diff --git a/src/main.cpp b/src/main.cpp
new file mode 100644
index 0000000..afc115a
--- /dev/null
+++ b/src/main.cpp
@@ -0,0 +1,68 @@
+#include <Arduino.h>
+#include <SPI.h>
+#include <RadioLib.h>
+
+#define LORA_SCK  5
+#define LORA_MISO 19
+#define LORA_MOSI 27
+#define LORA_NSS  18
+#define LORA_RST  23
+#define LORA_DIO0 26
+#define LORA_DIO1 33
+
+void loraReset() {
+    pinMode(LORA_RST, OUTPUT);
+    digitalWrite(LORA_RST, LOW);
+    delay(10);
+    digitalWrite(LORA_RST, HIGH);
+    delay(10);
+}
+
+SX1276 radio = new Module(LORA_NSS, LORA_DIO0, LORA_RST, LORA_DIO1);
+
+uint64_t joinEUI = 0x35f48318e1324e2e;
+uint64_t devEUI  = 0x0586fe41112d83d9;
+uint8_t  appKey[] = {
+  0x0b, 0x84, 0xb4, 0x04, 0x0f, 0xd5, 0x56, 0x1b, 
+  0x00, 0x53, 0x94, 0x22, 0xc1, 0xf1, 0x4f, 0xd6
+};
+uint8_t *nwkKey = appKey;
+
+LoRaWANNode node(&radio, &EU868);
+
+void setup() {
+    Serial.begin(115200);
+    delay(2000);
+
+    loraReset();
+    SPI.begin(LORA_SCK, LORA_MISO, LORA_MOSI, LORA_NSS);
+
+    Serial.print("[LoRa] Init... ");
+    int state = radio.begin();
+    if (state != RADIOLIB_ERR_NONE) {
+        Serial.printf("ERREUR %d\n", state);
+        while (true) { delay(1000); }
+    }
+    Serial.println("OK");
+
+    node.beginOTAA(joinEUI, devEUI, nwkKey, appKey);
+
+    Serial.print("[LoRaWAN] Join... ");
+    state = node.activateOTAA();
+    if (state != RADIOLIB_LORAWAN_NEW_SESSION) {
+        Serial.printf("Echec : %d\n", state);
+        while (true) { delay(1000); }
+    }
+    Serial.println("Join OK !");
+}
+
+void loop() {
+    uint8_t payload[] = { 0x01, 0x02, 0x03 };
+    int state = node.sendReceive(payload, sizeof(payload), 1);
+    if (state == RADIOLIB_ERR_NONE || state == RADIOLIB_LORAWAN_NO_DOWNLINK) {
+        Serial.println("[TX] OK");
+    } else {
+        Serial.printf("[TX] Erreur : %d\n", state);
+    }
+    delay(60000);
+}
\ No newline at end of file