การรับค่าจากสวิตซ์
int buttonPin = 2; // the number of the pushbutton pin
int ledPin = 9; // the number of the LED pin
// variables will change:
int buttonState = 0; // variable for reading the pushbutton status
void setup() {
// initialize the LED pin as an output:
Serial.begin(9600);
pinMode(ledPin, OUTPUT);
// initialize the pushbutton pin as an input:
pinMode(buttonPin, INPUT);
}
void loop(){
// read the state of the pushbutton value:
buttonState = digitalRead(buttonPin);
// check if the pushbutton is pressed.
// if it is, the buttonState is HIGH:
if (buttonState == HIGH) {
// turn LED on:
Serial.println(“turn LED on”);
digitalWrite(ledPin, HIGH);
}
else {
// turn LED off:
Serial.println(“turn LED off”);
digitalWrite(ledPin, LOW);
}
}
ไฟล์ Source Code
https://drive.google.com/a/bumail.net/file/d/0B0jje0eyOqhKckVOV1hNZmtIWU0/view?usp=sharing
