Button checker

Checks if the button is working right

Jun 1, 2021

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lights

Devices & Components

Arduino Uno Rev3

Tactile Switch, Top Actuated

Jumper wires (generic)

Resistor 10k ohm

Software & Tools

Arduino IDE

Project description

Code

the full code:

arduino

download and use it!

1#define buttonPin 2
2#define ledPin 13
3bool state = 0;
4bool lastRead  = 0;
5void setup() {
6 // put your setup code here, to run once:
7Serial.begin(9600);
8pinMode(2,INPUT);
9pinMode(13,OUTPUT);
10}
11void  loop() {
12 // put your main code here, to run repeatedly:
13state = digitalRead(2);
14if(state  != lastRead)
15{
16 Serial.println(state);
17digitalWrite(ledPin,state)
18 lastRead  = state;
19}
20}

#define buttonPin 2
#define ledPin 13
bool state = 0;
bool lastRead  = 0;
void setup() {
 // put your setup code here, to run once:
Serial.begin(9600);
pinMode(2,INPUT);
pinMode(13,OUTPUT);
}
void  loop() {
 // put your main code here, to run repeatedly:
state = digitalRead(2);
if(state  != lastRead)
{
 Serial.println(state);
digitalWrite(ledPin,state)
 lastRead  = state;
}
}

the full code:

arduino

download and use it!

1#define buttonPin 2
2#define ledPin 13
3bool state = 0;
4bool lastRead
5  = 0;
6void setup() {
7 // put your setup code here, to run once:
8Serial.begin(9600);
9pinMode(2,INPUT);
10pinMode(13,OUTPUT);
11}
12void
13  loop() {
14 // put your main code here, to run repeatedly:
15state = digitalRead(2);
16if(state
17  != lastRead)
18{
19 Serial.println(state);
20digitalWrite(ledPin,state)
21 lastRead
22  = state;
23}
24}

#define buttonPin 2
#define ledPin 13
bool state = 0;
bool lastRead
  = 0;
void setup() {
 // put your setup code here, to run once:
Serial.begin(9600);
pinMode(2,INPUT);
pinMode(13,OUTPUT);
}
void
  loop() {
 // put your main code here, to run repeatedly:
state = digitalRead(2);
if(state
  != lastRead)
{
 Serial.println(state);
digitalWrite(ledPin,state)
 lastRead
  = state;
}
}

Downloadable files

Schematic:

circuit:

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