Fresh hacks every day
[Kasey] and [Guyzmo] have been working for the past couple of years on a side project that lets them monitor pollution using a network of sensors. They've just decided to make the project open source, both hardware and software. The details of the system are available at their GitHub repository. There are two main components to the system. On the right is a base station which collects the data … [Read more...]
If you've got a BeagleBone and an FPGA board you should give this Bitcoin mining rig a try. The hardware uses brute-force to solve hashes, looking for the rare sets that can be used as digital currency. This particular example is designed for the LOGi-bone which is an FPGA shield for the BeagleBone. But we don't see anything that would make this difficult to use with other FPGA hardware. We've … [Read more...]
Often when we see projects using embedded Linux we think of them as not being hardware hacks. But this is a horse of an entirely different color. [Matt Porter] is leveraging a little known feature to directly access a 6502 processor from inside a Linux environment. In other words, this hack lets you write code for a 6502 processor, then load and execute it all from the same Linux shell. The … [Read more...]
[Mahmut] calls this project SmartBox. It's a BeagleBone controlled LED marquee which can pull down information off of the Internet. The project started with the display itself. [Mahmut] used six 5x7 LED modules to populate a circuit board he produced himself. The low side of the modules is controlled by some MBI5026 constant current drivers, with PNP transistors on the high side. The display … [Read more...]
This mix of modern and retro acts as a standalone Pandora client. It's certainly a radio upgrade, falling somewhere in between the passive listening of traditional broadcasts, and the complete control of music players that use playlists. Inside the wooden case a BeagleBoard does most of the work. It's running Ubuntu 12.04 on which pianobar, a command line interface package for Pandora is … [Read more...]
[Jeremy Blum] wrote in to share his LibeTech QR Code Door Lock project. He developed it during his Senior year at Cornell University along with three of his classmates. It seeks to move away from magnetic card locks in favor of optical locks that authenticate based on a QR code. The hardware he's using here is definitely cost prohibitive, but we're sure the concept could be greatly simplified. … [Read more...]
[Alessandro] sent us a link to his post about a PRU software VGA rasterizer. It's not the easiest read, but we think it's worth your time. The gist of his background information is that back when his company was developing for an ARM9 processor he wanted to test his mettle with the coprocessor chips. The first iteration was to write a character LCD driver that pulled data from the main … [Read more...]
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