|May 16, 2010, 02:08 PM|
Finished board design for PhuBar 3 using ITG3200 3-axis gyro. Managed to squeeze the board size down to 30x28mm. If I solder cables directly onto the board instead of headers, and use clear shrink wrap instead of an enclosure, the whole thing should be 30x28x7mm, except for where the 5-pin programming connector will stick out from one side.
I added the fifth pin to that connector to supply 3.3v so I can use the TextStar serial terminal for field setup.
I also added connector pads for 2 general-purpose I/O connections plus ground to allow for programming the Propeller to do other functions if desired.
The 3-axis gyro will let me add rudder gyro capability, as well as use cosine-matrix math for more accurate attitude estimation.
Update: I received the boards from BatchPCB on June 1. They look really good - photo below
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