Serial.printIn trouble

Using Arduino Programming Questions
1

when i run the Serial.printIn function, nothing happens.
i am a newbie so i don't know what is suppose to happen.
my laptop is windows 7
is there suppose to be a pop-up or something?

2

is there suppose to be a pop-up or something?

No.

Will you see anything- well that depends on the code you did not post (use code tags!).

Mark

3

i am talking about any code with the function digitalRead()

like the button example
here it is:

const int buttonPin = 2;
const int ledPin = 13;

int buttonState = 0;

void setup() {

pinMode(ledPin, OUTPUT);

pinMode(buttonPin, INPUT);
}

void loop(){

buttonState = digitalRead(buttonPin);

if (buttonState == HIGH) {

digitalWrite(ledPin, HIGH);
}
else {

digitalWrite(ledPin, LOW);
}
}

4

So? what do you see the led doing. and YOU MUST USE CODE TAGS WHEN POSTING CODE!.

Mark

5

What do you think the digitalRead function is for ? (or does?)

6

Post with code but no code tag deleted by OP.

Mark

7

a098765:
is there suppose to be a pop-up or something?

I wonder if you have opened the Serial Monitor window in the Arduino IDE? It's the little button like a magnifying glass on the right hand side of the button bar. Or in the menus it is Tools/Serial Monitor.

...R

8

holmes4:
Post with code but no code tag deleted by OP.

Mark

Deleted topic recovered from Recycle bin.

9

a098765:
i am talking about any code with the function digitalRead()

like the button example
here it is:

...

This is a very subtle problem. For one thing, your code doesn't have Serial.println in it. :wink: