int value = 0b00000000; // initial value with all bits set to 0

void setup() {
  Serial.begin(115200); // Start serial communication

  // Print the initial value
  Serial.print("Initial Value: ");
  Serial.println(value, BIN);
  
  // Toggle the 1st bit (0-indexed, so 1st bit is at position 0)
  value ^= (1 << 0);
  
  // Toggle the 3rd bit (0-indexed, so 3rd bit is at position 2)
  value ^= (1 << 3);

  // Print the modified value
  Serial.print("Modified Value: ");
  Serial.println(value, BIN);
}

void loop() {
  // No need for anything in loop for this example
}