diff --git a/eeprom.ino b/eeprom.ino
new file mode 100644
index 0000000..7dbe360
--- /dev/null
+++ b/eeprom.ino
@@ -0,0 +1,36 @@
+LP_TIMER((long)10*60*1000, writeEEPROM);
+
+void writeEEPROM() {
+  #if useEEPROM
+  lastEEPROMWriteTime = millis();
+  EEPROM.put(0, activeProfileIndex);  // Store the active profile index
+  EEPROM.put(4, totalElapsedTime);    // Store the total elapsed time
+
+  Serial.print("EEPROM written: ");
+  Serial.print(activeProfileIndex);
+  Serial.print(" ");
+  Serial.println(totalElapsedTime);
+  #endif
+}
+
+void readEEPROM() {
+  #if useEEPROM
+  long time = 0;
+  EEPROM.get(0, activeProfileIndex);  // Store the active profile index
+  EEPROM.get(4, time);    // Store the total elapsed time
+  if (activeProfileIndex != 100) {
+    totalStartTime = millis() - time*1000;
+    calculateTotalTime();
+    getPhaseAndTemperature();
+    inSelectionMode = false;
+  }
+  else {
+    oled.clear();
+    displaySelection();
+  }
+  Serial.print("EEPROM read: ");
+  Serial.print(activeProfileIndex);
+  Serial.print(" ");
+  Serial.println(time);
+  #endif
+}
diff --git a/hot_fermentation.ino b/hot_fermentation.ino
index 44dc9a2..235f675 100644
--- a/hot_fermentation.ino
+++ b/hot_fermentation.ino
@@ -1,9 +1,12 @@
+#include <Arduino.h>
+#include <Looper.h>
+
 #define useEEPROM 1
 // #define TempSensorMax
 #define TempSensorDallas
 // #define PlotValues
 
-#include <Wire.h>
+// #include <Wire.h>
 #include <GyverOLED.h>
 #include "GyverEncoder.h"
 
@@ -64,12 +67,13 @@ Profile profiles[] = {
   {"Chickpeas", 1, {{46, 120}, {55, 60}, {65, 150}, {70, 60}, {90, 105}}, 5},
   {"Chickpeas v2", 1, {{46, 120}, {55, 120}, {65, 120}, {72, 240}, {85, 300}}, 5},
   {"Lentils", 3, {{46, 120}, {53, 120}, {65, 180}, {72, 90}, {90, 15}}, 5},
-  {"Gradual", 10, {{46, 120}, {80, 60}}, 2},
-  {"Long gradual", 10, {{46, 120}, {80, 60}, {90, 15}}, 3},
+  {"Gradual", 10, {{46, 120}, {90, 30}}, 2},
+  {"Long gradual", 15, {{46, 120}, {80, 60}, {90, 15}}, 3},
   {"Wheat", 1, {{46, 120}, {53, 40}, {65, 40}, {72, 40}, {85, 40}}, 5},
   {"SV1", 1, {{55, 30}, {85, 120}}, 2},
   {"SV2", 0, {{46, 45}}, 1},
   // {"Yoghurt maker", 0, {{40, 300}, {40, 300}, {30, 300}}, 3},
+  // {"TEST", 0, {{46, 1}}, 1},
 };
 
 // Global variables for profile selection and execution
@@ -110,15 +114,6 @@ const int ssrSwitchInterval = 1000;  // SSR switching interval in milliseconds
 // Buffer for formatted time strings
 char timeBuffer[10];
 
-uint32_t timerExecution = 0;
-#define T_PERIOD_EXEC 1000  // period of Execution processing
-uint32_t timerSSR = 0;
-#define T_PERIOD_SSR 500  // period of heater handling
-uint32_t timerTemp = 0;
-#define T_PERIOD_TEMP 1000  // period of dallas sensor requesting
-uint32_t timerChecks= 0;
-#define T_PERIOD_Checks 1000  // period of additional checks
-
 bool boolLastCompletedState = false;
 
 float failedReadingLastValue = 0;
@@ -148,469 +143,6 @@ void setup() {
 }
 
 void loop() {
-  enc1.tick();
-  isLeft = enc1.isLeft();
-  isRight = enc1.isRight();
-  isClick = enc1.isClick();
-  if (isLeft || isRight || isClick) {
-    handleEncoder();
-  }
-  handleTemperatureSensor();
-  handleExecution();
-  handleHeaterAdv();
-  handleAdditionalChecks();
+  Looper.loop();
 }
 
-void handleAdditionalChecks() {
-  long time = millis();
-
-  if (time - timerChecks < T_PERIOD_Checks) {
-    return;
-  }
-  timerChecks = time;
-
-  if (isComplete && !boolLastCompletedState) {
-    boolLastCompletedState = true;
