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  • Blog Post: Pumpkinduino Part 3, thinking about the hardware

    Previous: IOT: Pumpkinduino UML, part 2 So what embedded device should I use in the Pumpkinduino?  (The pumpkin is shown to the right, lights not shown because they are weak little things and I used a flash.) An Arduino Nano with a radio? An UNO with a Bluetooth Shield or similar on it? Spark.IO...
  • Blog Post: IOT: Halloween Fun! Pumpkinduino! Part 1

    next: IOT: Pumpkinduino UML, part 2 I just got back from the Lowe’s Home Improvement Store, which has seasonal items for Halloween, and home improvement stuff like dishwashers, lumber, hammers, etc.  In my bag I have a pumpkin that uses 3 AA batteries to power either a single led or double led,...
  • Blog Post: Arduino Netduino Spark.IO: Building a Win 8 app that consumes Spark.IO output part 2: Model View Controller sort of

    These blog entries will jump about as I write them, if you are a regular reader then you understand, if you just dropped in from the internetosphere, then it will seem a little jumpy.  In fact if you just jumped in from the internetosphere for the first time,  then you need to read the disclaimer...
  • Blog Post: Arduino Netduino Spark.IO: Building a Win 8 app that consumes Spark.IO output part 1: Class Diagram

    Note to Cordana: Find out how to extend the Main title before the punctuation symbol colon… Building an Windows 8 app to consume the Spark Core generated javascript/ecmascript, might be a little scary, there are two languages involved, processing.io and C#.  Also, you have to get your Spark connected...
  • Blog Post: Arduino Netduino: Spark.IO Windows 8 App

    Thanks to Jerry Nixon for his assistance in turning an otherwise awful app into one that shines, as well morphing it into a Model View thing.  You will need to flash this code into your Spark.io device (for those readers not familiar with the Spark, check it out, super cheap for the WiFi capabilities...
  • Blog Post: Arduino Netduino: Oscilloscope and Logic Analyzer

    I have been thinking about buying a nice Oscilloscope/Logic Analyzer ever since I bought that little cheapie one I bought a few weeks ago.  But then I thought that it would be cool to build one.  I know how they work, and usually my needs are pretty low tech and low bandwidth.  As a result...
  • Blog Post: Arduino Netduino: Collecting the sensor data and displaying it using Excel

    In my previous blog: Arduino Netduino- Hall Effect Transistor and Circuit connected to the Arduino   and the blog before the first one (or former): Arduino Netduino- Hall Effect Switches, Keyes 003 Magnetic Sensor   We were able to get the Hall Effect Switch working and to see how we could...
  • Blog Post: Arduino Netduino: Hall Effect Transistor and Circuit connected to the Arduino

    Using the circuit described in a previous blog post: http://blogs.msdn.com/b/devschool/archive/2014/06/16/arduino-netduino-keyes-key-switch-module.aspx Switch the wire on post 1 that connects to the port D2 on the Arduino from the switch to the working Hall Effect device Pin 3.  Now run the previously...
  • Blog Post: Arduino Netduino: Hall Effect Switches, Keyes 003 Magnetic Sensor

    In the Sunfounder sensor treasure chest of 37 sensors, there are a number of simple switches, relays and so forth, and the Hall Effect is one of these sensors, but it’s different.  Most of the sensors uses some sort of change in resistance, but the Hall Effect is quite a bit different, it uses a...
  • Blog Post: Arduino Netduino: Hall Effect, Keyes 003 Magnetic sensor and the General Theory of Electromagnetism

    Hall Effect or Magnetic ring, in my blogs I have discussed both, and both of these devices detect magnetic fields.  As you may know, from Maxwell’s General Theory of Electromagnetism, we discover that many professors struggle with making electromagnetism fun!  Ok, that wasn’t the point, if...
  • Blog Post: Arduino Netduino: Keyes KY003 Hall Effect Transistor in Sunfounder kit, the real deal

    Well it has always been tricky to get circuits to work, but the information can be difficult to figure out and with kits like the Sunfounder you are go to find pin-outs are not correct.  After a few hours of study, I figured out how to make the KY003 or 03 KEYES Arduino Hall Magnetic Sensor Module...
  • Blog Post: Arduino Netduino: Keyes Key Switch Module

    All right this is an easy one, it is just a switch, with a resistor, just like the previous sensor blog, except this one is activated by someone or something pushing it.  What about that Magnetic Hall effect transistor lab, well, that sensor looks like another sensor, and the output is odd, might...
  • Blog Post: Arduino Netduino: Consider the Spark.IO, lots of low cost configurations

    Got to love the Spark.IO device, which I have been ignoring while I worked with the UNO and Netduino boards, mainly because the use of Wi-Fi, while cool is not really an option in large events.  And a large event is anything that jams the local Wi-Fi transceivers.  This jamming happens at most...
  • Blog Post: Arduino Netduino: What does it cost to use the Microsoft Cloud/Azure Service Bus?

    If you have an MSDN (not MSDNAA or DreamSpark) subscription, then you get the level of support provided by MSDN, it will likely vary so I won’t quote the monthly amount available.  (Ok, it’s $150 per month provided to you for no cost on 6/12/2014.) So here is the cost for messages, and we will be...
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