A few friends and myself are currently working on an Arduino controlled RC Blimp.
We already have a hull (2,2 m long, 0,8 m diameter) that has a rough lifting force of 200 g.
The next Problem, that needs to be solved is how to control such a Beast. My current idea is an Arduino Joystick (like this: arduinolearning link) and a sliding potentiometer to get an x, y and Speed input, convert that to 3 motor commands to input to an L298N Dual-H-Bridge to control 3 motors. The first motor on the bottom left, one on the bottom right and one on the top. The current plan is to use an Arduino UNO as a remote, sending the motor commands to a 433 mHz transmitter and receiving it with a 433 mHz receiver connected to an Arduino Pro Mini which tells the L298N motor bridge what the output for the motors should be. As we are all just pupils with limited to no programming knowledge we need quite some help to write an algorithm which transforms the 3 inputs to 3 x 3 outputs (each motor needs two inputs for direction and one for speed). The rest of the code should be easy enough, so that we can learn it with tutorials and other project code.
One last thing is that we also don’t really have much electronics knowledge, so if there needs to be a resistance anywhere, tell me, please.
I will attach a schematic for the whole thing from fritzing.