void setup() {
   // open serial communications at 9600 bps
   Serial.begin(9600);
 }

 void loop() {
   // read the analog input, divide by 4:
   int analogValue = analogRead(A0) /4;

   // print in many formats:
   Serial.write(analogValue);     // Print the raw binary value analogValue
   Serial.print('\t');                  // print a tab
   Serial.print(analogValue, BIN);      // print the ASCII encoded binary analogValue
   Serial.print('\t');                  // print a tab
   Serial.print(analogValue, DEC);      // print the ASCII encoded decimal analogValue
   Serial.print('\t');                  // print a tab
   Serial.print(analogValue, HEX);      // print the ASCII encoded hexadecimal analogValue
   Serial.print('\t');                  // print a tab
   Serial.print(analogValue, OCT);      // print the ASCII encoded octal analogValue
   Serial.println();                    // print a linefeed and carriage return
 }