diff --git a/VFO.ino b/VFO.ino
new file mode 100644
index 0000000..398cd45
--- /dev/null
+++ b/VFO.ino
@@ -0,0 +1,130 @@
+#include <Encoder.h>
+#include <Wire.h>
+#include <LiquidCrystal.h>
+#include <si5351.h>
+
+
+//-----------Variables & Declarations---------------
+
+long currFreq = 1000000; 
+
+//long steps[] = {1, 2, 5, 10, 20, 50, 100, 200, 500, 1000, 2000, 5000, 10000, 20000, 50000, 100000};
+//const int MAX_STEP_INDEX = 15;
+//char* stepNames[] = {"  1 hz", "  2 hz", "  5 hz", " 10 hz", " 20 hz", " 50 hz", "100 hz", "200 hz", "500 hz", " 1 Khz", " 2 Khz", " 5 Khz", "10 Khz", "20 Khz", "50 Khz", "100Khz"};
+
+long steps[] = {1, 10, 100, 1000, 10000, 100000, 500000, 1000000, 5000000, 10000000};
+const int MAX_STEP_INDEX = 9;
+char* stepNames[] = {"  1 hz", "  10 hz", "100 hz", "  1Khz", " 10KHZ", "100Khz", "500Khz", "  1Mhz", "  5Mhz", " 10Mhz"};
+
+int stepIndex = 0;
+
+long lastButtonPress[] = {0,0,0,0,0};
+boolean buttonActive[] = {false, false, false, false, false};
+
+const long MIN_FREQ = 8500;
+const long MAX_FREQ = 150000000;
+
+//---------LCD SETUP-------//
+int PIN_RS = 7;
+int PIN_EN = 8;
+int PIN_DB4 = 9;
+int PIN_DB5 = 10;
+int PIN_DB6 = 11;
+int PIN_DB7 = 12;
+LiquidCrystal lcd(PIN_RS, PIN_EN, PIN_DB4, PIN_DB5, PIN_DB6, PIN_DB7);
+
+//--------Si5351 Declaration---------------//
+
+Si5351 si5351;
+//SDA is on pin A4 for Arduino Uno
+//SCL is on pin A5 for Arduino Uno
+
+//--------Tuning Knob Interrupt Pins-------//
+//Encoder knob(2, 3);
+const int PIN_BUTTON_UP = 2;
+const int PIN_BUTTON_DOWN = 3;
+const int PIN_BUTTON_STEP = 4;
+const int BUTTON_DEBOUNCE_TIME = 10; //milliseconds
+
+void setup(){
+  // inialize LCD, display welcome message
+  lcd.begin(20, 4);
+  delay(250);
+  lcd.setCursor(4, 1);
+  lcd.print("VFO STARTING");
+  
+  si5351.init(SI5351_CRYSTAL_LOAD_8PF, 0);
+  si5351.set_freq(currFreq * 100ULL, 0ULL, SI5351_CLK0);
+  delay(750);
+  
+    //knob.write(0);
+  pinMode(PIN_BUTTON_UP, INPUT);
+  digitalWrite(PIN_BUTTON_UP, HIGH);
+  pinMode(PIN_BUTTON_DOWN, INPUT);
+  digitalWrite(PIN_BUTTON_DOWN, HIGH);
+  pinMode(PIN_BUTTON_STEP, INPUT);
+  digitalWrite(PIN_BUTTON_STEP, HIGH);
+
+  lcd.clear();
+  lcd.setCursor(2, 7);
+  lcd.print("WELCOME!");
+  delay(500);
+}
+
+void loop(){
+  displayInfo();
+  delay(200);
+  
+  if (checkButtonPress(PIN_BUTTON_UP)){currFreq += steps[stepIndex]; currFreq = min(currFreq, MAX_FREQ); si5351.set_freq(currFreq * 100ULL, 0ULL, SI5351_CLK0);}
+  if (checkButtonPress(PIN_BUTTON_DOWN)){currFreq -= steps[stepIndex]; currFreq = max(currFreq, MIN_FREQ); si5351.set_freq(currFreq * 100ULL, 0ULL, SI5351_CLK0);}
+  if (checkButtonPress(PIN_BUTTON_STEP)){stepIndex = (stepIndex + 1) % (MAX_STEP_INDEX+1);}
+
+}
+
+void displayInfo(){
+  lcd.clear();
+  
+  // frequency information should take up the first 11 spaces on the first line:
+  if (currFreq >= 100000000) lcd.setCursor(4, 1);
+  else if (currFreq > 10000000) lcd.setCursor(5, 1);
+  else lcd.setCursor(6, 1);
+  int mhz = int(currFreq/ 1000000);
+  int khz = int((currFreq - (mhz*1000000)) / 1000);
+  int hz =  int(currFreq % 1000);
+  
+  int khzPad = 0;
+  if (khz < 100) khzPad++;
+  if (khz < 10) khzPad++;
+  
+  int hzPad = 0;
+  if (hz < 100) hzPad++;
+  if (hz < 10) hzPad++;
+  
+  lcd.print(mhz);
+  lcd.print(".");
+  for (int i = 0; i < khzPad; i++) lcd.print("0");
+  lcd.print(khz); 
+  lcd.print(".");
+  for (int i = 0; i < hzPad; i++) lcd.print("0");
+  lcd.print(hz);
+  
+  //Step  Information should take the first 11 spaces on the 2nd line
+  //The first 5 symbols are "STEP:", leaving 6 chars for step info.
+  lcd.setCursor(4, 3);
+  lcd.print("STEP:");
+  lcd.print(stepNames[stepIndex]);
+}
+
+boolean checkButtonPress(int pin){
+  long time = millis();
+  if (buttonActive[pin] && digitalRead(pin) == HIGH){
+    buttonActive[pin] = false;
+    lastButtonPress[pin] = time;
+  }
+  else if (digitalRead(pin) == LOW && !buttonActive[pin] && time > lastButtonPress[pin] + BUTTON_DEBOUNCE_TIME){
+    buttonActive[pin] = true;
+    lastButtonPress[pin] = time;
+    return true;
+  }
+  return false;
+}