-    for(int i=0; i<10; i++) {
-      digitalWrite(activeBuzzerPin, HIGH);
-      delay(100);
-      digitalWrite(activeBuzzerPin, LOW);
-      delay(100);
-    }
-  }
-}
-
-void handleTemperatureSensor() {
-  long time = millis();
-  static int currentPart = 0;
-
-  if (time - timerTemp < T_PERIOD_TEMP) {
-    return;
-  }
-  timerTemp = time;
-
-#ifdef TempSensorDallas
-  Input = (double) sensors.getTempCByIndex(0);
-
-  sensors.requestTemperatures(); // Send the command to get temperatures
-#endif
-#ifdef TempSensorMax // to go into the read temp function, rename from dallas temp
-  Input = thermocouple.readCelsius();
-#endif
-
-  if (isnan(Input) || Input < 20 || Input > 95) {
-    failedReadingLastValue = (float) Input;
-    failedReadingCount++;
-    temperatureSensorError = true;
-  }
-  else {
-    temperatureSensorError = false;
-  }
-
-}
-
-void handleHeaterSimple() {
-  long time = millis();
-  static int currentPart = 0;
-
-  if (time - timerSSR < T_PERIOD_SSR) {
-    return;
-  }
-  if (inSelectionMode) {
-    digitalWrite(ssrPin, LOW);
-    return;
-  }
-  timerSSR = time;
-
-  int current = Output * PARTS;
-
-  oled.setCursor(104, 7);
-  char symbol;
-  for (int i = 0; i < PARTS; i++) {
-    symbol = current > i ? '=' : '-';
-    if (currentPart == i) {
-      oled.invertText(true);
-    }
-    oled.print(symbol);
-    oled.invertText(false);
-  }
-
-  digitalWrite(ssrPin, currentPart < current ? HIGH : LOW);
-  currentPart++;
-  if (currentPart >= PARTS) {
-    currentPart = 0;
-  }
-}
-
-void handleHeaterAdv() {
-  long time = millis();
-  static int currentPart = 0;
-  static bool states[PARTS];
-
-  if (time - timerSSR < T_PERIOD_SSR) {
-    return;
-  }
-  if (inSelectionMode) {
-    digitalWrite(ssrPin, LOW);
-    return;
-  }
-  timerSSR = time;
-
-  int current = Output/100 * PARTS;
-
-  int last = 0;
-  for (int i = 1; i < PARTS; i++) {
-    last += states[i] ? 1 : 0;
-    if (i) {
-      states[i-1] = states[i];
-    }
-  }
-  bool next = current >= last ? true : false;
-  if (Output < 1) next = false;
-  states[PARTS-1] = next;
-
-  oled.setCursor(128-6*PARTS, 7);
-  sprintf(timeBuffer, "%3d", (int)(Output));
-  char symbol;
-  for (int i = 0; i < PARTS; i++) {
-    int index = i - (PARTS - 3);
-    symbol = index < 0 ? ' ' : timeBuffer[index];
-    oled.invertText(states[i]);
-    oled.print(symbol);
-    oled.invertText(false);
-  }
-
-  if (temperatureSensorError) {
-    next = 0;
-  }
-
-  digitalWrite(ssrPin, next);
-  currentPart++;
-  if (currentPart >= PARTS) {
-    currentPart = 0;
-  }
-
-#ifdef PlotValues
-  Serial.print(Setpoint);
-  Serial.print(",");
-  Serial.print(Input);
-  Serial.print(",");
-  Serial.print(Output);
-  Serial.println(",0,100");
-#endif
-
-}
-
-void handleEncoder() {
-  if (inSelectionMode) {
-    handleProfileSelection();
-  } 
-  else {
-    handleExecutionSelection();
-  }
-}
-
-void handleExecutionSelection() {
-  if (isClick) {
-    activeProfileIndex = 100;
-    activeProfile = profiles[activeProfileIndex];
-    inSelectionMode = true;
-    writeEEPROM();
-    oled.clear();
-    displaySelection();
-    return;
-  }
-
-}
-
-void handleExecution() {
-  currentTime = millis();
-
-  if (inSelectionMode || (currentTime - timerExecution < T_PERIOD_EXEC)) { // таймер на millis()
-    return;
-  }
-  timerExecution = currentTime;
-
-  totalElapsedTime = (currentTime - totalStartTime) / 1000; // Total elapsed time in seconds
