diff --git a/src/lightingFirmware/esp32_test0/esp32_test0.ino b/src/lightingFirmware/esp32_test0/esp32_test0.ino
new file mode 100644
index 00000000..7b3696e8
--- /dev/null
+++ b/src/lightingFirmware/esp32_test0/esp32_test0.ino
@@ -0,0 +1,346 @@
+// Include Section
+
+#include "esp_dmx.h"
+
+#define INTERRUPT_PIN 0
+
+struct Button {
+	const uint8_t PIN;
+	uint32_t numberKeyPresses;
+	bool pressed;
+};
+
+struct Panel {
+  int led0;
+  int led1;
+  int led2;
+  int led3 = 0;
+};
+
+#include <BLEDevice.h>
+#include <BLEServer.h>
+#include <BLEUtils.h>
+#include <BLE2902.h>
+ 
+BLEServer* pServer = NULL;
+BLECharacteristic* pCharacteristic = NULL;
+bool deviceConnected = false;
+bool oldDeviceConnected = false;
+uint32_t value = 0;
+String btmessage;
+ 
+// See the following for generating UUIDs:
+// https://www.uuidgenerator.net/
+ 
+#define SERVICE_UUID        "4fafc201-1fb5-459e-8fcc-c5c9c331914b"
+#define CHARACTERISTIC_UUID "beb5483e-36e1-4688-b7f5-ea07361b26a8"
+ 
+ 
+class MyServerCallbacks: public BLEServerCallbacks {
+    void onConnect(BLEServer* pServer) {
+      deviceConnected = true;
+    };
+ 
+    void onDisconnect(BLEServer* pServer) {
+      deviceConnected = false;
+    }
+};
+
+// Defining BOOT button on ESP32 as our built-in button.
+Button button1 = {INTERRUPT_PIN, 0, false};
+
+int mode = 0;
+const int modeAmount = 16;
+uint8_t brightnessMax = 20;
+uint8_t universalBrightness = 10;
+
+uint8_t dataSeq[modeAmount][DMX_PACKET_SIZE] = 
+  {
+    {
+      0,
+      0,0,universalBrightness,0,
+      0,0,universalBrightness,0,
+      0,0,universalBrightness,0,
+      0,0,universalBrightness,0,
+      0,0,universalBrightness,0,
+      0,0,universalBrightness,0,
+      0,0,universalBrightness,0,
+      0,0,universalBrightness,0,
+      0,0,universalBrightness,0,
+      0,0,0,0,
+      0,0,0,0,
+      0,0,0,0,
+      0,0,0,0,
+      0,0,0,0,
+      0,0,0,0,
+      0,0,0,0,
+      0,0,0,0,
+      0,0,0,0,
+      0,0,0,0,
+      0,0,0,0,
+      0,0,0,0,
+      0,0,0,0,
+      0,0,0,0,
+      0,0,0,0,
+      0,0,0,0    
+    },
+    {
+      0,
+      0,universalBrightness,0,0,
+      0,universalBrightness,0,0,
+      0,universalBrightness,0,0,
+      0,universalBrightness,0,0,
+      0,universalBrightness,0,0,
+      0,universalBrightness,0,0,
+      0,universalBrightness,0,0,
+      0,universalBrightness,0,0,
+      0,universalBrightness,0,0,
+      0,0,0,0,
+      0,0,0,0,
+      0,0,0,0,
+      0,0,0,0,
+      0,0,0,0,
+      0,0,0,0,
+      0,0,0,0,
+      0,0,0,0,
+      0,0,0,0,
+      0,0,0,0,
+      0,0,0,0,
+      0,0,0,0,
+      0,0,0,0,
+      0,0,0,0,
+      0,0,0,0,
+      0,0,0,0    
+    },
+    {
+      0,
+      universalBrightness,0,0,0,
+      universalBrightness,0,0,0,
+      universalBrightness,0,0,0,
+      universalBrightness,0,0,0,
