diff --git a/node1.c b/node1.c
index f7b77db..cef9f37 100644
--- a/node1.c
+++ b/node1.c
@@ -16,8 +16,8 @@
 
 // 5 sec loop is for testing
 // #define LOOP_INTERVAL_MS 5000
-// #define LOOP_INTERVAL_MS 10000
-#define LOOP_INTERVAL_MS 30000
+#define LOOP_INTERVAL_MS 10000
+// #define LOOP_INTERVAL_MS 30000
 
 /**
  * Balcony Weather Station Node 1
@@ -118,41 +118,26 @@ static bool cb_30(__unused struct repeating_timer *t) {
     readings_index = 0;
   }
 
-  char msg[256];
-  snprintf(msg, sizeof(msg), "M001,%.2f,%.2f,%2f\n",
+  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");
-  printf("MSG: %s", msg);
-  bool success = tcp_client_send_message(&tcp_config, msg);
-  if (success) {
-    printf("✓ Data sent successfully\n");
-    comms_led_blink();
-  } else {
-    printf("✗ Failed to send data\n");
-    return false;
-  }
+  // printf("MSG: %s", msg_to_send);
 
   // send PM readings
   if (readings_index == 6) {
-    snprintf(msg, sizeof(msg), "M02,%.2f,%.2f,%2f\n",
+    snprintf(msg_to_send, sizeof(msg_to_send), "M02,%.2f,%.2f,%2f\n",
              current_pms5003_reading.pm1, current_pms5003_reading.pm2_5,
              current_pms5003_reading.pm10);
     printf("Sending particulate matter readings to backend server...\n");
-    printf("MSG: %s", msg);
-    bool success = tcp_client_send_message(&tcp_config, msg);
-    if (success) {
-      printf("✓ Data sent successfully\n");
-      comms_led_blink();
-    } else {
-      printf("✗ Failed to send data\n");
-      return false;
-    }
+    // printf("MSG: %s", msg);
   }
 
   return true;
 };
 
+bool cb_30_trigger = true;
+
 int main() {
   stdio_init_all();
   watchdog_enable(60000, 1);
@@ -186,5 +171,17 @@ int main() {
     comms_led_update();
     watchdog_update();
     tight_loop_contents();
+    // Iterate over msgs_to_send and send them if not empty
+    if (msg_to_send[0] != '\0') {
+      bool success = tcp_client_send_message(&tcp_config, msg_to_send);
+      if (success) {
+        printf("✓ Data sent successfully\n");
+        comms_led_blink();
+        // Clear the message after sending
+        msg_to_send[0] = '\0';
+      } else {
+        printf("✗ Failed to send data\n");
+      }
+    }
   }
 }