Transcend DrivePro 200 Hack to Stream and Script; Begs for More

Transcend markets their DrivePro 200 camera for use as a car dashcam. We’re a bit surprised at the quality and apparent feature set for something relegated to a rather mundane task as this. But [Gadget Addict] poked around and found a nice little nugget: you can live stream the video via WiFi; the framerate, quality, and low-lag are pretty impressive. In addition to that, the next hack is just waiting for you to unlock it.

As it stands right now you turn on the camera’s built-in WiFi AP, telnet into two different ports on the device (sending it into smartphone connected mode) and you’ll be able to live stream the view to your computer using RTSP. Great, that in itself is a good hack and we’re sure that before long someone will figure out an automatic way to trigger this. [GA] also found out how to get the thing into script mode at power-on. He hasn’t actually executed any code… that’s where you come in. If you have one of these pull it out and get hacking! It’s a matter put putting files on the SD storage and rebooting. Crafting this file to enable shell access would open up an entire world of hacks, from things like time-lapse and motion sensing to special processing and filtering in real time. We think there’s huge potential so keep us up-to-date as you find new ways to pwn this hardware.

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Passion Project Turns BeagleBone into Standalone Super NES

So you want to play some retro games on your BeagleBone, just load up Linux and start your favorite emulator right? Not if you’re serious about it. [Andrew Henderson] started down this path with the BeagleBoard-xM (predecessor of the BeagleBone Black) and discovered that the performance with Snes9X wasn’t quite what he had in mind. He got the itch and created a full-blown distro called BeagleSNES which includes bootloader and kernel hacks for better peformance, a custom GUI, and is in the process of developing hardware for the embedded gaming rig. Check out the documentation that goes along with the project (PDF); it’s a blueprint for how open source project guides should be presented!

The hardware he’s currently working on is a Cape (what add-on boards for the BBB are called) that adds connectors for original Nintendo and Super Nintendo controllers. It also includes an RTC which will stand in for the real-time clock features included in some cartridges (Pokemon Yellow). Also in the works is a 3D printed enclosure which would turn it into a portable, something like this other BBB portable hack.

Check out a demo of what BeagleSNES can do in the video after the break.

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Running Doom On The Intel Edison

A few months ago, the Intel Edison launched with the promise of putting a complete x86 system on a board the size of an SD card. This inevitably led to comparisons of other, ARM-based single board computers and the fact that the Edison doesn’t have a video output, Ethernet, or GPIO pins on a 0.100″ grid. Ethernet and easy breakout is another matter entirely but [Lutz] did manage to give the Edison a proper display, allowing him to run Doom at about the same speed as a 486 did back in the day.

The hardware used for the build is an Edison, an Arduino breakout board, Adafruit display, speaker, and PS4 controller. By far the hardest part of this build was writing a display driver for the Edison. The starting point for this was Adafruit’s guide for the display, but the pin mapping of the Edison proved troublesome. Ideally, the display should be sent 16 bits at a time, but only eight bits are exposed on the breakout board. Not that it mattered; the Edison doesn’t have 16 pins in a single 32-bit memory register anyway. The solution of writing eight bits at a time to the display means Doom runs at about 15 frames per second. Not great, but more than enough to be playable.

For sound, [Lutz] used PWM running at 100kHz. It works, and with a tiny speaker it’s good enough. Control is through Bluetooth with a PS4 controller, and the setup worked as it should. The end result is more of a proof of concept, but it’s fairly easy to see how the Edison can be used as a complete system with video, sound, and wireless networking. It’s not great, but if you want high performance, you probably won’t be picking a board the size of an SD card.

Video demo below.

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What is this thing called Linux?

It should come as no surprise that we at Hackaday love Linux above all others (that should start a nice little flamewar on the internal email list). If you still haven’t given it a whirl yet, don’t fear. Everyone starts from scratch at some point. With each passing year it becomes more and more likely that knowing something about Linux will eventually benefit every hardware hacker. Take part of your time off in the coming weeks to give it a whirl. First thing’s first, check out this quick guide on what Linux actually is.