-
-  if ((currentTime - lastEEPROMWriteTime) >= (long)10*60*1000) {
-    writeEEPROM();
-  }
-
-  getPhaseAndTemperature();
-
-  regulator.input = (float)Input;
-  regulator.setpoint = Setpoint;
-  regulator.getResultNow();
-  Output = regulator.output;
-
-  if (isComplete && currentPhase >= activeProfile.numPhases && !finishTime) {
-    finishTime = currentTime;
-  }
-
-  // Display all phases and highlight the current one
-  printPhases();
-}
-
-void startExecution() {
-  activeProfile = profiles[activeProfileIndex];
-  inSelectionMode = false;  // Switch to execution mode
-  phaseStartTime = totalStartTime = millis();  // Start the timer
-  totalElapsedTime = 0;
-  regulator.setpoint = 0;
-  // digitalWrite(ssrPin, HIGH);   // Start with heater on
-  ssrLastSwitchTime = millis();
-  calculateTotalTime();
-  getPhaseAndTemperature();
-  writeEEPROM();
-  oled.clear();
-  boolLastCompletedState = isComplete = false;
-}
-
-void handleProfileSelection() {
-  if (!isClick && !isLeft && !isRight) {
-    return;
-  }
-
-  // Handle encoder input for selecting the profile
-  if (isRight) {
-    selectedProfileIndex = (selectedProfileIndex + 1) % (sizeof(profiles) / sizeof(profiles[0]));
-  } else if (isLeft) {
-    selectedProfileIndex = (selectedProfileIndex - 1 + (sizeof(profiles) / sizeof(profiles[0]))) % (sizeof(profiles) / sizeof(profiles[0]));
-  }
-
-  displaySelection();
-
-  // Start the selected profile on button press
-  if (isClick) {
-    activeProfileIndex = selectedProfileIndex;
-    startExecution();
-  }
-}
-
-void displaySelection() {
-  // oled.clear();
-  // Display all profiles with the selected one highlighted
-  for (int i = 0; i < (int) (sizeof(profiles) / sizeof(profiles[0])); i++) {
-    if (i == selectedProfileIndex) {
-      oled.invertText(true);  // Highlight the selected profile
-    }
-
-    oled.setCursor(0, i);  // Set cursor to the correct row
-    oled.print(profiles[i].name);
-
-    oled.invertText(false);  // Reset text inversion for other profiles
-  }
-  oled.update();
-}
-
-void calculateTotalTime() {
- // Calculate total process time, including transitions
-  activeProfile = profiles[activeProfileIndex];
-  totalProcessTime = 0;
-  for (int i = 0; i < activeProfile.numPhases; i++) {
-    totalProcessTime += activeProfile.phases[i].duration * 60;
-    if (i < activeProfile.numPhases - 1) {
-      int tempDiff = abs(activeProfile.phases[i + 1].temperature - activeProfile.phases[i].temperature);
-      totalProcessTime += tempDiff * 60 * activeProfile.transitionMinutesPerDegree;
-    }
-  }
-}
-
-void getPhaseAndTemperature() {
-  long accumulatedTime = 0;
-
-  for (int i = 0; i < activeProfile.numPhases; i++) {
-    int phaseDuration = activeProfile.phases[i].duration * 60;
-
-    // Check for transition
-    if (i > 0) {
-      int previousTemp = activeProfile.phases[i - 1].temperature;
-      int targetTemp = activeProfile.phases[i].temperature;
-      int tempDiff = abs(targetTemp - previousTemp);
-      int transitionDuration = tempDiff * 60 * activeProfile.transitionMinutesPerDegree;
-
-      if (totalElapsedTime < accumulatedTime + transitionDuration) {
-        isInTransition = true;
-        currentPhase = i - 1;  // Keep currentPhase as the previous phase
-        int timeInTransition = totalElapsedTime - accumulatedTime;
-        Setpoint = previousTemp + (double)timeInTransition / (60 * activeProfile.transitionMinutesPerDegree) * (targetTemp > previousTemp ? 1 : -1);
