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• Run a Program

  hIOTron • 03/20/2020 at 06:19 • 0 comments

  #include
  LiquidCrystal lcd(A5, A4, A3, A2, A1, A0);

  #define serial

  #define charge 3
  #define freqIn 2
  #define mode 10

  #define Delay 15

  double frequency, capacitance, inductance;

  typedef struct
  {
  int flag: 1;
  }Flag;

  Flag Bit;

  void setup()
  {
  #ifdef serial
  Serial.begin(9600);
  #endif
  lcd.begin(16, 2);
  pinMode(freqIn, INPUT);
  pinMode(charge, OUTPUT);
  pinMode(mode, INPUT_PULLUP);
  lcd.print(" LC Meter Using ");
  lcd.setCursor(0, 1);
  lcd.print(" Arduino ");
  delay(2000);
  lcd.clear();
  lcd.print("Circuit Digest");
  delay(2000);
  }

  void loop()
  {
  for(int i=0;i 0.1)
  frequency+= 1.E6 / (2 * Pulse);
  delay(20);
  }
  frequency/=Delay;
  #ifdef serial
  Serial.print("frequency:");
  Serial.print( frequency );
  Serial.print(" Hz ");
  #endif

  lcd.setCursor(0, 0);
  lcd.print("freq:");
  lcd.print( frequency );
  lcd.print(" Hz ");

  if (Bit.flag)
  {
  inductance = 1.E-3;
  capacitance = ((1. / (inductance * frequency * frequency * 4.*3.14159 * 3.14159)) * 1.E9);
  if((int)capacitance < 0)
  capacitance=0;
  #ifdef serial
  Serial.print("Capacitance:");
  Serial.print( capacitance,6);
  Serial.println(" uF ");
  #endif
  lcd.setCursor(0, 1);
  lcd.print("Cap: ");
  if(capacitance > 47)
  {
  lcd.print( (capacitance/1000));
  lcd.print(" uF ");
  }
  else
  {
  lcd.print(capacitance);
  lcd.print(" nF ");
  }
  }
  
  else
  {
  capacitance = 0.1E-6;
  inductance = (1. / (capacitance * frequency * frequency * 4.*3.14159 * 3.14159)) * 1.E6;
  #ifdef serial
  Serial.print("Ind:");
  if(inductance>=1000)
  {
  Serial.print( inductance/1000 );
  Serial.println(" mH");
  }
  else
  {
  Serial.print( inductance );
  Serial.println(" uH");
  }
  #endif

  lcd.setCursor(0, 1);
  lcd.print("Ind:");
  if(inductance>=1000)
  {
  lcd.print( inductance/1000 );
  lcd.print(" mH ");
  }
  else
  {
  lcd.print( inductance );
  lcd.print(" uH ");
  }
  }

  if (digitalRead(mode) == LOW)
  {
  Bit.flag = !Bit.flag;
  delay(1000);
  while (digitalRead(mode) == LOW);
  }
  delay(50);
  }

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