stands for Video Graphics Array and provides a 640x820 screen resolution.
-1
votes
0answers
14 views
relatively new monitor cannot display 1024x768 [migrated]
I have a Philips monitor capable of displaying 1680x1050, which I am currently using and it works fine. But sometimes I'd like to connect this monitor to an older laptop whose native resolution is ...
0
votes
0answers
65 views
Read VGA pixel value from SRAM in VHDL
I'm using a SRAM in order to store a frame that I have to display on screen with the VGA interface. I need to read the pixel value from the SRAM and then send it to the VGA monitor. I have created a ...
-2
votes
1answer
49 views
I want to connect an HDMI mini out (on my tablet) to a VGA input in a 'smart room' that I teach in-how? [closed]
I want to connect my Asus tablet mimi HDMI to a VGA in a 'smart room' that I teach in. Can I do this so I can show art work, play you tube videos, and recorded music and PDF's on the big screen in the ...
-3
votes
1answer
53 views
displaying JPEG images [closed]
I want to display images(JPEG) stored in a SD card, I want the output to be VGA so that I can display them in readily available display modules.
Any idea on how this can be done?
5
votes
1answer
160 views
Is there an FPGA based vector graphics card project?
I have been messing around with VGA projects as my latest interest. I have a Xilinx Spartan 3E 250K FPGA, which has just barely too little RAM for a full 640x480 frame buffer. So, I'm looking at ...
2
votes
3answers
79 views
Video Controller Design
I'm designing my own computer based on the Zilog Z80. It has 256KiB of static RAM with paging as well as a few megabytes of flash memory. Everything is going along pretty well until * BAM * I hit a ...
-4
votes
1answer
59 views
Need for a VGA output [closed]
My device must be able to show a simple diagram on a screen of an ordinary computer monitor. I've found display drivers which could do the job, but they seem to be much more sophisticated than I would ...
4
votes
2answers
151 views
Trouble with VGA Controller on CPLD
What I am attempting to do is create a VGA controller from a Lattice MachXO CPLD in Verilog.
The Problem
I am attempting to display the color red with a resolution of 640x480 @ 60Hz using a 25.175 ...
0
votes
3answers
265 views
Vhdl VGA Problem
I'm doing a fpga project in vhdl for my studies.
I'm displaying a dog on the screen that I try to move. That works well for right, left and up but trying to make the dog go down, it moves in a ...
3
votes
2answers
100 views
What impedances do graphics cards expect on H-Sync and V-Sync for VGA monitors?
I have a graphics card for a laptop whose driver kills itself if it runs for longer than two minutes with no external monitor attached. To solve that, I decided to make a sort of dummy plug that would ...
-3
votes
1answer
86 views
How do I connect my laptop (VGA port) to a TV (HDMI port only) [closed]
I have a laptop which has a VGA port only. I want to connect it to a TV which has a HDMI port only. As expected, the TV has a HDMI cable only.
So, what would be the simplest way to connect my laptop ...
5
votes
2answers
716 views
VGA interfacing with PIC
I'm looking for a way to control a VGA screen with a PIC. External components are OK, so a VGA chip with I2C or SPI or something is okay too.
Requirements:
Resolution: max 1024x768, no minimum
...
5
votes
4answers
321 views
Can we attach LED to VGA port and make it light up, the same way we do in Parallel Port?
I just connected an LED to a parallel port in my PC and controlled it successfully through inpout32.dll
I was wondering, if it was possible to do the same with the VGA port. Where can I find ...
3
votes
2answers
245 views
Custom VGA output : what resolutions are expected to work?
I am thinking of creating a device which displays graphics and animation to generic computer display with 16:9 aspect ratio via analog interface (D-sub).
The question is which resolutions are ...
1
vote
2answers
368 views
male-male VGA cable wiring
I need to build a VGA cable (assemble connectors to wire).
I need a male-male cable.
Is its wiring straight or cross? (should i connect 1-1,2-2,... or something else)
Thanks
6
votes
2answers
185 views
Does VGA have to be drawn at 60hz?
