Learn about an engineering area called Control systems:
Use PID-controllers to build:
- Quadcopter
- A self-driving car that will follow a path
Link to the tutorial: https://www.habrador.com/tutorials/pid-controller/
As a bonus you will also get the following:
- Stabilize a propeller with a PID controller (left click to shoot balls at it)
- Stabilize a inverted pendulum with a PID controller
- Make a linked robot move towards a point
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