Blinking LED
Hardware
Connect the Microcontroller Board to a PC using an USB cable.
Software
Use Arduino IDE to code a program and upload it on the board.
Perpetual blinking
Write a program that makes the internal LED of the board to blink with intervals of 0.5s. Note that the internal LED pin number is 42.
Fade in / out
Modify the previous program to make the internal LED fade in and fade out.
Neopixel
Find the pin number of the neopixel LED on the Metro ESP32-S2 board. Write a program that turn this LED on and display all possible colors (rgb codes).
You should use the Library Manager of the Arduino IDE to intall the Neopixel library.