This example demonstrates the use of pinMode(INPUT_PULLUP). It reads a digital input on pin 2 and prints the results to the serial monitor.
- Arduino Uno
- LED
- Pushbutton
- 1 Resistor (150 ohm to 330 ohm)
- Wire jumper
Video
Saturday, September 30, 2017
Arduino : Digital - Digital Input Pull Up
Description
This example demonstrates the use of pinMode(INPUT_PULLUP). It reads a digital input on pin 2 and prints the results to the serial monitor.
List Item
Wiring Diagram
Video
This example demonstrates the use of pinMode(INPUT_PULLUP). It reads a digital input on pin 2 and prints the results to the serial monitor.
Video
Arduino : Digital - Debounce
Description
List Item
Wiring Diagram
Video
Each time the input pin goes from LOW to HIGH (e.g. because of a push-button press), the output pin is toggled from LOW to HIGH or HIGH to LOW. There's a minimum delay between toggles to debounce the circuit (i.e. to ignore noise).
- Arduino Uno
- LED
- Pushbutton
- 1 Resistor (150 ohm to 330 ohm) and 1 Resistor 10k ohm
- Wire jumper
Video
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