// Name:    Cheung Tsz Hin
// No.:     250345657
// Class:   EG114403/1C
// Program: 1C_Ex6_Q3_CheungTszHin.ino
// Program: Ex6C_Analog_Output-E_v2.ino
// Wokwi:   https://wokwi.com/projects/401206045567453185


#define LED_Out_Pin 25    //Define LED_Out_Pin pins is 25
#define SW_In_Pin 15      //Define SW_In_Pin pins is 25

int VRvalue; // Set variables VRvalue

void setup() {
 
  Serial.begin(115200);

  // Set pins
  pinMode(SW_In_Pin, INPUT_PULLUP); //This pin is set to Input and the default is pullup.

  
  ledcAttach(LED_Out_Pin, 12000, 12); // Frequency 12 kHz, Resolution 12-bit (Value range 0-4095)
}

void loop() {
  VRvalue = analogRead(VR_In_Pin);  // Reading the value of the variable resistor

 
  Serial.print("Raw Sensor reading: "); //showding the value
  Serial.println(VRvalue);

 
  ledcWrite(LED_Out_Pin, VRvalue);//Controlling LED brightness

  
  delay(10); 
}