Initial commit

.theia/launch.json

+{
+  // Use IntelliSense to learn about possible attributes.
+  // Hover to view descriptions of existing attributes.
+  "version": "0.2.0",
+  "configurations": [
+    
+  ]
+}

sketch_jan11a.ino

+#include <WiFiNINA.h>
+#include <Buzzer.h>
+#include <rgb_lcd.h>
+#include <Wire.h>
+#include <Seeed_SHT35.h>
+#include <DHT.h>
+#include "ThingSpeak.h"
+
+// Function prototypes
+float readTemperature();
+int readLightLevel();
+int readSoundLevel();
+void checkAlerts(float temperature, int light, int sound);
+
+// Sensor and output pins
+#define DHTPIN 2           // DHT sensor pin
+#define DHTTYPE DHT11      // DHT 11 type
+#define LIGHT_SENSOR_PIN A0
+#define SOUND_SENSOR_PIN A1
+#define TEMP_SENSOR_PIN A2
+#define TEMP_LED_PIN 8     // LED for temperature alert
+#define LIGHT_LED_PIN 9    // LED for light alert
+#define SOUND_LED_PIN 10   // LED for sound alert
+#define BUZZER_PIN 11      // Buzzer pin
+
+// Initialize DHT sensor and RGB LCD display
+DHT dht(DHTPIN, DHTTYPE);
+rgb_lcd lcd;
+WiFiClient client;
+
+// Temperature sensor constants
+const int B = 4275;         // B value of the thermistor
+const int R0 = 100000;      // R0 = 100k
+const int pinTempSensor = A0; // Temperature sensor pin
+
+char ssid[] = "Pixel_7931";      // Your network SSID (name)
+char pass[] = "norbert1";   // Your network password
+int keyIndex = 0;             // Your network key Index number (needed only for WEP)
+
+unsigned long myChannelNumber = "2409148";   // Replace YOUR_CHANNEL_NUMBER with your ThingSpeak channel number
+const char *myWriteAPIKey = "VHG57K7FOIXKMUJ9";       // Replace YOUR_WRITE_API_KEY with your ThingSpeak Write API Key
+
+void setup() {
+  Serial.begin(9600);
+  while (!Serial) {
+    ;
+  }
+
+  if (WiFi.status() == WL_NO_MODULE) {
+    Serial.println("Communication with WiFi module failed!");
+    while (true);
+  }
+
+  String fv = WiFi.firmwareVersion();
+  if (fv != "1.0.0") {
+    Serial.println("Please upgrade the firmware");
+  }
+
+  ThingSpeak.begin(client);  // Initialize ThingSpeak
+
+  // Initialize the DHT sensor
+  dht.begin();
+  delay(2000);  // Wait for the sensor to stabilize
+
+  // Initialize the RGB LCD
+  lcd.begin(16, 2);
+  lcd.setRGB(0, 255, 0);  // Set initial backlight color to green
+
+  // Set sensor and LED pins as input/output
+  pinMode(TEMP_SENSOR_PIN, INPUT);
+  pinMode(LIGHT_SENSOR_PIN, INPUT);
+  pinMode(SOUND_SENSOR_PIN, INPUT);
+  pinMode(TEMP_LED_PIN, OUTPUT);
+  pinMode(LIGHT_LED_PIN, OUTPUT);
+  pinMode(SOUND_LED_PIN, OUTPUT);
+  pinMode(BUZZER_PIN, OUTPUT);  // Set buzzer pin as output
+}
+
+void loop() {
+      // Connect or reconnect to WiFi
+  if(WiFi.status() != WL_CONNECTED){
+    Serial.print("Attempting to connect to SSID: ");
+    Serial.println(ssid);
+    while(WiFi.status() != WL_CONNECTED){
+      WiFi.begin(ssid, pass); // Connect to WPA/WPA2 network. Change this line if using open or WEP network
+      Serial.print(".");
+      delay(5000);     
+    } 
+    Serial.println("\nConnected.");
+  }
+  // Read sensor data
+  float temp = readTemperature();
+  int lightLevel = readLightLevel();
+  int soundLevel = readSoundLevel();
+
+  // Display data on RGB LCD
+  lcd.clear();
+  lcd.setCursor(0, 0);
+  lcd.print("Temp: "); lcd.print(temp);
+  lcd.setCursor(0, 1);
+  lcd.print("Light: "); lcd.print(lightLevel);
+  lcd.setCursor(0, 2);
+  lcd.print("Sound: "); lcd.print(soundLevel);
+
+  // Print data to Serial Monitor
+  Serial.print("Temperature: "); Serial.println(temp);
+  Serial.print("Light Level: "); Serial.println(lightLevel);
+  Serial.print("Sound Level: "); Serial.println(soundLevel);
+
+  // Check thresholds and activate LEDs and buzzer
+  checkAlerts(temp, lightLevel, soundLevel);
+
+  // Write to ThingSpeak
+  int x = ThingSpeak.writeField(myChannelNumber, 1, temp, myWriteAPIKey);
+  if (x == 200) {
+    Serial.println("ThingSpeak update successful.");
+  } else {
+    Serial.println("Problem updating ThingSpeak. HTTP error code " + String(x));
+  }
+
+  delay(20000); // Delay for 2 seconds
+}
+
+float readTemperature() {
+  int a = analogRead(pinTempSensor);
+  float R = 1023.0 / a - 1.0;
+  R = R0 * R;
+  float temperature = 1.0 / ((log(R / R0) / B) + 1.0 / 298.15) - 273.15; // convert to temperature via datasheet
+  return temperature;
+}
+
+int readLightLevel() {
+  return analogRead(LIGHT_SENSOR_PIN);
+}
+
+int readSoundLevel() {
+  return analogRead(SOUND_SENSOR_PIN);
+}
+
+void checkAlerts(float temperature, int light, int sound) {
+  const float TEMP_THRESHOLD = 0.0;
+  const int LIGHT_THRESHOLD = 600;
+  const int SOUND_THRESHOLD = 400;
+  const int SOUND_BUZZER_THRESHOLD = 100; // Buzzer threshold for sound level
+
+  if (temperature > TEMP_THRESHOLD) {
+    digitalWrite(TEMP_LED_PIN, HIGH);
+    lcd.setRGB(255, 0, 0);  // Set backlight color to red for high temperature
+  } else {
+    digitalWrite(TEMP_LED_PIN, LOW);
+    lcd.setRGB(255, 0, 0);  // Set backlight color to green for normal temperature
+  }
+
+  if (light > LIGHT_THRESHOLD) {
+    digitalWrite(LIGHT_LED_PIN, HIGH);
+  } else {
+    digitalWrite(LIGHT_LED_PIN, LOW);
+  }
+
+  if (sound > SOUND_THRESHOLD) {
+    digitalWrite(SOUND_LED_PIN, HIGH);
+  } else {
+    digitalWrite(SOUND_LED_PIN, LOW);
+  }
+
+  // Activate buzzer if sound level is below the buzzer threshold
+  if (sound < SOUND_BUZZER_THRESHOLD) {
+    digitalWrite(BUZZER_PIN, HIGH);
+  } else {
+    digitalWrite(BUZZER_PIN, LOW);
+  }
+}
+
+
+
+
+