-        phaseStartTime = totalStartTime + accumulatedTime * 1000; // Set phase start time
-        return;
-      }
-
-      accumulatedTime += transitionDuration;
-    }
-
-    // Check if we're within the current phase
-    if (totalElapsedTime < accumulatedTime + phaseDuration) {
-      isInTransition = false;
-      currentPhase = i;
-      Setpoint = activeProfile.phases[i].temperature;
-      phaseStartTime = totalStartTime + accumulatedTime * 1000; // Set phase start time
-      return;
-    }
-
-    accumulatedTime += phaseDuration;
-  }
-
-  // If the elapsed time exceeds the total duration, indicate completion
-  currentPhase = activeProfile.numPhases;  // Indicate completion
-  Setpoint = 45;  // Default to 45°C after completion
-  isInTransition = false;
-  isComplete = true;  // Mark the process as complete
-  phaseStartTime = totalStartTime + accumulatedTime * 1000;  // Set phase start time to the end
-}
-
-
-void printPhases() {
-  // oled.clear();
-
-  if (isComplete) {
-    // Show completion time and current temperature instead of the title
-    oled.setCursor(0, 0);
-    oled.invertText(true);
-    oled.print("Done!");
-    oled.invertText(false);
-    oled.print(" ");
-    formatTime((currentTime - finishTime) / 1000, timeBuffer); // Time since completion
-    oled.print(timeBuffer);
-    oled.print(" ");
-    oled.print(Input,0);
-    oled.print("c");
-    oled.print("->");
-    oled.print((int)Setpoint);
-    oled.print("c              ");
-  } else {
-    oled.setCursor(0, 0);
-    oled.print(activeProfile.name);
-    oled.print("               ");
-  }
-
-  // Display the totals and current state on the OLED
-  oled.setCursor(0, 1);
-  oled.print("    ");
-  oled.setCursor(18, 1);
-  formatTime(totalElapsedTime, timeBuffer);
-  oled.print(timeBuffer);
-  oled.print(" / ");
-  formatTime(totalProcessTime, timeBuffer);
-  oled.print(timeBuffer);
-  oled.print("                  ");
-  
-  for (int i = 0; i < activeProfile.numPhases; i++) {
-    if (i == currentPhase) {
-      oled.invertText(true);  // Invert text for the current phase
-
-      oled.setCursor(0, i + 2);  // Set cursor to the row corresponding to the phase
-      long timeRemaining = (activeProfile.phases[i].duration * 60) - ((currentTime - phaseStartTime) / 1000);
-      formatTime(timeRemaining, timeBuffer);
-      oled.print(i + 1);
-      oled.print(". ");
-      oled.print(Input, 1);
-      oled.print("c ");
-      if (fabs(Setpoint - round(Setpoint)) < 0.05) {
-          oled.print(Setpoint, 0);  // Print without decimals
-      } else {
-          oled.print(Setpoint, 1);  // Print with 1 decimal place
-      }
-      oled.print("c ");
-      if (!isInTransition) {
-        oled.print(timeBuffer);
-      }
-      oled.print("        ");
-    } else {
-      oled.invertText(false); // Normal text for other phases
-
-      oled.setCursor(0, i + 2);  // Set cursor to the row corresponding to the phase
-      formatTime(activeProfile.phases[i].duration * 60, timeBuffer);
-      oled.print(i + 1);
-      oled.print(". ");
-      oled.print(activeProfile.phases[i].temperature);
-      oled.print("c ");
-      oled.print(timeBuffer);
-      oled.print("             ");
-    }
-  }
-
-  if (temperatureSensorError) {
-    oled.invertText(true);
-    oled.setCursor(0, 0);
-    oled.setScale(2);
-    oled.print("T = ");
-    oled.print(Input);
-    oled.print("   ");
