Questions tagged [debounce]
Contact bounce (also called chatter) is a common problem with mechanical switches and relays. Debounce or debouncing is an a hardware or software technique to eliminate this effect.
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Simple debounce coding
am a complete beginner at coding with Arduino, although I have used them for a few years by copying other peoples code. I only understand a tiny fraction of the layout of a sketch and would really ...
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Software debouncing a button when released
I'm having some trouble with software debouncing on Arduino UNO. There is a condition in my code where an unwanted debounce registers as a button push.
I'm using an interrupt for my button press, ...
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Problems with reacting to joystick button press
I am trying to use a joystick in a project for device control. Pressing a joystick button should cause incrementing a variable. INPUT_PULLUP mode is used for internal button.
As I understand it, when ...
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Poor Contact and Low Current Issues with Microswitches in Arduino USB Game Controller
I have made a USB game controller using the Arduino Micro and Omron microswitches (VX-01-1A3) for the buttons. The switch is wired with one end connected to a digital pin and the other end connected ...
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Interrupt on button press + debouncing
I want to have an interrupt function executed whenever a button is pressed.
The button is connected to pin 2 and the GND. Therefore, the pin is turned to LOW whenever the button is pressed. In ...
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Toggle button switches through case statements with button debouncing
The overview of my code is that I want a toggle button to be pushed and each button push will move the code to the next case statement. In each case statement, there will be different LED functions. I ...
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Push button unexpected increment/decrement. I'm using attachInterrupt
I'm new to Arduino and need assistance from knowledgeable people.
I'm having a problem with my code, which allows the user to increase or decrease the number by pressing buttons. From time to time, ...
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Serial.print() Inferferes with my digitalRead()
I'm running into issue properly reading a button connected to a digital I/O pin on my Adafruit Feather HUZZAH ESP8266 device.
I've implemented the debouncing script exactly as the Arduino provided ...
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Basic hardware debouncing
I was watching Jeremy Blum's Arduino tutorial series, and he explained the need for debouncing in a simple circuit involving a pushbutton. Pressing the button once should mean the led stays on, and ...
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Debouncing interrupt using capacitor
I'm currently working on nodeMCU and need to use interrupt pin. I find out there are bouncing problem when using interrupt thus i use capacitor 100uF to solve this problem. The question is by using ...
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Please help with my tinkercad code. Debouncing stopwatch with lcd
#include <LiquidCrystal.h>
LiquidCrystal lcd(12, 11, 5, 4, 3, 2);
int ssPin = 8;
int resetPin = 9;
bool cntrRunning = false;
int sec = 0;
int min = 0;
double currentMillis;
void setup()
{
...
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Understanding Debounce code
I don't understand the following Debounce code. (The complete code is at the bottom.) From what I understand, when the pin reads something, we wait at least 50 milliseconds before performing anything. ...
user68856
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Problems with detecting button digital state
I am trying to start an event after pressing and holding the FLASH built-in Nodemcu button for a specific time, I wrote two functions, one for debouncing and detecting the state, the other is to ...
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Debouncing Switch Issue
I’m trying to use a LDR to monitor the light levels and if the LDR is covered and the button is pressed, the LED should switch on. I’m in the process of adding debouching but every time I run the code,...
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How to add indicator lights to button sketch
I would like to add leds to each button switch in the first code, The first code sends midi messages to a DAW I would like it to also turn on a led as an indicator light. The switch needs to turn the ...
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