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L1: Using buttons - Physical Computing
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![Arduino - LED, Push Button, and Potentiometer [Tutorial] - The Robotics Back-End](https://roboticsbackend.com/wp-content/uploads/2021/09/arduino_circuit_led_push_button_potentiometer.png "Arduino - LED, Push Button, and Potentiometer [Tutorial] - The Robotics Back-End")
Arduino - LED, Push Button, and Potentiometer [Tutorial] - The Robotics Back-End
Cuál es la diferencia entre INPUT e INPUT_PULLUP? – Tribu Maker
Arduino Uno Example Sketch: Digital Input Pullup - Support - Engineering and Component Solution Forum - TechForum │ Digi-Key
Arduino Demo - INPUT_PULLUP Digital Read - YouTube
