2 Axis Gimbal Brushless Controller module V3 by Martinez
https://code.google.com/p/brushless-gimbal/
https://code.google.com/p/brushless-gimbal/downloads/list
This schematic and layout is open source: you can redistribute it and/or modify
it under the terms of the TAPR Open Hardware License as published by
the Free Hardware Foundation, either version 1 of the License, or
any later version. https://code.google.com/p/brushless-gimbal/