Instructions

www.joy-it.net
Pascalstr. 8 47506 Neukirchen-Vluyn
void setup() {
pinMode(8,OUTPUT); // sets pin 8 as output
}
void loop() {
int i; // defines variable i
while(1) {
i=analogRead(5);// reads voltage value from pin 5
if(i>512) { // if bigger than 512 (2.5 V)
digitalWrite(8,LOW); // switch LED on
}
else {
digitalWrite(8,HIGH); // switch LED off
}
}
}
220 Ω
10 kΩ