-    oled.setScale(1);
-    digitalWrite(activeBuzzerPin, HIGH);
-    delay(5);
-    digitalWrite(activeBuzzerPin, LOW);
-  }
-
-  if (failedReadingCount) {
-    oled.setCursor(0, 7);
-    oled.print(failedReadingCount);
-    oled.print(" (");
-    oled.print(failedReadingLastValue);
-    oled.print(")      ");
-  }
-
-  oled.invertText(false); // Ensure text inversion is off after the loop
-
-  // oled.setCursor(110,7);
-  // sprintf(timeBuffer, "%3d", (int)(Output*100));
-  // oled.print(timeBuffer);
-  // oled.update();
-}
-
-void formatTime(long seconds, char* buffer) {
-    long hours = seconds / 3600;
-    long mins = (seconds % 3600) / 60;
-    int secs = seconds % 60;
-
-    buffer[0] = '\0';  // Ensure the buffer is empty
-
-    if (hours > 0) {
-        sprintf(buffer + strlen(buffer), "%ldh", hours);
-    }
-    if (mins > 0) {
-        sprintf(buffer + strlen(buffer), "%ldm", mins);
-    }
-    if (secs > 0) {
-        sprintf(buffer + strlen(buffer), "%ds", secs);
-    }
-}
-
-void writeEEPROM() {
-  #if useEEPROM
-  lastEEPROMWriteTime = millis();
-  EEPROM.put(0, activeProfileIndex);  // Store the active profile index
-  EEPROM.put(4, totalElapsedTime);    // Store the total elapsed time
-
-  Serial.print("EEPROM written: ");
-  Serial.print(activeProfileIndex);
-  Serial.print(" ");
-  Serial.println(totalElapsedTime);
-  #endif
-}
-
-void readEEPROM() {
-  #if useEEPROM
-  long time = 0;
-  EEPROM.get(0, activeProfileIndex);  // Store the active profile index
-  EEPROM.get(4, time);    // Store the total elapsed time
-  if (activeProfileIndex != 100) {
-    totalStartTime = millis() - time*1000;
-    calculateTotalTime();
-    getPhaseAndTemperature();
-    inSelectionMode = false;
-  }
-  else {
-    oled.clear();
-    displaySelection();
-  }
-  Serial.print("EEPROM read: ");
-  Serial.print(activeProfileIndex);
-  Serial.print(" ");
-  Serial.println(time);
-  #endif
-}
diff --git a/output.ino b/output.ino
new file mode 100644
index 0000000..aaa48b1
--- /dev/null
+++ b/output.ino
@@ -0,0 +1,132 @@
+void printPhases() {
+  // oled.clear();
+
+  if (isComplete) {
+    // Show completion time and current temperature instead of the title
+    oled.setCursor(0, 0);
+    oled.invertText(true);
+    oled.print("Done!");
+    oled.invertText(false);
+    oled.print(" ");
+    formatTime((currentTime - finishTime) / 1000, timeBuffer); // Time since completion
+    oled.print(timeBuffer);
+    oled.print(" ");
+    oled.print(Input,0);
+    oled.print("c");
+    oled.print("->");
+    oled.print((int)Setpoint);
+    oled.print("c              ");
+  } else {
+    oled.setCursor(0, 0);
+    oled.print(activeProfile.name);
+    oled.print("               ");
+  }
+
+  // Display the totals and current state on the OLED
+  oled.setCursor(0, 1);
+  oled.print("    ");
+  oled.setCursor(18, 1);
+  formatTime(totalElapsedTime, timeBuffer);
+  oled.print(timeBuffer);
+  oled.print(" / ");
+  formatTime(totalProcessTime, timeBuffer);
+  oled.print(timeBuffer);
+  oled.print("                  ");
+  
+  for (int i = 0; i < activeProfile.numPhases; i++) {
+    if (i == currentPhase) {
+      oled.invertText(true);  // Invert text for the current phase
+
+      oled.setCursor(0, i + 2);  // Set cursor to the row corresponding to the phase
+      long timeRemaining = (activeProfile.phases[i].duration * 60) - ((currentTime - phaseStartTime) / 1000);
+      formatTime(timeRemaining, timeBuffer);
+      oled.print(i + 1);
+      oled.print(". ");
+      oled.print(Input, 1);
+      oled.print("c ");
+      if (fabs(Setpoint - round(Setpoint)) < 0.05) {
+          oled.print(Setpoint, 0);  // Print without decimals
+      } else {
+          oled.print(Setpoint, 1);  // Print with 1 decimal place
+      }
+      oled.print("c ");
+      if (!isInTransition) {
+        oled.print(timeBuffer);
+      }
+      oled.print("        ");
+    } else {
+      oled.invertText(false); // Normal text for other phases
+
+      oled.setCursor(0, i + 2);  // Set cursor to the row corresponding to the phase
+      formatTime(activeProfile.phases[i].duration * 60, timeBuffer);
+      oled.print(i + 1);
+      oled.print(". ");
+      oled.print(activeProfile.phases[i].temperature);
+      oled.print("c ");
+      oled.print(timeBuffer);
+      oled.print("             ");
+    }
+  }
+
+  if (temperatureSensorError) {
+    oled.invertText(true);
+    oled.setCursor(0, 0);
+    oled.setScale(2);
+    oled.print("T = ");
+    oled.print(Input);
+    oled.print("   ");
+    oled.setScale(1);
+    digitalWrite(activeBuzzerPin, HIGH);
+    delay(5);
+    digitalWrite(activeBuzzerPin, LOW);
+  }
+
+  if (failedReadingCount) {
+    oled.setCursor(0, 7);
+    oled.print(failedReadingCount);
+    oled.print(" (");
+    oled.print(failedReadingLastValue);
+    oled.print(")      ");
+  }
+
+  oled.invertText(false); // Ensure text inversion is off after the loop
+
+  // oled.setCursor(110,7);
+  // sprintf(timeBuffer, "%3d", (int)(Output*100));
+  // oled.print(timeBuffer);
+  // oled.update();
+}
+
+void displaySelection() {
+  // oled.clear();
+  // Display all profiles with the selected one highlighted
+  for (int i = 0; i < (int) (sizeof(profiles) / sizeof(profiles[0])); i++) {
+    if (i == selectedProfileIndex) {
+      oled.invertText(true);  // Highlight the selected profile
+    }
+
+    oled.setCursor(0, i);  // Set cursor to the correct row
+    oled.print(profiles[i].name);
+
+    oled.invertText(false);  // Reset text inversion for other profiles
+  }
+  oled.update();
+}
+
+void formatTime(long seconds, char* buffer) {
+  long hours = seconds / 3600;
+  long mins = (seconds % 3600) / 60;
+  int secs = seconds % 60;
+
+  buffer[0] = '\0';  // Ensure the buffer is empty
+
+  if (hours > 0) {
+      sprintf(buffer + strlen(buffer), "%ldh", hours);
+  }
+  if (mins > 0) {
+      sprintf(buffer + strlen(buffer), "%ldm", mins);
+  }
+  if (secs > 0) {
+      sprintf(buffer + strlen(buffer), "%ds", secs);
+  }
+}
\ No newline at end of file
diff --git a/t_additional_checks.ino b/t_additional_checks.ino
new file mode 100644
index 0000000..33f9c74
--- /dev/null
+++ b/t_additional_checks.ino
@@ -0,0 +1,28 @@
+LP_THREAD({
+  if (isComplete && !boolLastCompletedState) {
+    boolLastCompletedState = true;
+    for(int i=0; i<10; i++) {
+      digitalWrite(activeBuzzerPin, HIGH);
+      delay(100);
+      digitalWrite(activeBuzzerPin, LOW);
+      delay(200);
+    }
+  }
+  LP_DELAY(10);
+});
+
+
+// LP_TIMER(1000, AdditionalChecks);
+
+// void AdditionalChecks() {
+//   if (isComplete && !boolLastCompletedState) {
+//     boolLastCompletedState = true;
+//     for(int i=0; i<5; i++) {
+//       digitalWrite(activeBuzzerPin, HIGH);
+//       delay(100);
+//       digitalWrite(activeBuzzerPin, LOW);
+//       delay(500);
+//     }
+//   }
+// }
+
diff --git a/t_encoder.ino b/t_encoder.ino
new file mode 100644
index 0000000..24ca636
--- /dev/null
+++ b/t_encoder.ino
@@ -0,0 +1,51 @@
+LP_THREAD({ 
+  enc1.tick();
+  isLeft = enc1.isLeft();
+  isRight = enc1.isRight();
+  isClick = enc1.isClick();
+  if (!isLeft && !isRight && !isClick) {
+    return;
+  }
+
+  if (inSelectionMode) {
+    handleProfileSelection();
+  } 
+  else {
+    handleExecutionSelection();
+  }
+  LP_DELAY(10);
+});
+
+void handleExecutionSelection() {
+  if (isClick) {
+    activeProfileIndex = 100;
+    activeProfile = profiles[activeProfileIndex];
+    inSelectionMode = true;
+    writeEEPROM();
+    oled.clear();
+    displaySelection();
+    return;
+  }
+
+}
+
+void handleProfileSelection() {
+  if (!isClick && !isLeft && !isRight) {
+    return;
+  }
+
+  // Handle encoder input for selecting the profile
+  if (isRight) {
+    selectedProfileIndex = (selectedProfileIndex + 1) % (sizeof(profiles) / sizeof(profiles[0]));
+  } else if (isLeft) {
+    selectedProfileIndex = (selectedProfileIndex - 1 + (sizeof(profiles) / sizeof(profiles[0]))) % (sizeof(profiles) / sizeof(profiles[0]));
+  }
+
+  displaySelection();
+
+  // Start the selected profile on button press
+  if (isClick) {
+    activeProfileIndex = selectedProfileIndex;
+    startExecution();
+  }
+}
\ No newline at end of file
diff --git a/t_heater.ino b/t_heater.ino
new file mode 100644
index 0000000..40a8a91
--- /dev/null
+++ b/t_heater.ino
@@ -0,0 +1,54 @@
+LP_TIMER(500, HandleHeater);
+void HandleHeater() {
+  static int currentPart = 0;
+  static bool states[PARTS];
+
+  if (inSelectionMode) {
+    digitalWrite(ssrPin, LOW);
+    return;
+  }
+
+  int current = Output/100 * PARTS;
+
+  int last = 0;
+  for (int i = 1; i < PARTS; i++) {
+    last += states[i] ? 1 : 0;
+    if (i) {
+      states[i-1] = states[i];
+    }
+  }
+  bool next = current >= last ? true : false;
+  if (Output < 1) next = false;
+  states[PARTS-1] = next;
+
+  oled.setCursor(128-6*PARTS, 7);
+  sprintf(timeBuffer, "%3d", (int)(Output));
+  char symbol;
+  for (int i = 0; i < PARTS; i++) {
+    int index = i - (PARTS - 3);
+    symbol = index < 0 ? ' ' : timeBuffer[index];
+    oled.invertText(states[i]);
+    oled.print(symbol);
+    oled.invertText(false);
+  }
+
+  if (temperatureSensorError) {
+    next = 0;
+  }
+
+  digitalWrite(ssrPin, next);
+  currentPart++;
+  if (currentPart >= PARTS) {
+    currentPart = 0;
+  }
+
+#ifdef PlotValues
+  Serial.print(Setpoint);
+  Serial.print(",");
+  Serial.print(Input);
+  Serial.print(",");
+  Serial.print(Output);
+  Serial.println(",0,100");
+#endif
+
+}
diff --git a/t_main.ino b/t_main.ino
new file mode 100644
index 0000000..be6e812
--- /dev/null
+++ b/t_main.ino
@@ -0,0 +1,95 @@
+LP_TIMER(1000, HandleExecution);
+void HandleExecution() {
+  currentTime = millis();
+  if (inSelectionMode) {
+    return;
+  }
+  totalElapsedTime = (currentTime - totalStartTime) / 1000; // Total elapsed time in seconds
+
+  getPhaseAndTemperature();
+
+  regulator.input = (float)Input;
+  regulator.setpoint = Setpoint;
+  regulator.getResultNow();
+  Output = regulator.output;
+
+  if (isComplete && currentPhase >= activeProfile.numPhases && !finishTime) {
+    finishTime = currentTime;
+  }
+
+  // Display all phases and highlight the current one
+  printPhases();
+}
+
+void getPhaseAndTemperature() {
+  long accumulatedTime = 0;
+
+  for (int i = 0; i < activeProfile.numPhases; i++) {
+    int phaseDuration = activeProfile.phases[i].duration * 60;
