I'm trying to build a quadcopter using the Arduino Nano. I have been using the attached schematic for guidance (published online).
It depicts the signal wire of each of 4 ESCs connected to pins D7-10, and the various channels of the receiver connected to other digital pins. So it must be the case that in the code of the individual who made this schematic that the signal from the ESC is fed to the receiver? In other words, the ESCs are not directly connected to the receiver?
Also how is the receiver powered? By a single BEC (5v) from any one of the ESCs? To where on the receiver is this plugged in?
And how is the Nano powered? Also by BEC?
I'd really appreciate everyone's thoughts, Thanks for the help
Presumably the Nano is acting as flight controller. So it takes in the receiver signals plus signals from the MPU and converts them to suitable commands to the ESCs to drive the motors. I.e. signals from receiver + MPU are fed to the ESCs not the other way round.
If that schematic is all the information you have I'd suggest finding a much more detailed project to base your quadcopter on. I don't want to be too pessimistic but it doesn't sound like you have much experience of these things and designing and coding a flight controller is far from a simple task.
Steve
Steve, I appreciate your answer and help. I didn't think about it like that to be honest with you, just using this project as an exercise in PID control.
So the receiver receives input from the control sticks, the inertial measurements inform where the drone is in space, and accordingly the flight controller sends the ESC the signal(s) necessary to react to the remote control input, to change the drone's position as desired.
The reason I want to understand this specific schematic is because whomever published it online also did publish his code. This code I've been studying to learn more about control systems, and specifically motor control, which I've never done before.
Thanks for your help
So that I do not have to keep downloading it
Do you have a link to the original project?
