diff --git a/Lvs b/Lvs
index 4547564..5de7284 100644
--- a/Lvs
+++ b/Lvs
@@ -1,3 +1,84 @@
 pip install paho-mqtt
-
 import paho.mqtt.client as mqtt
+
+#include <SPI.h>  
+#include <WiFiNINA.h>  
+#include <PubSubClient.h>  
+  
+// WiFi设置  
+const char* ssid = "your_ssid";  
+const char* password = "your_password";  
+  
+// MQTT服务器设置  
+const char* mqtt_server = "mqtt.example.com";  
+const int mqtt_port = 1883;  
+const char* mqtt_topic = "door/window/status";  
+  
+WiFiClient espClient;  
+PubSubClient client(espClient);  
+  
+void callback(char* topic, byte* payload, unsigned int length){  
+
+}  
+  
+void Reconnect() {  
+  while (!client.connected()) {  
+    Serial.print("Attempting MQTT connection...");  
+    if (client.connect("ArduinoClient")) {  
+      Serial.println("connected");  
+    } else {  
+      Serial.print("failed, rc=");  
+      Serial.print(client.state());  
+      Serial.println(" try again in 5 seconds");  
+      delay(5000);  
+    }  
+  }  
+}  
+  
+void SetupWifi() {  
+  delay(10);  
+  Serial.print("Connecting to ");  
+  Serial.println(ssid);  
+  WiFi.begin(ssid, password);  
+  
+  while (WiFi.status() != WL_CONNECTED) {  
+    delay(500);  
+    Serial.print(".");  
+  }  
+  
+  Serial.println("");  
+  Serial.println("WiFi connected");  
+  Serial.print("IP address: ");  
+  Serial.println(WiFi.localIP());  
+}  
+  
+void setup() {  
+  Serial.begin(115200);  
+  setup_wifi();  
+  client.setServer(mqtt_server, mqtt_port);  
+  client.setCallback(callback);  
+}  
+  
+void loop() {  
+  bool doorIsOpen = readDoorSensor(); 
+  
+  if (doorIsOpen) {  
+    char msg[50];  
+    sprintf(msg, "OPEN");  
+    client.publish(mqtt_topic, msg);  
+  }  
+  
+  
+ if (!client.connected()) {  
+    reconnect();  
+  }  
+  client.loop();  
+  
+  delay(1000);  
+}  
+  
+
+bool readDoorSensor() {  
+
+  return digitalRead(2) == HIGH;  
+}