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Posted by vinlee | Oct 30, 2010 @ 12:43 PM | 3,740 Views
Modded KKcopter Board

Replacing HK401 gyros with WMP
Set VREF to 2.5 volts by replacing R10 with a 500-Ohm trimpot.
Result: more stable.

To do:
Use external 16 MHz crystal oscillator.
Improve Mike Barton's XXcontroller code.