Use the Arduino analog input function to control the brightness of the LED light by reading input voltage values through a potentiometer.
What can you do in quarantine when all you have is an old Arduino Uno and some knobs? Check out the simple - but still fun - drum machine.
AKA how to build your own laboratory vortexer without spending a lot of money.
This project will show you how to make a Bionic Hand Controller.
Robotics, Arduino, EasyDriver, Stepper Motor, Servo Motor, Etc...