2. Arduino - Button

Arduino - Button Tutorial 
Equipment:
1x Arduino Uno
1x USB 2.0 cable type A/B (for USB-A PC)
1x USB 2.0 cable type C/B (for USB-C PC)
1x Breadboard-mount Button w/ cap
1x Breadboard-mount Button Kit
1x Panel-mount Button
1x Push Button Module
1x breadboard
1x Jumper wires
Buttons
Project Set-up
Testing your script
Open Serial Monitor (under Tools). Press button a few times and the script should change between 0 and 1 (1 is high, 2 is low).
Modify the code to detect the press and release events: