2019-04-14 23:11:37 +02:00

82 lines
1.6 KiB
C++

#include <ESP8266WiFi.h>
#include <PubSubClient.h>
const char* ssid = "VOO-375468";
const char* password = "UYQQMTHF";
const char* mqtt_server = "192.168.0.13";
String pubString ;
char message_buff[100];
WiFiClient espClient;
PubSubClient client(espClient);
const int Led = 14;
int i;
int val;
int redpin=0;
void setup() {
pinMode(Led, OUTPUT);
pinMode(redpin,OUTPUT);
digitalWrite(Led, LOW);
Serial.begin(9600);
WiFi.softAPdisconnect(true);
WiFi.begin(ssid, password);
// Wait for connection
while (WiFi.status() != WL_CONNECTED) {
delay(500);
Serial.print(".");
}
Serial.println("");
Serial.print("Connected to ");
Serial.println(ssid);
Serial.print("IP address: ");
Serial.println(WiFi.localIP());
client.setServer(mqtt_server, 1883);
}
void reconnect() {
// Loop until we're reconnected
while (!client.connected()) {
Serial.print("Attempting MQTT connection...");
// Attempt to connect
if (client.connect("ESP8266Client-TempSensor")) {
Serial.println("connected");
} else {
Serial.print("failed, rc=");
Serial.print(client.state());
Serial.println(" try again in 5 seconds");
delay(5000);
}
}
}
void loop() {
if (!client.connected()) {
reconnect();
}else{
digitalWrite(Led, HIGH);
i=analogRead(redpin);
val=(6762/(i-9))-4;
if(5<val && val<50){
pubString = String((int)val);
// pubString = "Sound : " + pubString;
pubString.toCharArray(message_buff, pubString.length()+1);
Serial.println(val);
client.publish("Sound",message_buff); }
delay(130);
}
client.loop();
}