// Program done on 02/02/2024 AMALJITH A
// Implementing JK flip-flop with inputs as J AND K, outputs as Q and Q_Not;

const int switchJ = 2;  // Connect J switch to digital pin 2
const int switchK = 3;  // Connect K switch to digital pin 3
const int ledQ = 4;     // Connect Q LED to digital pin 4
const int ledNotQ = 5;  // Connect Q' LED to digital pin 5

// Variables to store current (Q) and next state(QNext) of the flip-flop
bool Q = 0;
bool QNext = 0;
bool J ,K;    //variable to store J and K states

void setup() {
  // Set slide switch pins as inputs
  pinMode(switchJ, INPUT);
  pinMode(switchK, INPUT);

  // Set LED pins as outputs
  pinMode(ledQ, OUTPUT);
  pinMode(ledNotQ, OUTPUT);

  // Initialize LEDs
  digitalWrite(ledQ, Q);
  digitalWrite(ledNotQ, !Q);
}

void loop() {
  // Read the state of the J and K switches
  J = digitalRead(switchJ);
  K = digitalRead(switchK);

  // Implement JK flip-flop characteristic equation
  QNext = (J * !Q) + (!K * Q);

  // Update the LEDs based on the flip-flop state
  digitalWrite(ledQ, QNext);
  digitalWrite(ledNotQ, !QNext);

  // Update current state for the next iteration
  Q = QNext;

  delay(300);
}