User manual

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int potpin = 0 ; //define analog pin0
int ledpin = 13 ; //define analog pin13
int val = 0 ; //set val is0.
void setup()
{
pinMode(ledpin,OUTPUT);//set analog pin13 output
Serial.begin(9600);//set baud rate 9600
}
void loop()
{
digitalWrite(ledpin,HIGH);//light up led in pin13
delay(50);//delay 0.05s
digitalWrite(ledpin,LOW);//go out led in pin13
delay(50);//delay 0.05s
val = analogRead(potpin);//give the value of pin0 to val
Serial.println(val) ; //print val’s value
}