The question of “why doesn’t
sudo cd work?” has come up a couple times in the
last few weeks. I figured that the explanation would make for an interesting
The ESP8266 micro-controller makes a great Internet-of-Things device. It’s cheap, easy to use (especially via the Arduino IDE), and has been quite reliable for me. Here’s a description of how I used one to allow remote control of my garage door via the Internet.
I recently connected my garage door to the Internet using an ESP8266. More on that topic in another post. This post covers some research I did after discovering that one of my garage doors opened every time the power was removed from the ESP8266 and re-applied.
I recently purchased my own sword, for use at the SCA, and built a scabbard for it. A scabbard serves two purposes; first as protection for the blade while the sword is stored or in transit, and second it can be used as a defensive weapon while fencing.
Like many people, I often read in bed. However, my wife doesn’t really appreciate me having the overhead lights on when she’s trying to sleep. I decided to solve the issue by building a more targeted reading light. Here’s a brief description of the project.