float v0,r=10000,r2,e;
void setup() {
  Serial.begin(9600);

}

void loop() {
v0=analogRead(A0);
r2=r*((1023/v0)-1);
e=pow(10,3.81-2*log10(r2/1000));
Serial.print("Resistance");
Serial.print(r2);
Serial.println("OHM");
Serial.print("LI");
Serial.print(e);
Serial.println("LUX");
delay(2000);

}