The Flood of New

A new tutorial on SMA connectors (it's good) and new products: Arduino Kit, SMA adapters, SD Sniffer, OSD breakout, function generator, ADXL335, kits, power supplies, GE864 cellphone module, we now carry books!, resistor kit, and a handful of others.

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If you're in the Denver/Boulder area and you're interested in the IEEE and automation, there's a new IEEE/Robotics society forming! Matt Taylor and Sam Siewert (one of my old university professors, oddly enough) asked us to pass the word on. The meeting is this Wednesday (7/1/09) at 7PM on the CU campus.

There's a class tonight! Napkin Schematics is the first class of the 6 week course. All are welcome to attend. We are going to try to broadcast the show live, as well as record it for later editing and posting. Check the class page for more information.

I get excited about simple things. But when Aaron came to me a few weeks back and mentioned that we should carry RF adapters - I wasn't entirely convinced. Who cares about adapting SMA to RPSMA? But as we started to talk, he showed me just how confusing it can be. He wrote a short and sweet tutorial to explain the confusing state of SMA RF connectors. Well done Aaron!

These are the two RF adapters that convert between reverse polarized SMA, normal SMA, shrouded SMA, inner nut RPSMA, whatever. It's quite weird and hard to explain, so be sure to check Aaron's SMA tutorial with nice, clean pictures.

Speaking of new stuff, we've got a lot rolling out:

We took some of our favorite bits and pieces and created an Arduino Starter Kit. The great thing about this kit is that it includes all the parts you need to hack for a significant amount of time, without anything else. We put it together as sort of an answer to the question: 'What would I give my niece/nephew/son/daughter/friend to get started with microcontrollers?' Kit includes some good inputs (linear pot, 12mm button), good outputs (LEDs, tri-color LED, buzzer), and sensors (light sensor, vibration sensor). Happy hacking.

A new breakout board for the MAX7456 is now available. This simple to use IC gives the user the ability to throw text over a video stream. Also called on-screen display (OSD) or text overlay, the MAX7456 has an SPI interface and makes it easy hook up to PAL or NTSC TVs or larger displays with an RCA type input.

Another slick little breakout board for a different IC: The AD9835 is a compact signal generator with extremely good accuracy up to 50MHz!

Speaking of Analog Devices - this is the new ADXL335, small, low-power, triple axis accelerometer. I got the chance to take a tour of the Analog Devices' fabrication plant in Cambridge, MA. I was blown away to find out that the world's supply of MEMs accelerometers and gyros from Analog Devices are fabbed in the two lower floors of a non-descript brick building in the heart of Boston, a few streets from MIT. Weird. The nice folks in the MEMs sensor group gave me a tour and took me out to lunch. Thanks ADI!

The SD Sniffer is a device that was recommended by a SparkFun customer. It's pretty simple, yet very helpful. It's a breakout board that allows you to hook an SD card into an SD socket, and expose the signal pins so that you can listen in on the data signals, SD traffic, electrical levels, whatever.

Dale Wheat is just such a neat guy, and his kits are so simple and cool, we just couldn't say no. We now carry the tinyCylon and Lux Spectralis kits. These kits are a quick, simple build and do one thing well - amaze people with LED blinking goodness.

After much beating our heads against a wall, we landed a deal with Extech to resell their excellent bench power supplies. These are not cheap supplies, these are good DC power supplies. We especially like the slim-line 80W DC switcher, but it's also the most expensive...

The GE864 is Telit's next step into miniaturization of a quad-band cellular module. Telit is the highest quality cellular module manufacturer on the market. The GE864 continues this trend with more great AT commands. You can effectively power this unit up, send it some serial AT commands, and start piping webpage and data information over the cellular network. Nifty.

The PICAXE USB Programmer is effectively the same thing as the PICAXE USB Programming Cable. The difference is this board has two on-board LEDs to show the serial data (TX and RX) being passed back and forth. Why buy this board? Because blinky things are better.

Books! Sometimes it just makes a lot more sense to have a printed thing in front of you. These two books dovetail well together. On the left, we have Getting Started with Arduino by Arduino's playboy (and co-creater) Massimo Banzi . It is a good beginner's book to Arduino and general circuit hacking. On the right is Making Things Talk written by ITP's playboy (and prolific spokesperson) Tom Igoe. Making Things Talk is a more advanced book that shows how to hook various systems and components (like Bluetooth, force sensors, and monkeys) together.

A photo gate is a great thing to have. Whether you're detecting food pellets for mice during a controlled experiment, or you're using it as a safety stop for a printer head, these IR gates will help you detect the world around you.

The 555 Timer is a very old staple of circuits and electrical engineering. While I jump on the chance to use a microcontroller any chance I get, there are still many good uses for this work horse. Being able to drive 200mA is just one of the many neat features of this timing chip.

You will need a resistor at some point in your project. It's really annoying whenever you don't have the right one. This resistor kit will have the right resistor. As SparkFun user Quazar points out, there's 365 - one for every day of the year!

Triple A batteries are a staple for many small projects. We now sell good quality AAAs.

And for the final new widget on the list, we have a 6A DC to DC converter module. 6 amps! This little guy takes 4.5V to 14V and with great efficiency, outputs a regulated 0.6V to 5.5V. Output voltage is set with an external resistor and capacitor.

Comments 6 comments

  • Kenny / about 14 years ago / 1

    FYI: The link to the AD9835 breakout board does work and searching for AD9835 only brought me back here.

    • Does work? Or does not? The link in the product description works for me:
      Let us know if there's a problem.

      • nhunsperger / about 14 years ago / 1

        The AD9835 links were broken, but are now fixed. I had the same search issue too. The problem is that when you come to the site through the news RSS feed, "news" is the default search category and not "products". Changing the search category found the product page.

  • avdhx4 / about 14 years ago / 1

    You guys couldn't have found a better time to create the Arduino starter kit; my birthday just came, and I was going to put one together myself anyway!

  • jafoca / about 14 years ago / 1

    Crap! A TON of stuff I need/want!
    I have need for all of the following for projects I am working on:
    rpsma thing
    MAX breakout
    resistor kit
    Crazy additions for me! Just what I need!

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