H13VGA

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Hive13 Project
microcontroler VGA
[[<flickr>5106460948|200px]]
Status: Inactive
Start Date: 2/8/2011

Overview

Summary

The plan is to display synchronized, low-res graphics to multiple VGA displays simultaneously. Specifically, we have a couple dozen surplus VGA displays at the Hive, and I'd like to turn them into a low cost video wall of some kind. Cheapest hardware possible is the goal.

At the moment I'm just collecting links to useful resources.

Project Manager

Chris Davis

Contributors

• Anybody

Project Status

Currently in brainstorming stage

Project Needs / Factors

Just off the top of my head..

• Learn something new - Propeller chip, FPGA, VHDL, Verilog, VGA interfaces, low level multidrop serial networks, etc
• Reuse of existing libraries, code, designs
• Cheapest circuit possible to drive a VGA display

Project Updates

Feb 8, 2011.

Started project page

Links

VGA info

• VGA Signal Timing - http://tinyvga.com/vga-timing

AVR

• Arduino B&W video library - http://code.google.com/p/arduino-tvout/
• http://hackaday.com/2010/10/24/hackvision-is-build-your-own-retro-game/ (check comments too)
• http://www.wayneandlayne.com/projects/video-game-shield/
• http://avga.prometheus4.com/index.php
• B&W VGA on an ATtiny45 http://www.alfersoft.com.ar/blog/2011/08/30/scoreboard-part-1-vga-signal-from-an-attiny45/

FPGA

• F18A - http://codehackcreate.com/archives/30
• Article about the F18A - http://www.eetimes.com/design/programmable-logic/4213192/Creating-the-F18A---An-FPGA-based-TMS9918A-VDP
• FPGAArcade - http://www.fpgaarcade.com/
• FPGA based module - needs external video DAC, connectors - http://www.mylium.es/pages/en/products.html
• OpenCores VGA controller - http://opencores.org/project,vga_lcd
• XESS XuLA FPGA VGA interface - http://devbisme.webfactional.com/blogs/devbisme/2011/06/02/simple-vga-interface-xula-fpga-board
• http://www.fpgaarcade.com/av.htm

Propeller

• http://www.parallax.com/propeller/
• http://propeller.wikispaces.com/Video+Generator

• Propellurino ( Arduino Shield )

• German project with 3 prop chips, ethernet, VGA, SD card - http://hive-project.de/
• English translation - https://sites.google.com/site/robothomeschool/home/hive-project

XMOS

• XMOS based homebrew videogame platform with VGA - http://www.xcore.com/projects/x-one-xc-2-video-console
• https://www.xcore.com/groups/xmos-video-interest-group-xvig
• https://www.xcore.com/projects/search?Keywords=vga&view_name=projects&view_display_id=page&view_args=&view_path=projects&view_base_path=projects%2Fsearch&view_dom_id=1&pager_element=0

Agnostic / Misc / Other

• Microcontroller VGA Interface projects - http://tinyvga.com/
• Various embedded VGA projects - http://www.electronics-lab.com/blog/?tag=vga
• List of homebrew video consoles - http://zuzebox.wordpress.com/category/x-one/
• External board with serial interface - almost what we want, but no graphics - http://www.microvga.com
• External board, SPI interface, text only - http://www.televox.pl/index.php/ELEKTRONIKA/TeleVGA/

• Blueboard-lpc214x - http://www.prlog.org/10325643-low-cost-and-open-lpc2148-development-board-launched.html
• http://code.google.com/p/blueboard-lpc214x/
• LCP2148 - http://www.pbjtech.com
• PIC - http://www.micro-examples.com/public/microex-navig/doc/089-pic-pal-tv.html

• discussion of options - http://forum.sparkfun.com/viewtopic.php?f=11&t=20864
• more discussion - http://www.embeddedrelated.com/usenet/embedded/show/122622-1.php

• VGA / ps2 breakout for breadboard - includes 2 bit DAC resistors.Designed for propeller boards, fine for breadboards
• DB15 breakout - No resistors