diff --git a/node1.c b/node1.c
index 9370444..bd6af05 100644
--- a/node1.c
+++ b/node1.c
@@ -2,14 +2,26 @@
 #include "pico/cyw43_arch.h"
 #include "pico/stdlib.h"
 #include <hardware/watchdog.h>
+#include "tcp_client.h"
 #include <pico/time.h>
 #include <pico/types.h>
 #include <stdio.h>
 
 #define SENSOR_READING_INTERVAL_US (1000000 * 10) // 10 seconds
 
+static tcp_client_config tcp_config;
 static bme280_config bem_config;
 static bme280_reading current_bem280_reading;
+char msg_to_send[256];
+
+static void send_msg(char *msg) {
+  bool success = tcp_client_send_message(&tcp_config, msg);
+  if (success) {
+    printf("✓ Data sent successfully\n");
+  } else {
+    printf("✗ Failed to send data\n");
+  }
+}
 
 int main() {
   stdio_init_all();
@@ -56,6 +68,12 @@ int main() {
 
   printf("WiFi connected!\n");
 
+  if (!tcp_client_init(&tcp_config, BACKEND_SERVER_IP, BACKEND_SERVER_PORT,
+                       20000)) {
+    panic("TCP client initialization failed!");
+  }
+  watchdog_update();
+
   // Poll every 5 seconds
   absolute_time_t last_check = get_absolute_time();
   absolute_time_t last_sensor_reading = get_absolute_time();
@@ -70,6 +88,11 @@ int main() {
       last_sensor_reading = now;
       printf("Making BME280 Reading\n");
       current_bem280_reading = bme280_read(&bem_config);
+      snprintf(msg_to_send, sizeof(msg_to_send), "M001,%.2f,%.2f,%2f\n",
+                 current_bem280_reading.temperature, current_bem280_reading.pressure,
+                 current_bem280_reading.humidity);
+        printf("Sending temperature, pressure, and humidity to backend server...\n");
+        send_msg(msg_to_send);
     }
 
     if (absolute_time_diff_us(last_check, now) >= 5000000) {