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Thursday, May 31, 2012

Combining measurements from the L3G4200D Gyroscope and the MicroMag3 Magnetometer using a Kalman Filter

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Next up, I wanted to figure out how to combine the gyroscope and compass to provide a filtered estimate of heading. I did a little web searc...
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Sunday, May 20, 2012

SPI sharing for using the L3G4200D Gyroscope and the MicroMag3 Magnetometer with the Arduino

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Next, I decided to compare the output of the magnetometer and the gyroscope. In reading they both use the SPI interface. But according to th...
Monday, May 14, 2012

Using the L3G4200D gyroscope with the Arduino

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 The last piece of the IMU puzzle is the gyroscope (previous adventures looked at the accelerometer and the magnetometer). Once I have drive...
Thursday, May 10, 2012

Using a roomba 400 series with the Arduino (Part II)

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The next step in getting the roomba setup seems to be building out the serial cable to communicate with the device. After some googling, I f...
Tuesday, May 8, 2012

Using a roomba 400 series with the Arduino (Part I)

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The more I work with the 4WD and the steer skidding model, the more I realize a 2WD differential steering model might be better suited to th...
Sunday, May 6, 2012

Using Odometry for Dead Reckoning with the Arduino and a 4WD DFRobot (Part I)

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Now that the robot is moving better (the extra L293D chips and capacitors have improved things), it is time to start looking into estimatin...
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Thursday, May 3, 2012

Using ROS (Robot Operating System) Fuerte with the Arduino

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I decided to upgrade to the new ROS installation called Fuerte. The installation instructions are given on the wiki:  http://ros.org/wiki/fu...
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