building a vga card 800X600 24 BITS COLOR

benoit · Joined: 24 Jul 2007 Posts: 177

HELLO
i will try to do a vga controller with atmega 128 and some memories ,there is lots lcd vga monitor cheaper.

1)the board will be able to manage a vga screen for photo and graphic for plot curves. at least 800X600 full color perhaps 1024X768 POSSIBLE ?
2)it will be abble to manage a sd card of 2gb , for storage and for recoed or play sounds according to several events. with a pwm amplifier
3) may be include a ethernet controller
4) a wifi or bluetooth wireless connection
5) i dont know , but all idee are well come

1) i think i can do it for manage the display (signals synchronisation ) . may be i will need help on decoding bmp giff or jpeg

2) i plan to use kokkecat fat that work well on atmega 8 for manage the sd card , play and record

3) ethernet controler ENC28J60. cheaper ? or other ? but i don t have any experience on web server

4) help may be requested for , also .

5) all idee are welcome

thank you for you comments
Very Happy

Paulvk · Joined: 28 Jul 2006 Posts: 1257 Location: SYDNEY

Hello Benoit

Sounds interesting the M1284 may be usefull for this with its 20Mhz and 16K of ram

Regards Paul

bzijlstra · Posted: Thu Oct 16, 2014 10:17 pm Post subject: no enc28j60 but a W5100

no enc28j60 but a W5100 ethernet controller.

My two cents...
Ben Zijlstra

benoit · Joined: 24 Jul 2007 Posts: 177

HELLO PAULVK
i plan to use xmega128A1 OVERCLOCKED MAY BE, will see it look like the one you describe

HELLO BEN'S
THIS CHIP COST 8 EURO it should be ok

the target price of the project must be around low coss as possible Razz