moved wifi details to 'wifi.h' (not commited) and also added internal esp32 temperature sensor for more data

vgarden1.ino

@@ -7,6 +7,8 @@
 #include <WiFiMulti.h>
 #include <HTTPClient.h>
 
+#include "wifi.h"
+
 WiFiMulti WiFiMulti;
 
 WiFiClient client;
@@ -68,7 +70,57 @@ void update_server(int count) {
       WiFi.reconnect();
   }
 }
+
+void send_sensor_data() {
+  Serial.print("Connecting to ");
+  Serial.println(SERVER_IP);
+
+  float temp_celsius = temperatureRead();
+  Serial.print(temp_celsius);
+  Serial.println(" °C");
   
+  // wait for WiFi connection
+  if ((WiFi.status() == WL_CONNECTED)) {
+
+    Serial.print("[HTTP] begin...\n");
+    // configure traged server and url
+    http.begin(client, "http://" SERVER_IP "/write?db=garagedb"); //HTTP
+    http.setTimeout(5000);
+    http.addHeader("Content-Type", "application/json");
+
+    //Serial.print("[HTTP] POST...\n");
+    // start connection and send HTTP header and body
+    String count_string = String(temp_celsius);
+    String start_string = "temperature,host=vgarden_test value=";
+    String post_string = String(start_string + count_string);
+    Serial.println(post_string);
+    int httpCode = http.POST(post_string.c_str());
+    count++;
+
+    // httpCode will be negative on error
+    if (httpCode > 0) {
+      // HTTP header has been send and Server response header has been handled
+      Serial.printf("[HTTP] POST... code: %d\n", httpCode);
+
+      // file found at server
+      if (httpCode == HTTP_CODE_OK) {
+        const String& payload = http.getString();
+        Serial.println("received payload:\n<<");
+        Serial.println(payload);
+        Serial.println(">>");
+      }
+    } else {
+      Serial.printf("[HTTP] POST... failed, error: %s\n", http.errorToString(httpCode).c_str());
+    }
+
+    http.end();
+  }
+  else {
+      Serial.println("Reconnecting to WiFi...");
+      WiFi.disconnect();
+      WiFi.reconnect();
+  }
+}
 void setup() {
 
   pinMode(led, OUTPUT);
@@ -78,10 +130,11 @@ void setup() {
   digitalWrite(pump_con,LOW);
   
   Serial.begin(115200);
+  
   delay(10);
 
   // We start by connecting to a WiFi network
-  WiFiMulti.addAP("CHANGEME", "CHANGEME");
+  WiFiMulti.addAP(SSID_NAME, PASSWD);
 
   Serial.println();
   Serial.println();
@@ -108,6 +161,7 @@ void loop() {
     digitalWrite(led,HIGH);
     digitalWrite(pump_con,HIGH);
     update_server(pump_on);
+    send_sensor_data();
     Serial.println("Pump On, Sleeping 60s");
     count++;
     delay(60000);