diff --git a/code/iotconnect/main.ino b/code/iotconnect/main.ino
new file mode 100644
index 0000000..51729b6
--- /dev/null
+++ b/code/iotconnect/main.ino
@@ -0,0 +1,118 @@
+#include "secrets.h"
+#include <WiFiClientSecure.h>
+#include <PubSubClient.h>
+#include <ESP8266WiFi.h>
+#include <WiFiClient.h>
+
+#define DHTPIN 14     // Digital pin connected to the DHT sensor
+#define DHTTYPE DHT11   // DHT 11
+ 
+#define AWS_IOT_PUBLISH_TOPIC   "gun/1/test"
+#define AWS_IOT_SUBSCRIBE_TOPIC "esp32/sub"
+
+ 
+float h ;
+float t;
+ 
+
+ 
+WiFiClient net;;
+PubSubClient client(net);
+ 
+void connectAWS()
+{
+  WiFi.mode(WIFI_STA);
+  WiFi.begin(WIFI_SSID, WIFI_PASSWORD);
+ 
+  Serial.println("Connecting to Wi-Fi");
+ 
+  while (WiFi.status() != WL_CONNECTED)
+  {
+    delay(500);
+    Serial.print(".");
+  }
+ 
+  // Configure WiFiClientSecure to use the AWS IoT device credentials
+
+  // size_t privateKeySize = AWS_CERT_CA.size();
+  // char *privateKey = new char[privateKeySize + 1];
+
+  // AWS_CERT_CA.readBytes(privateKey, privateKeySize);
+  // privateKey[privateKeySize] = '\0'; 
+
+  // net.loadCACert(privateKey);
+  // net.loadCertificate(AWS_CERT_CRT);
+  // net.loadPrivateKey(AWS_CERT_PRIVATE);
+
+  net.setCACert(AWS_CERT_CA);
+  net.setCertificate(AWS_CERT_CRT);
+  net.setPrivateKey(AWS_CERT_PRIVATE);
+ 
+  // Connect to the MQTT broker on the AWS endpoint we defined earlier
+  client.setServer(AWS_IOT_ENDPOINT, 8883);
+ 
+  // Create a message handler
+  client.setCallback(messageHandler);
+ 
+  Serial.println("Connecting to AWS IOT");
+ 
+  while (!client.connect(THINGNAME))
+  {
+    Serial.print(".");
+    delay(100);
+  }
+ 
+  if (!client.connected())
+  {
+    Serial.println("AWS IoT Timeout!");
+    return;
+  }
+ 
+  // Subscribe to a topic
+
+ 
+  Serial.println("AWS IoT Connected!");
+}
+ 
+void publishMessage()
+{
+ 
+  client.publish(AWS_IOT_PUBLISH_TOPIC, "he");
+}
+ 
+void messageHandler(char* topic, byte* payload, unsigned int length)
+{
+  Serial.print("incoming: ");
+  Serial.println(topic);
+
+}
+ 
+void setup()
+{
+  Serial.begin(115200);
+  connectAWS();
+ 
+}
+ 
+void loop()
+{
+  h = 9;
+  t =7;
+ 
+ 
+  if (isnan(h) || isnan(t) )  // Check if any reads failed and exit early (to try again).
+  {
+    Serial.println(F("Failed to read from DHT sensor!"));
+    return;
+  }
+ 
+  Serial.print(F("Humidity: "));
+  Serial.print(h);
+  Serial.print(F("%  Temperature: "));
+  Serial.print(t);
+  Serial.println(F("°C "));
+ 
+  publishMessage();
+  client.loop();
+  delay(1000);
+}
\ No newline at end of file
diff --git a/code/iotconnect/secrets.h b/code/iotconnect/secrets.h
new file mode 100644
index 0000000..ec44a5d
--- /dev/null
+++ b/code/iotconnect/secrets.h
@@ -0,0 +1,111 @@
+
+	
+#include <pgmspace.h>
+ 
+#define SECRET
+#define THINGNAME "gun1"                         //change this
+ 
+const char WIFI_SSID[] = "HUAWEI nova 7i";               //change this
+const char WIFI_PASSWORD[] = "04131107";           //change this
+const char AWS_IOT_ENDPOINT[] = "a2leuqp8y2i70g-ats.iot.ap-southeast-1.amazonaws.com";       //change this
+ 
+// Amazon Root CA 1
+static const char AWS_CERT_CA[] PROGMEM = R"EOF(
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----
+
+)EOF";
+ 
+// Device Certificate                                               //change this
+static const char AWS_CERT_CRT[] PROGMEM = R"KEY(
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE----- 
+)KEY";
+ 
+// Device Private Key                                               //change this
+static const char AWS_CERT_PRIVATE[] PROGMEM = R"KEY(
+-----BEGIN PRIVATE KEY-----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+LpLsD0cR7O6H4pc2sicCPouqI48p+5nrh3ZZIIUqlWh2UM4Q+wza2at12AyvM/MT
+DKYOcd/twO3OP1zwIghk6GgFPfeKZFA3jH0/xu98PQKBgQDiZqqkzhSSnfRTLMVd
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+3vTTWII+jlYn4Dehm5UP3ZGebqr8GuCH+YI6UIliJ75UaaoueZ75NheCgqJ7WIjR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+-----END PRIVATE KEY-----
+)KEY";
\ No newline at end of file