void setup() {
// put your setup code here, to run once:
pinMode(2,INPUT);
digitalWrite(2,HIGH);
Serial.begin(9600);
}
void loop() {
// put your main code here, to run repeatedly:
int val = analogRead(A0);
int x=val/8;
if(x<2)x=2;
Serial.write(x);
if(digitalRead(2)==HIGH)Serial.write(0);
else Serial.write(1);
delay(100);///100 millis seconds
}



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