L1: Using buttons - Physical Computing
Using switches with an Arduino – Input Pull-Up / Pull-Down
Push Button with Arduino | Pull up & Pull down resistor | Led Control using Button - YouTube
Pull-up Resistors - SparkFun Learn
InputPullupSerial | Arduino Documentation
How Internal Pull Up/Down Resistor Works (Arduino/ESP32)
How to Use Digital INPUT and INPUT_PULLUP on Arduino - YouTube
Arduino INPUT_PULLUP Explained (pinMode) - The Robotics Back-End
What is Pull Up and Pull Down Resistor and Where to Use them?
Pull-up and pull-down resistors on Arduino - ElectroSoftCloud
Pull-up and pull-down resistors on Arduino - ElectroSoftCloud
Pull-up / Pull-down resistor
Arduino Pull-up Pull-down Resistor | Arduino FAQs
Arduino Tutorial: Arduino-pull-up-resistor-Beginner Project - YouTube
How to Wire a Button to Arduino? Using Internal Pull-Up. - Circuit Journal
WHAT IS A PULL-UP / PULL-DOWN RESISTOR - Soldered Electronics
Pull-up and pull-down resistors on Arduino - ElectroSoftCloud
Pull-up / Pull-down resistor
arduino - Why use a resistor for Pull-Up? - Electrical Engineering Stack Exchange
Arduino Digital Gpio Of Arduino | Arduino
Gammon Forum : Electronics : Microprocessors : Switches tutorial
Pull-up Resistor vs Pull-down - Differences, Arduino Guide - Latest Open Tech From Seeed
Digital Input Pull-Up Resistor | Arduino Documentation
Using Pushbuttons with Arduino. Pullup vs Pulldown resistors - Hackster.io
Digital Input Pull-Up Resistor | Arduino Documentation
What is Pull Up and Pull Down Resistor and Where to Use them?
How to Program an Arduino With BlocklyDuino | Arduino | Maker Pro
Hardware fundamentals: how pull-down and pull-up resistors work
