Board – CC3D The OpenPilot Revolution aka Revo is a board more tuned to Acrobatic flying or GPS based auto-piloting. It has three sensors, the MPU6000 SPI based Accelerometer/Gyro, the MS5611 barometric pressure sensor and the and the Honeywell HMC5883L three axis digital compass module. It also features a 16Mbit SPI based EEPROM chip. It