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Arduino Programming

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  • Rostislav P.

    I finally got my arduino nano v3.0 ... I'm having some problems getting it to work. I will bring it to the meetup. Currently it is loaded with a LED blinking example.....

    September 5, 2013

  • Rostislav P.

    I thought of an interesting challenge for our next meetup.... Try to make the most realistic looking flickering candle flame with an LED and a micro controller.... You've probably seen them at restaurants.

    August 9, 2013

    • Duncan B.

      did someone say "random()" ?

      August 10, 2013

    • Edwin A.

      is a candle's flame actually random with the flickering? hmmmm.... I bet it's one of those things that can be better modelled with some weird math, like fractals or something

      September 4, 2013

  • Edwin A.

    Oh come on, Saturday morning. There's a soccer game every Saturday morning!

    September 4, 2013

  • Rostislav P.

    Also, lets try to focus a little on sensors so that we can interact with the real world... a while ago my friend showed me a mass air flow sensor for his car and the design popped out at me... all it was is a light bulb filament without the glass surrounding. A current ran through the filament and when wind blew on it, it cooled down and the current flow increased. All you had to do was measure current. With Arduino's MAP function this should be easy to do. I learned about the map function from Duncan and that pulled me away from PIC to Arduinos....

    August 9, 2013

    • Duncan B.

      Nope. Looks like they use a temp to voltage chip and then read as an analog voltage and calculate temp in software library. Chip is TMP36. see page at www.ladyada.net/learn/se­nsors/tmp36.html‎ for use of the chip with the Arduino.

      August 12, 2013

    • Rostislav P.

      If I do a voltage divider with a thermister.. would it be linear?

      August 12, 2013

  • Rostislav P.

    Anyone want to watch movies about robots?

    August 11, 2013

  • Elliot

    Hey, I just received my new Arduino Esplora. I could not resist after seeing your demo Duncan. Hope to have something to show by the next meeting. Duncan, any ideas?

    1 · August 10, 2013

    • Elliot

      Great ideas, only I think I will have to return the Esplora. Apparently the RGB Led is not working. It only shows red no matter what RGB is sent. I guess that's what I get for a bargain on Ebay.

      August 11, 2013

    • Rostislav P.

      I would use a nano its in a dip package

      August 11, 2013

  • Rostislav P.

    I just ordered an Arduino Nano... hope to get it soon

    August 9, 2013

    • Duncan B.

      from China? amazing how fast it will get here.

      1 · August 10, 2013

    • Rostislav P.

      It might come after our meetup

      August 10, 2013

  • Rostislav P.

    Are there any competitions we can sign up for? I remember my second year of college my friend and i joined the micromouse competition. It was a lot of fun, id like to do it again.

    August 9, 2013

    • Duncan B.

      The trinity college fire fighting/robo waiter contest in April is a possibility. It's in Hartford CT in April

      August 10, 2013

  • Duncan B.

    I will be talking about the Arduino in two sections. The first section is targeted at beginners and will be a survey of the Arduino family of boards and chips. The second section will be at an intermediate level and will cover interrupts. Examples will be used from the area of robotics.

    August 9, 2013

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