LM317T Voltage Regulator with Pass Transistor

I apologize for the quality and shaky hand, but the video still shows the function of a wireless data acquisition taking place in a PID control loop. The effectiveness of the control appears very poor because the servo was not fixed to the table causing the output to oscillate. The Black box contains an IMU (inertial measurement unit), power supply (battery+voltage regulators), SSC (serial servo controller) and a Bluetooth module transmitting the inertial information back to my desktop computer which calculates the appropriate parameters for PID control. The desktop then transmits the servo instruction back to the Bluetooth module, which feeds the SSC the calculated servo position to actuate. This was one of three PID control loops which were to be implemented on a small scale rotorcraft UAV for my senior project.



http://www.youtube.com/watch?v=vTINCJipE8I&hl=en