2019.01.08 ｜ Yuki Rea
Panasonic RC-55 Clock Radio Tear-Down and 24-Hour Modification
The Panasonic RC-55 is a gorgeous retro futuristic clock radio from the early 1980s with a vacuum fluorescent display. I purchase a new-old-stock RC-55 and modify it to have 24 hour display mode and provide scans of the original documentation in addition to tear-down photos.
2018.08.27 ｜ Yuki Rea
Examples of Poor Design, Engineering, and Implementation of Computer Systems and Their Components
I have encountered, worked on, and owned many computer systems including servers, laptops, desktops, and portables. This is a collection of the absolute worst systems I have ever had the displeasure to deal with.
2018.07.15 ｜ Yuki Rea
QEMU Virtual Machine Optimization
There are many ways of fine tuning QEMU virtual machine performance. This monolithic article contains a variety of methods to optimize and improve VM performance for different types of applications. While this article is specific to Debian 9 and QEMU, it can easily be adapted to work for other Linux distributions and applications.
2018.05.21 ｜ Yuki Rea
最高タイプ (SaikouType) ST110r2 Programmable Mechanical Keyboard Project
The SaikouType NKBM-ST110r2 is an open source, Cherry MX Mechanical keyboard project which uses a programmable Atmel AT90USB1286 Micro-controller in the form of a Teensy++ 2.0 development board.
2017.09.16 ｜ Yuki Rea
QEMU Virtual Machine PCIe Device Passthrough Using vfio-pci
When running a QEMU virtual machine (VM) on a Linux based operating system, we have the ability to dedicate PCIe devices to VMs using the vfio-pci kernel module so that the VM can control them directly.