# Board - CC3D The OpenPilot Copter Control 3D aka CC3D is a board more tuned to Acrobatic flying or GPS based auto-piloting. It only has one sensor, the MPU6000 SPI based Accelerometer/Gyro. It also features a 16mbit SPI based EEPROM chip. It has 6 ports labelled as inputs (one pin each) and 6 ports labelled as motor/servo outputs (3 pins each). If issues are found with this board please report via the github issue tracker. # Serial Ports | Value | Identifier | Board Markings | Notes | | ----- | ------------ | -------------- | -----------------------------------------| | 1 | USART1 | MAIN PORT | Has a hardware inverter for SBUS | | 2 | USART3 | FLEX PORT | | Software serial is not supported yet due to timer and pin configuration mappings.