Adafruit’s offering is pretty low level, so if you’re the kind that likes to argue “kernel” versus “OS” please keep it to yourself. For us the important distinction pointed out here is microcontroller (Arduino) versus Raspberry Pi. The Pi generally runs one flavor or another of Linux for good reasons, while microcontroller-driven systems tend to run use-specific code (with the exception of projects that leverage Real Time Operating Systems). Of course it extends past pre-fab options, Linux is a popular choice on bare-bones roll-your-own machines.

This is the year of Linux! Ha, we’ve heard that one every year for at least a decade. To us it makes no difference, you should know a bit about each OS out there. What are you waiting for? Read the guide then download (for free!) a CD image of our current favorite Linux flavor.

Simple Terminal Hack is Fit For Hollywood

We’ve all seen the cheesy hacker scenes in movies and on TV. Three dimensional file system browsers, computer chip cityscapes, and other ridiculous visualizations to make the dull act of sitting at a keyboard look pretty on the silver screen. While real hackers know those things are often silly and impractical, sometimes we do go out of our way to pretty things up a bit.

Hollywood might be able to learn a thing or two from this latest hack. [Yuri] modified his Linux terminal to change the color of the back lights on his laptop’s keyboard. It’s the kind of thing that actually would look good in a modern hacker movie, and [Yuri] is living proof that it’s something that a real-life hacker would actually use!

[Yuri] has been running Simple Terminal. The Simple Terminal project aims to build a replacement for the default xterm program that removes all of the unnecessary features and simplifies the source code. It also aims to make your terminal experience prettier. Part of making things prettier means that you can choose the font color for your terminals, and of course each terminal window can have its own color if you so choose.

[Yuri] happens to own an Alienware laptop. This laptop comes with RGB LEDs behind the keyboard, allowing you to light them up just about any color you could ever want. [Yuri] thought it would be cool if his keyboard color matched the font color of his terminal windows. Thanks to AlienFX, he was able to write a simple patch for Simple Terminal that does exactly this. Now whenever he selects a terminal window, the keyboard automatically switches colors to match the text in that window. Be sure to check out the video below. Continue reading “Simple Terminal Hack is Fit For Hollywood”

Running Debian on a Graphing Calculator

While the ubiquitous TI-83 still runs off an ancient Zilog Z80 processor, the newer TI-Nspire series of graphing calculators uses modern ARM devices. [Codinghobbit] managed to get Debian Linux running on a TI-Nspire calculator, and has written a guide explaining how it’s done.

The process uses Ndless, a jailbreak which allows code to run at a low level on the device. Ndless also includes a full SDK, emulator, and debugger for developing apps. In this case, Ndless is used to load the Linux kernel.

The root filesystem is built on a PC using debootstrap and the QEMU ARM emulator. This allows you to install whatever packages are needed via apt, before transitioning to the calculator itself.

With the root filesystem on a USB flash drive, Ndless runs the Linux loader, which starts the kernel, mounts the root filesystem, and boots in to a Debian system in about two minutes. As the video after the break demonstrates, this leaves you with a shell on the calculator. We’re not exactly sure what to do with Linux on a graphing calculator, but it is a neat demonstration.

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Arietta G25 Has Us Wondering Where ARM Boards are Going


This tidy little ARM board is the Arietta G25. It’s based around an AT91SAM9G25 which is an ARM9 chip running at 400MHz. Paired with the DDR2 RAM (in 128 or 256 meg options) to the left, the board runs Linux and runs it well. After the break you can see the obligatory running of Doom. But in this case it doesn’t just run a demo, but is playable from momentary push buttons on a breadboard (props to the Arietta team for using wire wrap for that setup).

See the vertical row of pads between the processor and the SD card slot? That’s a breakout header designed to accept a WiFi module. In at €20-30 based on your RAM choice and just €7 for the WiFi module this board is certainly a contender for any embedded Linux projects. But it does have us wondering, should be thinking of these as ARM boards, or forget the low-level development and just think of them as a Linux machines with plenty of GPIO available?

The 20×2 pin header breaks out a lot of the SAM9’s features. We really like the interactive pinout posted for this device. For instance, there are three sets of USB host lines available. But you’ll want to click on each to see that one set is in use for the SD card, and another is used by the WiFi module. The documentation that has been posted for the Arietta G25 is one of its strongest point. Nice work there!

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