In this lesson, you will be start of using the Serial Monitor to display analog readings, and then extend the project using eight LEDs from lesson 4, so that you can control the number of LEDs that are lit by turning the knob on a variable resistor.
Arduino Lesson 7. Make an RGB LED Fader
Arduino Lesson 6. Digital Inputs
Arduino Lesson 5. The Serial Monitor
Arduino Lesson 4. Eight LEDs and a Shift Register
Arduino Lesson 3. RGB LEDs
Arduino Lesson 2. LEDs
Arduino Lesson 1. Blink