I'm wanting to generate a VGA signal hopefully as painlessly as possible.
I have an odd question though. Everywhere I see that VGA requires a 25MHz clock for the sync signals.
Is it possible to ...
2
votes
1answer
775 views
image distortion generating VGA signal on STM32 f4 using DMA
I'm trying to build a video generator using the STM32f4 (168MHz, using discovery board) + R ladder DAC to the VGA signal.
The idea is not to be based on a framebuffer (this would limit the resolution ...
2
votes
1answer
696 views
What is the acceptable current draw on pin #9 on a VGA connector?
I'm trying to appropriate the 5v that comes into an LCD monitor on pin #9 of a VGA connector to power a microcontroller with some sensors, and LEDs.
I've found a discussion on this topic on a ...
2
votes
2answers
471 views
How to make a VGA monitor display a white screen at all time?
I am hacking around with an old (CRT) VGA monitor. Trying to make an oscilloscope.
What I want is to make the monitor display a blank white screen at all time, when the power is connected of course. ...
-1
votes
1answer
535 views
Use laptops monitor on another computer [closed]
I just bought a new pc, but i dont have a monitor yet. Is it posible to use my old laptops (omnibook 3000) monitor with VGA cable?
Added:
Options
Old PC working as a PC - just connect somehow - ...
4
votes
3answers
2k views
How to utilize HDMI port on FPGA (basic)
Two questions.
I have a Xilinx Spartan 6 FPGA which only has HDMI ins and outs. Is there some sort of guide or pre-written code that I can use to start sending images to the screen? I have no idea ...
4
votes
1answer
249 views
Other name for VGA socket?
I need a VGA socket for my project (preferably PCB mounted but that's not reevent probably). But I can't find such a thing at any of my usual suppliers.
I presume they have some other name I need to ...
4
votes
3answers
788 views
What's the simplest way to generate a VGA signal for a totally white screen? Preferably with an AVR MCU
I'd like to make a simple board to plugin a LCD monitor and get a blank white screen. The idea is to use any monitor as a makeshift light table. I have a preference for 8-bit AVR micros since I have a ...
5
votes
2answers
2k views
FPGA VGA Buffer. How to read and write?
I have an Altera DE2 board and trying to draw sprites. I am having some trouble implementing a screen buffer.
I have a display entity that at a 25 MHZ rate outputs pixels for vga display.
I was ...
1
vote
0answers
510 views
NTSC -> ADC -> USB. A video digitzer circuit
I'm working on a project that ultimately needs to incorporate an analog video camera input, digitizing it and spitting it out a USB port as an MPEG stream. My general aim is for roughly a VGA ...
6
votes
3answers
1k views
vga to hdmi converter
I'm making a little project purely as a hobby using a small fpga breakout board.
I'm outputting vga video which works fine, but would like hdmi output instead so I can connect to a television that has ...
7
votes
5answers
399 views
Spacewar on microcontroller
First of all I need to say that I have almost no experience with programming microcontrollers (aside for some Arduino stuff). I have worked with C (and x86 ASM) on some low level projects (think of ...
1
vote
3answers
545 views
RAM device / timings for small VGA project
For a personal hobby project I'm looking to make a small vga display using an fpga. I was thinking of making the display 640x480 pixels with one byte colour per pixel at 60hz (I believe those timings ...
2
votes
5answers
470 views
Is it safe to assume that all pins in a standard VGA cable are wired?
I am currently in the process of designing a custom arcade-style
joystick console for use with emulators on my PC. My design separates
each joystick console from a single keyboard-encoder "hub" such ...
9
votes
2answers
597 views
What are 'return' pins?
On a VGA connector, there are numerous 'ground' pins. Three of these are Red return, Green return and Blue return; But why does each color component have its own ground pin?
3
votes
3answers
316 views
VGA monitor as the display for VHS player
How do I connect an LCD monitor to be the display for a VHS VCR?
9
votes
3answers
8k views
