#include <SoftwareSerial.h>
SoftwareSerial mySerial(0, 1);

const int potPin = A2;

void setup() {
 CLKPR = (1 << CLKPCE);
 CLKPR = (0 << CLKPS3) | (0 << CLKPS2) | (0 << CLKPS1) | (0 << CLKPS0);

 mySerial.begin(9600);

}

void loop() {
mySerial.write(analogRead(potPin) / 4);
  delay(30);
}