worked, without pump

WorkerNode/NodeMCWifiPump.ino

@@ -0,0 +1,164 @@
+#include <ESP8266WiFi.h>
+#include <ESP8266HTTPClient.h>
+#include <ArduinoJson.h>
+
+//TemperaturSensor
+#include "DHT.h"
+#define DHT_TYPE DHT22
+
+//WaterLevelSensor
+#define sensorPower D2
+#define sensorPin A0
+
+// Value for storing water level
+int val = 0;
+int test = 0;
+
+const int DHT_PIN = D5;
+DHT dht(DHT_PIN, DHT_TYPE);
+
+const char* ssid = "Andy";
+const char* password = "AndyNicoChiara";
+
+const char* serverName = "http://192.168.178.45:8000/api/";
+String hostname = "ESP8266NodeTemperature1";
+
+
+//Konstante für die ZEit
+const int timer = 30;
+
+void setup() {
+   Serial.begin(9600);
+   dht.begin();
+   delay(1000);
+   pinMode(sensorPower, OUTPUT);
+   digitalWrite(sensorPower, LOW);
+   delay(2000);
+   WiFi.setHostname(hostname.c_str()); //define hostname
+   WiFi.begin(ssid, password);
+   Serial.println("Connecting");
+   while(WiFi.status() != WL_CONNECTED) {
+     delay(500);
+     Serial.print(".");
+   }
+   Serial.println("");
+   Serial.print("Connected to WiFi network with IP Address: ");
+   Serial.println(WiFi.localIP());
+
+   while(!Serial);
+   Serial.println("Waking up ...");
+
+   test = initiate(hostname);
+   if (test == 0){
+    exit;
+   }
+    
+}
+
+
+void loop() {
+
+  float humidity = dht.readHumidity();
+  float temperature = dht.readTemperature();
+  Serial.print("Temperatur: ");
+  Serial.print(temperature);
+  Serial.println("°C");
+  delay(1000);
+
+  Serial.print("Luftfeuchtigkeit: "); 
+  Serial.print(humidity);
+  Serial.println("%");
+
+  int waterlevel = readSensor();
+  Serial.print("Water level: ");
+  Serial.println(waterlevel);
+
+  if(WiFi.status()== WL_CONNECTED){
+//---------------------------------------------------------------- 
+    DynamicJsonDocument doc(2048);
+    // Add values in the document
+    doc["hostname"] = String(hostname);
+    doc["temperature"] = String(temperature);
+    doc["humidity"] = String(humidity);
+
+    String requestBody;
+    serializeJson(doc, requestBody);
+    Serial.println(requestBody);
+
+    postRequest(requestBody, "temperature/");
+    doc.clear();
+//----------------------------------------------------------------
+    // Add values in the document
+    doc["hostname"] = String(hostname);
+    doc["waterlevel"] = String(waterlevel);
+
+    requestBody = "";
+    serializeJson(doc, requestBody);
+    Serial.println(requestBody);
+    postRequest(requestBody, "waterlevel/");
+    doc.clear();
+    
+    Serial.println("closing connection"); 
+    } 
+  
+  else {
+    Serial.println("WiFi Disconnected");
+  } 
+
+  startDeepSleep(timer);
+
+}
+
+
+//This is a function used to get the reading
+int readSensor() {
+  digitalWrite(sensorPower, HIGH);  // Turn the sensor ON
+  delay(10);              // wait 10 milliseconds
+  val = analogRead(sensorPin);    // Read the analog value form sensor
+  digitalWrite(sensorPower, LOW);   // Turn the sensor OFF
+  return val;             // send current reading
+}
+
+int initiate(String hostname){
+
+    DynamicJsonDocument doc(2048);
+    // Add values in the document
+    doc["hostname"] = String(hostname);
+
+    String requestBody;
+    serializeJson(doc, requestBody);
+
+    postRequest(requestBody, "client/");
+    return 1;
+}
+
+int postRequest(String requestBody, String api) {
+    String urlName;
+    urlName = serverName + api;
+    WiFiClient client;
+    HTTPClient http;
+    http.begin(client, urlName);
+    http.addHeader("Content-Type", "application/json");
+    int httpResponseCode = http.POST(requestBody);
+    if (httpResponseCode>0) {
+        Serial.print("HTTP Response code: ");
+        Serial.println(httpResponseCode);
+        String payload = http.getString();
+        Serial.println(payload);
+    }
+    else {
+        Serial.print("Error code: ");
+        Serial.println(httpResponseCode);
+        return 0;
+    }
+    http.end();
+
+    return 1;
+}
+
+void startDeepSleep(int timer){
+  Serial.println("Going to deep sleep...");
+  ESP.deepSleep(timer * 1000000);
+  yield();
+  setup();
+}