diff --git a/src/main.cpp b/src/main.cpp
new file mode 100644
index 0000000..5667061
--- /dev/null
+++ b/src/main.cpp
@@ -0,0 +1,96 @@
+#include <Arduino.h>
+#include <LoRaTransmitter.h>
+#include <SimuGaz.h>
+#include <GazDisplay.h>
+
+#define MAX_RESTART 1
+#define MAX_FATAL_RESTART 3
+
+uint64_t joinEUI = 0x0000000000000000;
+uint64_t devEUI = 0x0000000000000000;
+uint8_t appKey[] = {
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
+uint8_t nwkKey[] = {
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
+
+RTC_DATA_ATTR uint8_t fatalRestartCount = 0;
+RTC_DATA_ATTR uint8_t restartCount = 0;
+
+ITransmitter* transmitter = new LoRaTransmitter(
+    joinEUI,
+    devEUI,
+    nwkKey,
+    appKey
+);
+
+void fatalError(const char* msg){
+    Serial.printf("[FATAL] %s\n", msg);
+    Serial.flush();
+    delay(100);
+
+    if (fatalRestartCount < MAX_FATAL_RESTART) {
+        fatalRestartCount++;
+        Serial.printf("[FATAL] Redémarrage %d/3\n", fatalRestartCount);
+        Serial.flush();
+        ESP.restart();
+    }
+
+    Serial.printf("[FATAL] %d redémarrages : l'appareil entre en sommeil profond permanent\n", MAX_FATAL_RESTART);
+    Serial.flush();
+    esp_deep_sleep_start();
+}
+
+void nonCriticalError(const char* msg){
+    Serial.printf("[Error] %s\n", msg);
+    Serial.flush();
+    delay(100);
+
+    if (restartCount < MAX_RESTART) {
+        restartCount++;
+        Serial.printf("[Error] Tentative de redémarrage\n", restartCount);
+        Serial.flush();
+        ESP.restart();
+    }
+
+    Serial.printf("[Error] %d redémarrage : l'appareil continue en mode dégradé\n", MAX_RESTART);
+}
+
+void generateDailyGasPayload(uint32_t pulses, uint8_t *payload){
+    payload[0] = (pulses >> 24) & 0xFF;
+    payload[1] = (pulses >> 16) & 0xFF;
+    payload[2] = (pulses >>  8) & 0xFF;
+    payload[3] = (pulses      ) & 0xFF;
+}
+
+void setup() {
+    Serial.begin(115200);
+    delay(2000);
+    
+    if (displayInit() != DisplayError::OK){
+        nonCriticalError("Initialisation du périphérique d'affichage échouée");
+    }
+    
+    if (transmitter->init() != TransmitError::OK){
+        fatalError("Initialisation du périphérique radio échouée");
+    }
+    if (transmitter->join() != TransmitError::OK){
+        fatalError("Connexion au concentrateur LoRaWAN échouée");
+    }
+    restartCount = 0;
+}
+
+void loop() {
+    uint8_t payload[4];
+    uint32_t pulses = simulateGasPulses(60);
+
+    displayGasIndex(pulses);
+    
+    generateDailyGasPayload(pulses, payload);
+    transmitter->send(payload, sizeof(payload));
+    
+    Serial.flush();
+
+    esp_deep_sleep(60);
+}
\ No newline at end of file