Experiment 02 - GPIO Input

  1. Hardware Connection

Connect button circuit to IO37 (can use DuPont wire instead of button)

  1. Software Operation

Enter user home directory and run:

  1. cd user
  2. sudo python3 ./GPIO_input.py

Terminal as shown:

At this point, you can see when the button is pressed, the terminal outputs low level; when released, the terminal outputs high level.