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Originally Posted by Mark McLeod
Order the EB (evaluation board). It comes in a 20 pin mount that'll fit right into a regular printed circuit board.
The other is impossible to solder without very specialized equipment.
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The ball grid array is a MAJOR pain to work with. It took a very skilled electrical tech in our building 4 hours to wire a single yaw sensor and another similar 2D accelerometer (ADXL202) with the circuit that comes build into the EB versions. The only reason we did it was to meet the $200 limit. Now that FIRST has made the limit $300 and has allowed us to use a $100 "EB" part while only accounting for a $50 "ball grid" part (see above), there is no way I would have had a team member spend that kind of time (the only benefit is that it "saves" $50 -- not worth 4 hours of a persons time).
Bottom line: Buy the EB version and run.
Joe J.