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Which sensors are connected to which analog pins on the ArduIMU v2?

Posted by Mike Mogenson on July 27, 2010 at 11:33am
Hello, can someone tell me which sensor is read by which analog pin in the ADC section of the ArduIMU code?

For example, it looks like the pitch accelerometer is on pin 0 and the variable mapped to the pitch accelerometer is AN[0].  I can't figure out some of the rest.  Reading analog pin 1 in a test program looks like its giving me the roll accelerometer.  However, when I serial print AN_OFFSET[1]-AN[1] in the arduimu code, the value is a flat zero.

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Tags: analog, arduimu, pin, pins
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  • Mike Mogenson July 27, 2010 at 12:23pm
    After looking though the board schematics it looks like the x acel = pin 0, y acel = pin 1, z acel = pin 2, z gyro = pin 3, x gyro = pin 6, y gyro = pin 7 where x is pitch, y is roll, and z is yaw.

    When I test the gyro pins 6, 7, and 3 with a simple print analogRead() to serial program, the results are static. Are my gyros broken?

    As a side question, which sensor corresponds to which variable, AN[0] to AN[5] in the arduimu program?
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