Help!!! needed for 3rd year Aeronautical Enigneering Project Auto pilot

[darfung]

I am new to this forum
but i would like to have some advice and info for my 3 rd year project
as the title says it is a auto pilot system for a model plane
i am thinking of using 2 gyros fixed perpendicular to each other and use a microprocessor to control my aircraft once it is in flight

currently i need help with a bit of research as i need circuit diagrams for the servo
reciver and gyro
futaba serovo S3003
a reciver: Futaba RX R168DP/35
and a Gyro:GY401
it will be a great help if someone can point me in the right direction to obtain the circuit diagrams so that it is possiable to match the impedance of every component and not blow them up on my first power up

i will keep this thread updated on my progress
i would love to hear everyones sugestions

[zlite]

Gyros drift. You'll need accelerometers to calibrate them, too.

[octane-link]

This seems a rather ambitious project for a 3rd year. I am a 4th and it seems ambitious for me.

I don't know that there are any circuit diagrams out there for those components, but I know that the receiver and servos and gyros will work together and they will work with a 5V microcontroller. I have done this, so I do understand.

One thing though, how do you plan on tapping into that gyro to read the angular rate? Those gyros work on a closed-loop principle, so you would have to open it up and solder your own leads to it. You might think about a cheaper gyro that is just the gyro without the control part.

[darfung]

ok thanks for the info so far
as you may know the gyro is a componet itself which i will be able to measure the feedback from it after a reaction
and with a A-D converter it will be possiable to curvert it into a signal that can be read by a microprocessor which will then be able to change the control surfaces on the aircraft
hopefully with a fast enough porcessor it will be able to control all the surfaces as fst as possiable.

[macboffin]

Note that if you mount one giro slanted fore and aft at 45 degrees it will respond to roll and yaw ; and correct for both if connected to rudder servo only. Like 3 giros for the price of two! Aerodynamically speaking good also ; preferable to pick up a low wing with rudder than with aileron, which at slower speeds can induce a tip stall.