If you were a computer enthusiast in the late 1980s or early 1990s, the chances are that one of your objects of desire would have been a Commodore Amiga. These machines based on the 68000 line of processors and a series of specialized co-processors offered the best compromise between performance and affordability at the time, with multitasking, a GUI, and graphics capabilities that were streets ahead of their competition.
The Amiga story is littered with tales of what might have been, as dismal marketing and lacklustre product refreshes caused it to lurch from owner to owner and eventually fade away from the mainstream in the mid 1990s. But it’s been one of those products that never really died, as a band of enthusiasts have kept a small market for its software and hardware alive.
Earlier this year we showed you a prototype of an unusual graphics card, a modern GPU implemented on an FPGA board that brought up-to-date HDMI monitor support to the Zorro expansion slots found in the big-box Amigas. It’s thus very interesting today to find that the board made it to market, and that you can buy one for your Amiga if you have a spare 189 Euros (now sold out but taking pre-orders for another production run). Producing any niche electronic product is a significant challenge, so it is always positive to see one that makes it.
As well as HDMI output the board features a micro SD card slot that is mountable as an Amiga volume, and an expansion header that is toured as “Hacker friendly”. Best of all though, the whole board is open-source with all resources on a GitHub repository, so as well as reading our coverage of the prototype you can immerse yourself in its internals if that is your thing.
It’s always good to see a new piece of hardware for an old computer see the light of day, though it’s fair to say this development won’t revive the Amiga platform in the way that the Raspberry Pi has for RiscOS. Still, the mere fact of an open-source Zorro FPGA implementation being released should mean that other cards become possible, so we await developments with interest.
What to do with your broken gaming consoles? Gut it and turn it into a different gaming console! Sudomod forum user [banjokazooie] has concocted his own RetroPie console from the husk of a WiiU controller — an ingenious demonstration of how one can recycle hardware to a perfectly suited purpose.
[banjokazooie] actually used an original shell for this build, but if you happen to have a broken controller around — or know someone who does — this is a great use for it. A Raspberry Pi 3 is the brains of this operation (not counting [banjokazooie]), and it features a 6.5″ HDMI display, a Teensy 2.0 setup for the inputs, a headphone jack with automatic speaker disconnection, dual 3400 mAh batteries, an external SD card slot, and a lot of hard work on the power supply circuit — although [banjokazooie] reports that the hardest part was cutting to size a custom PCB to mount it all on. The original plan was to see if the idea was possible, and after a three month effort, it appears to work beautifully.
A few years ago, [Kingpin] a.k.a. [Joe Grand] (A judge for the 2014 Hackaday Prize) designed the most beautiful electronic prank ever. The BSODomizer is a simple device with a pass-through connection for a VGA display and an infrared receiver. Plug the BSODomizer into an unsuspecting coworker’s monitor, press a button on a remote, and watch Microsoft’s blue screen of death appear. It’s brilliant, devious, and actually a pretty simple device if you pick the right microcontroller.
The original BSODomizer is getting a little long in the tooth. VGA is finally dead. The Propeller chip used to generate the video only generates text, and can’t reproduce Microsoft’s fancy new graphical error screens. HDMI is the future, and FPGAs have never been more accessible. For this year’s DEF CON, [Kingpin] and [Zoz] needed something to impress an audience that is just learning how to solder. They’ve revisited the BSODomizer, and have created the greatest hardware project at this year’s DEF CON.
[danman] has been playing around with various HDMI video streaming options, and he’s hit on a great low-cost solution. A $40 “HDMI extender” turns out to actually be an HDMI-to-RTP converter under the hood.
He’d done work previously on a similar extender that turned out to use a quirky method to send the video, which he naturally reversed and made to do his bidding. But non-standard formats are a pain. So when he was given a newer version of the same device, and started peeking into the packets with Wireshark, he was pleasantly surprised to find that the output was just MPEG-encoded video over RTP. No hacking necessary.
Until now, streaming video over an IP network from an arbitrary HDMI output has been tricky, [danman] has been more than a little obsessed with getting it working on the cheap. In addition to the previous version of this extender, he also managed to get a stream out of a rooted Android set-top box. That costs a bit more, but can also record at the same time, should you need to.
None of this solves the HDMI HDCP encryption problem, though. You’re on your own for that one.
(Those of you Wireshark wizards out there will note that we just swiped the headline image from the previous version of the project. There were no good images for this one. Sorry about that.)
LCDs come in a lot of sizes, and there’s a lot written about pushing pixel data out to larger displays. Smaller LCDs, like the 4, 5 and 7 inch variety, aren’t used much, because no one seems to know how to drive the things. For [Joe]’s Hackaday Prize Entry, he’s creating an open source interface for tiny LCDs, making it easy and cheap to add one to everything with an HDMI port.
[Joe]’s Open LCD Interface comes on two boards, with the first providing connections to an LCD, all the power circuitry required, and a bunch of pads to break out every IO line. The second part of the puzzle is a decoder that takes HDMI signals and drives a small LCD.
There’s another module that connects to [Joe]’s breakout board that turns the LCD into an SPI display. This means any microcontroller can drive a high-resolution display. It’s fast, too: in the video below, [Joe]’s SPI display can push pixels at least as fast as any other microcontroller-based display we’ve seen.
It’s a great project, and a by opening up the doors to millions of cheap LCDs on eBay and Alibaba, [Joe] has a great entry for the Hackaday Prize on his hands.
The reports of the death of the VGA connector are greatly exaggerated. Rumors of the demise of the VGA connector has been going around for a decade now, but VGA has been remarkably resiliant in the face of its impending doom; this post was written on a nine-month old laptop connected to an external monitor through the very familiar thick cable with two blue ends. VGA is a port that can still be found on the back of millions of TVs and monitors that will be shipped this year.
This year is, however, the year that VGA finally dies. After 30 years, after being depreciated by several technologies, and after it became easy to put a VGA output on everything from an eight-pin microcontroller to a Raspberry Pi, VGA has died. It’s not supported by the latest Intel chips, and it’s hard to find a motherboard with the very familiar VGA connector.
The number of hours we spend staring at screens is probably best unknown, but how about the technology that makes up the video on the screen? We’ve all seen a reel-to-reel projector on TV or in a movie or maybe you’re old enough to have owned one, surely some of you still have one tucked away real nice. Whether you had the pleasure of operating a projector or just watched it happen in the movies the concept is pretty straight forward. A long piece of film which contains many individual frames pass in front of a high intensity lamp while the shutter hides the film movement from our eyes and our brain draws in the imaginary motion from frame to frame. Staring at a Blu-ray player won’t offer the same intuition, while we won’t get into what must the painful detail of decoding video from a Blu-ray Disc we will look into a few video standards, and how we hack them.