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在家庭助理更新之前，开关一直运行良好！但是在我无法解决这个问题之后。我用 esp32-dev Kit v1 制作了我的房间灯开关，就像这样 画的

Arduino代码在这里

#include <WiFi.h>
#include <PubSubClient.h>

const char *ssid =  "olleh_WiFi_BA83";   
const char *password =  "0000002583"; 

const char* ID = "테스트&quot;;  // Name of our device, must be unique
const char* TOPIC = "room/light/ahn"; 
const char* INTOPIC = "room/light/Switch";
const char* mqttUser = "dragon";
const char* mqttPassword = "qazwsxedcrfvtgbyhnujm";
const char* broker = "172.30.1.48";

WiFiClient wclient;
PubSubClient client(wclient); 
char messages[50];
int state = 0;
int state1 = 0;
int state2 = 0;
int SW_state = 0;
int light = 4;

// Connect to WiFi network
void setup_wifi() {
  Serial.print("\nConnecting 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 callback(char* topic, byte* payload, unsigned int length) {
  Serial.print("Received messages: ");
  Serial.print(INTOPIC);
  for(int i=0; i<length; i++){
    Serial.println((char) payload[i]);
  }
  Serial.println();
  if ((char)payload[0] == '1') {
    state = HIGH;
    state1 = LOW;
    client.publish(TOPIC, "1");
  } else if((char)payload[0] == '0') {
    state = LOW;
    state1 = HIGH;
    client.publish(TOPIC, "0");
  }
  digitalWrite(4, state);
  Serial.print(state);
}


// Reconnect to client
void reconnect() {
  // Loop until we're reconnected
  while (!client.connected()) {
    Serial.print("Attempting MQTT connection...");
    // Attempt to connect
    if (client.connect(ID, mqttUser, mqttPassword)) {
      Serial.println("connected");
      Serial.print("Publishing to: ");
      Serial.println(TOPIC);
      Serial.println('\n');
      client.subscribe(INTOPIC);

    } else {
      Serial.print("failed, rc=");
      Serial.print(client.state());
      Serial.println("\n try again in 5 seconds");
      // Wait 5 seconds before retrying
      delay(5000);
    }
  }
}

void setup() {
  Serial.begin(115200); 
  pinMode(light, OUTPUT);
  pinMode(5, INPUT);
  delay(100);
  setup_wifi(); // Connect to network
  client.setServer(broker, 1883);
  client.setCallback(callback);
}

void loop() {
  if (!client.connected()){
    reconnect();
  }
  client.loop();
  if (digitalRead(5) != SW_state) {
    state2 = state;
    state = state1;
    state1 = state2;
    digitalWrite(4, state);
    snprintf(messages, 75, "%ld", state);
    client.publish(TOPIC, messages);
  }
  SW_state = digitalRead(5);
}

和家庭助理'configuration.yaml'在这里

#Switch
switch:
  - platform: mqtt
    name: "불"
    command_topic: "room/light/Switch"
    state_topic: "room/light/ahn"
    payload_on: "1"
    payload_off: "0"
    state_on: "1"
    state_off: "0"
    qos: 0
    retain: true
当我关闭家庭助理（树莓派）时，开关运行良好，问题是当我使用开关“打开”灯时，esp32 会向家庭助理发送消息。服务器完美地收到了消息（打开）并且状态发生了变化，但是家庭助理向 esp32 发送消息“关闭”消息，然后 esp32 立即关闭灯，请帮忙！伙计们

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1 回答 1

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抱歉，这可能是我的错…………昨天是下雨天，所以我想知道我家的湿度和温度，所以我在另一个 ESP32 板上连接了 DHT 11 传感器并复制了我的开关代码和编辑的代码，但我几分钟前没有更改上面的 esp32-ID "테스트" 我不喜欢名字 "테스트" 所以我改成“Fxxk”并上传了然后，令人惊讶的是它做得很好！到目前为止 mqtt 设备名称并不重要，但我认为它现在很重要。谢谢

于 2021-07-04T05:47:43.180 回答