **Henry** » Tue Jan 29, 2002 12:03 am

On 2002-01-28 22:44, Newman wrote:
Anyone used I2C? Was it a pain? Can you use all the same programs such as LCDCenter?

No... to use I2C you require a special I2C card in your system, and they are not cheap. As well, no program has been written to handle I2C. I2C is mostly used in micro-processor and embeded systems.