Quote:
Originally Posted by de_
1) Does anyone know what gyros were in previous First kits (or how to interpret the printing on the gyro case) ? I'm using one mounted on a dark green PCB for testing.
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I just noticed that unless it was in a PM, nobody ever answered this original first part of your question.
The 2006 KoP gyro was on a dark green PCB. There were two mounting holes in the center of the board, with the silkscreened lines "YRG" and "RevNC" on it. The most distinguishing characteristic of this board, however, was that the silkscreen for the connections for J21 and J22 were INCORRECT. J21 read "G 5 T" and "B W R". (It should have said "B R W".) Similarly, J22 read "G 5 R" and "B W R" but should have said "B R W". The actual gyro chip used in 2006 was an AD22304, which is an 80-degree/second gyro, with the "T" output varying by 12.5 mV per degree per second of rotation.
The 2007 KoP gyro was on a light green PCB. It has a similar pair of mounting holes in the center, but the silkscreen between the mounting holes said "YRG" "BD". The silkscreen for the output connections (J9 and J10) for this board contain the correct "G 5 T" "B R W" and "G 5 R" "B R W". The actual chip used in 2007 is an ADXRS150 which is a 150-degree/second gyro, with the "T" output varying by 12.5 mV per degree per second of rotation.
The 2008 KoP gyro (as you probably already know) is on a red PCB.
Which of the older gyros are you actually using?
NOTE: Since the 2006 KoP AD22304 gyro has the same "sensitivity" as the 2007 KoP ADXRS150 gyro, they will both work with the same #define in Kevin's code (#define ADXRS150) although the 2006 gyro will saturate more easily on high rate turns.
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