Used once for indoor testing only.bought from quadkopters.com.
Sensors and Components
3-axis Gyroscope array and 3-axis Accelerometer: MPU-6000
Supports several common RC inputs: 6 PWM channels, combined PPM, Spektrum/JR DSM2, DSMJ, DSMX satellites, and Futaba S.Bus receivers
Simultaneous support for multiple receivers
ReceiverPort functions (configurable): 6 PWM input channels or combined PPM stream, 4 PWM output channels
MainPort functions (configurable): serial telemetry (default), GPS, S.Bus, Spektrum/JR satellites
FlexiPort (configurable): serial telemetry, GPS, Spektrum/JR satellites, or I2C peripherals (under development)
10 PWM outputs to servos or ESCs, or for camera stabilization
Camera stabilization: supports up to 3-axis camera mounts with stabilization and manual control from any of configured receivers
Onboard USB connectivity for easy configuration
USB and serial telemetry and configuration (including wireless with optional radio modules)
Supported by powerful OpenPilot GCS
4 Mbit onboard memory
3C Quaternion based complementary filter running at 500Hz
Price: 2250 + shipping