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Displaying graphics on an oscilloscope
[Andrew Rossignol] was curious one day and decided that he wanted to display graphics on an oscilloscope after playing around with the X and Y inputs. [Andrew] started out with a resistor ladder on...
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Want to play Pong on your Oscilloscope?
I always have! I don’t know why, but I like the idea of using an oscilloscope screen as a general use video display. Why not? In my case it sits on my desk full time, has a large screen area, can do...
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Retrotechtacular: The Blit has given me access to the power of multiprogramming!
We normally try to be descriptive with our titles. But when that statement pops out of the narration with notable excitement it made us chuckle. This installment of Retrotechtacular is a promotional...
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Building sensors for the Scratch programming language
[Kevin Osborn] is making it a bit easier for young programmers to write programs that interact with the physical world. The device he’s holding in the picture is an Arduino based accelerometer and...
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An Open Source GPU
Unless you’re bit-banging a CRT interface or using a bunch of resistors to connect a VGA monitor to your project, odds are you’re using proprietary hardware as a graphics engine. The GPU on the...
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A GPU for an Arduino
As the creator of the Gameduino, a shield that adds a VGA port and graphics capability to any Arduino, [James] knows a little something about generating high quality video with a microcontroller. His...
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Reverse Engineering the Sony Ericsson Vivaz High Resolution 640 x 360...
In our opinion, reverse engineering may be one of the best ways to tease your brain. [Andy] just did that by reverse engineering the Sony Ericsson Vivaz high resolution LCD (cached copy here). In his...
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Open Source GPU Released
Nearly a year ago, an extremely interesting project hit Kickstarter: an open source GPU, written for an FPGA. For reasons that are obvious in retrospect, the GPL-GPU Kickstarter was not funded, but...
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Using Tetris Like MS Paint
Check out Samus looking boss in this pixelated image. Who would have thought of using Tetris as a canvas for these types of graphics? Coming up with the original idea of strategically clearing and...
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Retrotechtacular: The Early Days of CGI
We all know what Computer-Generated Imagery (CGI) is nowadays. It’s almost impossible to get away from it in any television show or movie. It’s gotten so good, that sometimes it can be difficult to...
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Better VGA On The STM32F4
[Cliff] is pushing VGA video out of a microcontroller at 800×600 resolution and 60 frames per second. This microcontroller has no video hardware. Before we get to the technical overview, here’s the...
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Better 3D Graphics On The Arduino
There are cheap LCDs available from China, and when plugged into an Arduino, these displays serve as useful interfaces or even shinier baubles for your latest project. [Michael] picked up a few of...
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Amazing Oscilloscope Graphics
From what we can understand, [ompuco] has built a 2D audio output on top of the Unity game engine, enabling him to output X and Y values from his stereo soundcard straight to an oscilloscope in XY...
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How An Amiga Graphics Business Ran In The 1990s
If you have ever used an eraser to correct a piece of pencil work, have you ever considered how much of an innovation it must have seemed when the first erasers were invented? It might seem odd to...
View ArticleLinux Graphics Programming
There was a time when embedded system developers didn’t need to worry about graphics. When you have a PIC processor and two-line LCD, there isn’t much to learn. But if you are deploying Linux-based...
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Joe Kim: Where Technology and Art Collide
The rewards of being a writer for Hackaday are many, but aside from the obvious perks like the secret Hackaday handshake and admission to the private writer’s washroom, having the opportunity to write...
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Retro Rebuild Recreates SGI Workstation Demos On The Go
When [Lawrence] showed us the Alice4 after Maker Faire Bay Area last weekend it wasn’t apparent how special the system was. The case is clean and white, adorned only with a big red button below a 7″...
View ArticleBlazing Fast Raspberry Pi Display Driver Will Melt Your Face then Teach You How
Reader [poipoi] recently wrote into our tip line to tell us about an “amazingly fast” Raspberry Pi display driver with a README file that “is an actual joy to read”. Of course, we had to see for...
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Zach Archer: Live Coding 500 Watts For ToorCamp
ToorCamp is a five-day open air tech camping event held every two years somewhere around the northwest corner of Washington state. Think of it as something like Burning Man, except you can survive for...
View ArticleHDMI From Your Arduino
Creating a video signal from a computer, a job that once required significant extra hardware, is now a done deal with a typical modern microcontroller. We’ve shown you more NTSC, PAL, and VGA projects...
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