+      universalBrightness,0,0,0,
+      universalBrightness,0,0,0,
+      universalBrightness,0,0,0,
+      universalBrightness,0,0,0,
+      universalBrightness,0,0,0,
+      0,0,0,0,
+      0,0,0,0,
+      0,0,0,0,
+      0,0,0,0,
+      0,0,0,0,
+      0,0,0,0,
+      0,0,0,0,
+      0,0,0,0,
+      0,0,0,0,
+      0,0,0,0,
+      0,0,0,0,
+      0,0,0,0,
+      0,0,0,0,
+      0,0,0,0,
+      0,0,0,0,
+      0,0,0,0    
+    },
+    {
+      0,
+      universalBrightness,0,0,0,  // Orange
+      0,universalBrightness,0,0,  // White
+      0,universalBrightness,0,0,  // White
+      0,0,universalBrightness,0,  // Blue
+      0,0,universalBrightness,0,
+      0,0,universalBrightness,0,
+      0,0,universalBrightness,0,
+      0,0,universalBrightness,0,
+      0,universalBrightness,0,0, 
+      //End Inner Round
+      //Start Outer Round
+      0,0,0,0,
+      0,0,0,0,
+      0,0,0,0,
+      0,0,0,0,
+      0,0,0,0,
+      0,0,0,0,
+      0,0,0,0,
+      0,0,0,0,
+      0,0,0,0,
+      0,0,0,0,
+      0,0,0,0,
+      0,0,0,0,
+      0,0,0,0,
+      0,0,0,0,
+      0,0,0,0,
+      0,0,0,0    
+    },
+    {
+      0,
+      //Start Inner Round
+      0,0,universalBrightness,0,
+      0,0,0,0,
+      0,0,0,0,
+      0,0,0,0,
+      0,0,0,0,
+      0,0,0,0,
+      0,0,0,0,
+      0,0,0,0,
+      0,0,0,0, 
+      //End Inner Round
+      //Start Outer Round
+      universalBrightness,0,0,0,
+      universalBrightness,0,0,0,
+      universalBrightness,0,0,0,
+      universalBrightness,0,0,0,
+      universalBrightness,0,0,0,
+      universalBrightness,0,0,0,
+      universalBrightness,0,0,0,
+      universalBrightness,0,0,0,
+      universalBrightness,0,0,0,
+      universalBrightness,0,0,0,
+      universalBrightness,0,0,0,
+      universalBrightness,0,0,0,
+      universalBrightness,0,0,0,
+      universalBrightness,0,0,0,
+      universalBrightness,0,0,0,
+      universalBrightness,0,0,0    
+    }
+  }
+;
+void IRAM_ATTR isr() {
+  button1.pressed = true;
+};
+
+void ledBlink(int interval, int pinNumber) {
+  digitalWrite(
+    pinNumber, 
+    !digitalRead(pinNumber)
+  );
+  delay(interval);
+};
+
+void dmxSetup() {
+  const dmx_port_t dmx_num = DMX_NUM_1;
+  Serial.printf("\nSetting up DMX Port %d", dmx_num);
+  // First, use the default DMX configuration...
+  dmx_config_t config = DMX_CONFIG_DEFAULT;
+
+  // Declare Personality RGBW
+  const int personality_count = 1;
+  Serial.print("\nDefining DMX Personality... ");
+  dmx_personality_t personalities[] = {
+    {4, "RGBW"}
+  };
+  Serial.print("Done");
+  Serial.print("\nInstalling DMX Driver... ");
+  // ...install the DMX driver...
+  dmx_driver_install(dmx_num, &config, personalities, personality_count);
+  Serial.print("Done");
+
+  // ...and then set the communication pins!
