1. Choppy's front lawn has been a little less green this summer, but that's all going to change now!! I've been scheming up a plan to make a synchronized sprinkler for a few months now, and I finally just spent a weekend playing around with a few of my ideas. I had the extra servo laying around my garage from one of my many broken rc airplanes. The plastic enclosures are left over from a previous version of the rockbox. And the potentiometer was found in a pile of pots I have on my workbench. The Arduino microcontroller board I got at employee discount from Sparkfun - thank you, thank you! I love my job! And the code I learned from the many awesome examples that come with the Arduino software. I am planning on using a compass to get the sprinkler position on my next sprinkler, but the idea will basically be the same. I've almost got my code to auto-sync with the position - it works... just not every time. I know from the video, Choppy doesn't seem that excited, but when the grass starts getting greener, I'm sure he'll perk up!

    # vimeo.com/6409575 Uploaded 24.7K Plays 5 Comments
  2. Pete Lewis showing how boards are tested using Pogo Beds

    # vimeo.com/5400170 Uploaded 15.8K Plays 1 Comment
  3. We turned an AVR into a HID device that uses a touchscreen as a mouse!!!

    # vimeo.com/5582913 Uploaded 68.9K Plays 0 Comments
  4. Using a small battery powered accelerometer connected to a data logger, Pete records the G-forces of a rocket launch.


    # vimeo.com/5861013 Uploaded 10.9K Plays 0 Comments
  5. Pete Lewis shows off the TrackBaller from SparkFun Electronics. This trackball has 4 LEDs below a diffused ball which also double as a button. Pete explains how the test jig for the TrackBaller tests all of the lines and how the trackball uses Hall Effect Sensors.

    # vimeo.com/6194150 Uploaded 17.9K Plays 0 Comments

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