Mateusz Kaczanowski Personal Blog
Have you ever dreamed of building your own cluster? Running your own service on your own machines? Now with ARM boards it is possible! You don't need much space or excessive amount of money. In this article you may see how I did it and how to control power of each ARM device separately.
After I locked up the ARM cluster in a rack cabinet, I noticed a loud noise coming from the central PSU. The recent summer heats took its toll, so it wasn't a surprise to see the devices melting inside the rack. Unfortunately, the cooling system was limited only to a few fans mounted to boards heatsinks, but nothing that would improve the internal airflow...
If you're are an embedded system beginner and you don't know where to start, this is article for you! After reading, you'll know how to build simple system with yocto/buildroot and how to boot it with qemu.
Wrapping up common GPIO operations on BeagleBone Black into a C++ library. I have been successfully using it in my home projects (ie. cluster power management) to manage pins access. It's useful to me, it might be also handy for you!