Arduino Tutorial 14- Using a Pushbutton as a Toggle Switch

Let's use a pushbutton as a toggle switch!

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[kevindegoede]

Your explanation and demonstration was very clear. When I wired up the LED and switch as you showed and entered the code it worked first time. I liked the way you entered code and the altered it as you went along. It really helped my understanding of developing code as one proceeds with the design.

[johngardiner]

epic video i learn every time i follow your tutorial one more step towards my steper motoer control code with push button and limit switch controller :-) ty

[nyaa]

Good vidio. This video explains step by step. Very understanding

[mathieubannwarth]

Hi! Is there a way to do the opposite? use a physical toggle switch to create a push button action?
I am a total newbie when it comes to Arduino. thanks a lot

[brothersinformation]

Why you wrote oldValue = newValue at last

[ThePotatoGLaDos]

int pinbo = 2;
int state;
int oldstate = 1;
int led = 8;
class String ledstate = "OFF";

void setup(){
pinMode(pinbo, INPUT_PULLUP);
pinMode(led, OUTPUT);
}

void loop(){
state = digitalRead(pinbo);
oldstate = state;
if(state == 1 && oldstate == 1){
if(ledstate == "OFF"){
digitalWrite(led, HIGH);
ledstate = "ON";
}
else {
digitalWrite(led, LOW);
ledstate = "OFF";
}
}
delay(1);


}