Ian Stallings: web logofficial chickenâ„¢My Last Post- December 28, 2005 Yesterday I posted about almost burning my house down because of a li-po battery and my ignorance. In the post I captured the emotion I felt at the time by using the words OH FUCK. The thought of a fire in my family's home with my daughter and my immediate family brought nightmares to mind. So I posted about it and how to avoid such situations. But I got this response:"Does this really belong on the main weblogs.asp.net page Please use some discretion, especially if you choose to put profanity..http://weblogs.asp.net/jmoon/archive/2005/12/28/434110.aspx Lithium-Poly Batteries and Safety- December 27, 2005 Over my X-mas break I attempted to put together a remote control plane (1.5 MB image) I intend on using as my first UAV. My first order of business was to get my electronics hooked up correctly and working on the bench and then proceed to the assemble the fuselageand mount it. This is how the "incident" began. I was working with a friend and we hooked an 10A electronic speed controller (ESC) to the battery, then to the reciever. The engine channel would not respond so I hooked up a servo to...http://weblogs.asp.net/jmoon/archive/2005/12/27/434072.aspx NIST Dictionary of Algorithms and Data Structures- December 14, 2005 My friend Jesse pointed out that the US National Instititute of Standards and Technology has a great dictionary of algorithms and data structures. Some of these I have never even heard of. I am pretty amazed at the sheer size of this dictionary. For instance I've heard of Soundex, but I've never heard of a Jaro-Winkler. I'll put this nice addition in my toolbox. It may come in useful.http://weblogs.asp.net/jmoon/archive/2005/12/14/433122.aspx A Month of "Free Time" and my IPod- December 12, 2005 Everyday I take the commuter train into work. I've been doing this since October to get to my job in downtown Washington DC. The commute is 1.5 hours each way. After doing a bit of math I realized that next year at this same rate I will spend 32.5 days on the train! Over a month! That's a lot of time spent doing nothing. So I read. But you can only read so much so I bought a new IPod video and have been watching Battlestar Galatica, Lost, ripped movies, etc. This thing has really been a "sanity.http://weblogs.asp.net/jmoon/archive/2005/12/12/432983.aspx Euler Angles vs Tait-Bryan angles..- December 5, 2005 So in my study of using Euler Angles to represent rotations in euclidean space I came across the following quote that you can find all over the place:"To add to the confusion, flight and aerospace engineers, when using yaw, pitch, roll (also called heading, attitude, bank) to refer to rotations about the x, y, z axes, respectively, often call these the Euler angles. These x-''y''-''z'' angles are properly known as the Tait-Bryan angles,.."Wikipedia on Euler angles: "Euler angles are the...http://weblogs.asp.net/jmoon/archive/2005/12/05/432364.aspx |