+
+    // Check for transition
+    if (i > 0) {
+      int previousTemp = activeProfile.phases[i - 1].temperature;
+      int targetTemp = activeProfile.phases[i].temperature;
+      int tempDiff = abs(targetTemp - previousTemp);
+      int transitionDuration = tempDiff * 60 * activeProfile.transitionMinutesPerDegree;
+
+      if (totalElapsedTime < accumulatedTime + transitionDuration) {
+        isInTransition = true;
+        currentPhase = i - 1;  // Keep currentPhase as the previous phase
+        int timeInTransition = totalElapsedTime - accumulatedTime;
+        Setpoint = previousTemp + (double)timeInTransition / (60 * activeProfile.transitionMinutesPerDegree) * (targetTemp > previousTemp ? 1 : -1);
+        phaseStartTime = totalStartTime + accumulatedTime * 1000; // Set phase start time
+        return;
+      }
+
+      accumulatedTime += transitionDuration;
+    }
+
+    // Check if we're within the current phase
+    if (totalElapsedTime < accumulatedTime + phaseDuration) {
+      isInTransition = false;
+      currentPhase = i;
+      Setpoint = activeProfile.phases[i].temperature;
+      phaseStartTime = totalStartTime + accumulatedTime * 1000; // Set phase start time
+      return;
+    }
+
+    accumulatedTime += phaseDuration;
+  }
+
+  // If the elapsed time exceeds the total duration, indicate completion
+  currentPhase = activeProfile.numPhases;  // Indicate completion
+  Setpoint = 45;  // Default to 45°C after completion
+  isInTransition = false;
+  isComplete = true;  // Mark the process as complete
+  phaseStartTime = totalStartTime + accumulatedTime * 1000;  // Set phase start time to the end
+}
+
+void calculateTotalTime() {
+ // Calculate total process time, including transitions
+  activeProfile = profiles[activeProfileIndex];
+  totalProcessTime = 0;
+  for (int i = 0; i < activeProfile.numPhases; i++) {
+    totalProcessTime += activeProfile.phases[i].duration * 60;
+    if (i < activeProfile.numPhases - 1) {
+      int tempDiff = abs(activeProfile.phases[i + 1].temperature - activeProfile.phases[i].temperature);
+      totalProcessTime += tempDiff * 60 * activeProfile.transitionMinutesPerDegree;
+    }
+  }
+}
+
+void startExecution() {
+  activeProfile = profiles[activeProfileIndex];
+  inSelectionMode = false;  // Switch to execution mode
+  phaseStartTime = totalStartTime = millis();  // Start the timer
+  totalElapsedTime = 0;
+  regulator.setpoint = 0;
+  // digitalWrite(ssrPin, HIGH);   // Start with heater on
+  ssrLastSwitchTime = millis();
+  calculateTotalTime();
+  getPhaseAndTemperature();
+  writeEEPROM();
+  oled.clear();
+  boolLastCompletedState = isComplete = false;
+}
\ No newline at end of file
diff --git a/t_temperature_sensor.ino b/t_temperature_sensor.ino
new file mode 100644
index 0000000..2797143
--- /dev/null
+++ b/t_temperature_sensor.ino
@@ -0,0 +1,20 @@
+LP_TIMER(1000, HandleTemperatureSensor);
+void HandleTemperatureSensor() {
+#ifdef TempSensorDallas
+  Input = (double) sensors.getTempCByIndex(0);
+
+  sensors.requestTemperatures(); // Send the command to get temperatures
+#endif
+#ifdef TempSensorMax // to go into the read temp function, rename from dallas temp
+  Input = thermocouple.readCelsius();
+#endif
+
+  if (isnan(Input) || Input < 20 || Input > 95) {
+    failedReadingLastValue = (float) Input;
+    failedReadingCount++;
+    temperatureSensorError = true;
+  }
+  else {
+    temperatureSensorError = false;
+  }
+}