+  const int tx_pin = 23;
+  const int rx_pin = 22;
+  const int rts_pin = 21;
+  Serial.printf("\nSetting up pin %d as Transmit Pin, pin %d as Receive Pin and pin %d as RTS Pin... ", tx_pin, rx_pin, rts_pin);
+  dmx_set_pin(dmx_num, tx_pin, rx_pin, rts_pin);
+  Serial.print("Done\n");
+}
+
+ void serialRead(){
+  String incomingByte;
+  if (Serial.available() > 0) {
+    // read the incoming byte:
+    incomingByte = Serial.readStringUntil('\r\n');
+    Serial.print("\nI received: ");
+    Serial.print(incomingByte);
+    mode = incomingByte.toInt();
+  }
+}
+
+void setup() {
+	Serial.begin(115200);
+  delay(2000);
+  Serial.print("\nIf you receive this message, ESP32 module has finished setting up Serial Interface for communication.");
+    // Create the BLE Device
+  BLEDevice::init("Pupilometer LED Billboard");
+ 
+  // Create the BLE Server
+  pServer = BLEDevice::createServer();
+  pServer->setCallbacks(new MyServerCallbacks());
+ 
+  // Create the BLE Service
+  BLEService *pService = pServer->createService(SERVICE_UUID);
+ 
+  // Create a BLE Characteristic
+  pCharacteristic = pService->createCharacteristic(
+                      CHARACTERISTIC_UUID,
+                      BLECharacteristic::PROPERTY_READ   |
+                      BLECharacteristic::PROPERTY_WRITE  |
+                      BLECharacteristic::PROPERTY_NOTIFY |
+                      BLECharacteristic::PROPERTY_INDICATE
+                    );
+ 
+  // https://www.bluetooth.com/specifications/gatt/viewer?attributeXmlFile=org.bluetooth.descriptor.gatt.client_characteristic_configuration.xml
+  // Create a BLE Descriptor
+  pCharacteristic->addDescriptor(new BLE2902());
+ 
+  // Start the service
+  pService->start();
+ 
+  // Start advertising
+  BLEAdvertising *pAdvertising = BLEDevice::getAdvertising();
+  pAdvertising->addServiceUUID(SERVICE_UUID);
+  pAdvertising->setScanResponse(false);
+  pAdvertising->setMinPreferred(0x0);  // set value to 0x00 to not advertise this parameter
+  BLEDevice::startAdvertising();
+  Serial.println("\nWaiting a client connection to notify...");
+
+	pinMode(INTERRUPT_PIN, INPUT_PULLUP);
+	attachInterrupt(digitalPinToInterrupt(INTERRUPT_PIN), isr, RISING);
+  dmxSetup();
+  const dmx_port_t dmx_num = DMX_NUM_1;
+  Serial.println("Welcome to Pupilometer LED Billboard!");
+}
+
+void loop() {
+  
+  // Send the DMX packet.
+  int modeOld = mode;
+
+  // notify changed value
+  if (deviceConnected) {
+      Serial.printf("\nI received the following string: %s",String(pCharacteristic->getValue()));
+      Serial.printf("\nI received the following bytes: ");
+      uint8_t* btMessage = pCharacteristic->getData();
+      for (int i = 0; i < sizeof(btMessage); i++){
+        Serial.printf("%d ",btMessage[i]);
+      };
+      delay(100);
+  }
+  // disconnecting
+  if (!deviceConnected && oldDeviceConnected) {
+      delay(500); // give the bluetooth stack the chance to get things ready
+      pServer->startAdvertising(); // restart advertising
+      Serial.println("Start advertising");
+      oldDeviceConnected = deviceConnected;
+  }
+  // connecting
+  if (deviceConnected && !oldDeviceConnected) {
+      // do stuff here on connecting
+      oldDeviceConnected = deviceConnected;
+  }
+
+  serialRead();
+
+  dmx_send(DMX_NUM_1);
+  // Preparing next packet
+  if (button1.pressed){  
+    if (mode < modeAmount - 1){mode++;} else {mode = 0;};
+    // Increment the value of each slot, excluding the start code.
+    button1.pressed = false; // Reset button status to FALSE
+  };
+  if (modeOld != mode){
+    Serial.printf("\nChanging Lighting Preset to Preset %d", mode);
+  }
+  // Wait until the packet is finished being sent before proceeding.
+  dmx_wait_sent(DMX_NUM_1, DMX_TIMEOUT_TICK);
+  // Now write the packet synchronously!
+  dmx_write(DMX_NUM_1, dataSeq[mode], 100);
+  serialRead();
+}