// robotics blocks  - Learn button


int  temp;
float v;

void setup() {
  Serial.begin(9600);
  
  temp=31;
}
void loop() {
  // read the state of the pushbutton value:
  v = analogRead(A2);

        if (v>500 )
        {
            Serial.print("bigger then 2.5v ");
        } 

        if ( v==0 )
        {
            Serial.print(" 0 volt ");
        } 
        
        if ( v<500) 
        {
            Serial.print(" lower then 2.5 V ");
        } 

 Serial.println(v/1023*5); // convert to volt
 delay(1000);  // wait 1 sec (1 sec = 1000 ms)
}