Arduino Code

Project.ino

+
+#include <WiFiNINA.h>
+#include "ThingSpeak.h"
+
+char ssid[] = "SKYACDWV_2GEXT";  //network SSID
+char pass[] = "tCNGqxviKrBK";  //private network password
+unsigned long channelID = 1295506;
+const char * apiKey = "VL6RQ2RMEKEEXW0K";
+
+WiFiClient  client;
+int ledPin = 12;
+int lightPin = A1;
+
+bool doorOpen = false;
+
+void setup() {
+  // put your setup code here, to run once:
+  Serial.begin(9600);
+  pinMode(ledPin, OUTPUT);
+  //pinMode(lightPin, INPUT);
+
+  ThingSpeak.begin(client);  //Initialize ThingSpeak
+
+}
+
+
+
+void loop() {
+  // put your main code here, to run repeatedly:
+  if (WiFi.status() != WL_CONNECTED) {      //for connecting or reconnecting to wifi
+    Serial.print("Attempting to connect to SSID: ");
+    Serial.println(ssid);
+    while (WiFi.status() != WL_CONNECTED) {
+      WiFi.begin(ssid, pass);
+      Serial.print(".");
+      delay(5000);
+    }
+    Serial.println("\nConnected.");
+  }
+
+  float lightsensor = analogRead(lightPin); //reads light level
+  Serial.println(lightsensor);  //prints light level
+
+  if (lightsensor > 400) {  //if in light - door open
+
+    if (!doorOpen) {    //preventing repeating reports
+      Serial.println("Door Opened");
+      int x = ThingSpeak.writeField(channelID, 1, String("Door Opened"), apiKey);  //write to channel 1
+      if (x == 200) {
+        Serial.println("Door Reported");
+      }
+      else {
+        Serial.println("Error code " + String(x));
+      }
+    }
+    doorOpen = true;
+
+    for (int i = 0; i < 25; i++) {  //flash and wait if door open
+      digitalWrite(12, LOW);
+      delay(100);
+      digitalWrite(12, HIGH);
+      delay(100);
+    }
+
+  } else {
+    digitalWrite(12, HIGH); //just wait if door closed
+    doorOpen = false;
+    delay(5000);
+  }
+
+
+}