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Add another LED to your circuit from exercise 1.1, that can be controlled by it’s own button.
Exercise 2.1: Arduino Blinky
Connect an LED and Resistor (150 ohm) to your Arduino to GND and Pin 11 using your breadboard. Code it to blink using the examples.
Exercise 2.2: More Blinkys
Connect two more LED and Resistors to your Arduino. Code it to blink a sequence on all LED.