At the prompting of friend and inspiration Brady Pamplin W5LH, I sat for and passed both the Technician and General Class exams for amateur radio operator at HamCon last month. I now have limited privileges on limited frequencies. This has been something I have wanted to do since I was a Scout (they were called Boy Scouts in my time).
While I was originally issued a ‘systematic’ call sign of KI5FDS (kilo india five foxtrot delta sierra, aka “First Dale in Space”), I applied for and was granted a modification for what is known as a ‘vanity call sign’, which came in today. I can now get ‘Radio Operator’ license plates that say “KI5SME”, as well as participate in important disaster preparedness exercises such as Field Day.
A short dissection: The prefix “KI5” is the currently available code for new licensees in Region 5 (Arkansas, Louisiana, Mississippi, New Mexico, Oklahoma and Texas). The suffix “SME” could stand for “subject matter expert”, but it really stands for “someday, maybe Extra”, referring to the “Amateur Extra” class that is the next higher level after General. The official definitions are available at the FCC web site.
The more observant amongst you may have noted a striking, yellow banner emblazoned across the top of each and every one of the pages of this, your favorite web destination. What could be behind such a serious and dire notification? Rest assured, nothing was amiss. I simply wanted to let you know that I would not be able to ship your orders until Monday, because I had slipped the leash, jumped on a plane and jetted to Seattle to help celebrate my granddaughter Olivia’s third birthday. Now I am returned, everything is as it was, orders are shipping as scheduled and I hope you agree with me that it was totally worth it.
Today I’m happy to announce a new addition to my blinky LED kit line-up, the aptly-named “12 LED circle”, or 12LEDcircle for short. It’s a small, round PCB with 12 bright blue LEDs around the edge. It comes with a pre-programmed microcontroller that lights up the LEDs in various mesmerizing patterns. You can see a demo of the various blinky modes on my YouTube channel.
I wrote another book. This time it’s about building your own electronics lab, titled Building Your Own Electronics Lab. It gives the reader a gentle introduction to electricity and electronics and how to safely learn and play with them. Basic tools and components are discussed and some simple starter projects are presented. The main idea that I tried to put forward is that the electronics hobby is fun. It’s also fun to share with others.
Both paperback and e-book versions are available from Amazon.com, or find it at your favorite bookseller using the ISBN 978-1430243861.
I’ve updated the popular Lux Spectralis kit. The circuit still does exactly the same thing (blinks multi-colored LEDs). I simplified the whole thing and reduced the component count. This will make it easier to assemble. You can download your own copy of the assembly instructions.
The new Lux Spectrlais 2 kit uses three separate LEDs for the red, green and blue color channels. This will make it much easier to modify for custom color combinations. The new PCB is a little bit smaller than the previous version. It uses electroless nickel immersion gold (ENIG) plating on all the electrical contacts, which has its own advantages, electrically, but I did it because it’s more beautiful and contrasts well with the black solder mask.
The kits still comes with a 3xAAA battery holder with a built-in power switch. The lighting modes are identical to the previous version. The price remains the same.
Over the summer, I wrote a book about Arduino internals, called Arduino Internals. It is being published today by Apress. It has a lot of detailed information about Arduinos as well as Atmel AVRs. There are several projects in the book that illustrate some of the topics. It’s a paperback book that runs to just over 350 pages. There’s also an “ebook” available in several popular formats.
You should be able to buy your very own copy today from Amazon with a nice little discount and free Super-Saver shipping. You can also go to your favorite book seller and buy a copy. Just use the ISBN number 978-1430238829. To buy the ebook, go to the book’s page on the Apress web site, apress.com.
This was a very exciting project for me. It’s my first book. I hope you enjoy it.
Update: The publication date has been bumped to November 16, 2011. I don’t know why.
I’m going to Maker Faire this weekend, May 21st & 22nd! Most of the time, I’ll be in or around the Maker Shed, explaining how vitally important it is to have more blinky LEDs in your life. I’ll also be making a couple of short presentations. Saturday at 11am I’ll be talking about the Breadboard Arduino project. Sunday at 4:30pm I’ll demonstrate the Tiny Wanderer robot. If you can, please come out and say hi!
You can build the Wee Blinky kit using incandescent bulbs instead of the supplied LEDs. Just omit D1, D2 (the LEDs) and R1 and R4 (the current-limiting resistors for the LEDs). Connect one lead of an incandescent bulb to the bottom lead of where the LED was supposed to go, then the other lead to the bottom lead of where the resistor was supposed to go. Repeat for the other side.
Here is a YouTube video using 12V incandescent bulbs: