MEGR 3171L IOT Project: Greenhouse Multi-Sensor

#define BLYNK_TEMPLATE_ID "TMPLbwBk_tqd"
#define BLYNK_DEVICE_NAME "Quickstart Template"
#define BLYNK_AUTH_TOKEN "1fQEu6uCaSZ2Yu3BSlci2-4PDmHDSiz0"
#define PIXEL_PIN D6 
#define PIXEL_COUNT 1
#define PIXEL_TYPE WS2812B 
#define BLYNK_PRINT Serial
#define SEALEVELPRESSURE_HPA (1013.25) 

#include <neopixel.h>
#include <blynk.h>
#include <CE_BME280.h>

Adafruit_NeoPixel strip = Adafruit_NeoPixel(PIXEL_COUNT, PIXEL_PIN, PIXEL_TYPE);

SYSTEM_MODE(AUTOMATIC); 
int light = D7;
int led = D8;
char auth[] = BLYNK_AUTH_TOKEN;
CE_BME280 bme;
int brightness = 50; 
float bmeTemperature; 
float bmePressure; 
float bmeHumidity; 
float Light; 
float dewpoint; 
int wifiStrength; 
float startTime; 
float sensorValue; 
float Temp;
void setup() 
{ 
   pinMode(led, OUTPUT);
   digitalWrite(led, LOW);
   pinMode(light, OUTPUT);
   digitalWrite(light, LOW);
   Particle.subscribe("Argon_1_connected", myHandler, MY_DEVICES);
   Particle.subscribe("Argon_2_connected", myHandler1, MY_DEVICES);
   
   strip.begin(); 
   strip.setBrightness(brightness); 
   strip.show(); // Initialize all pixels 
   Serial.begin(9600);
   Blynk.begin(auth); 
   delay(2000); 
   if(bme.begin()){ 
       String errorMessage; 
       errorMessage = "Not found"; 
       Spark.publish("BME280 Error", errorMessage); 
       } 
   startTime = millis(); 
}
void loop(){ 
   Blynk.run(); 
   if (millis() > startTime + 2000){ 
       startTime = millis(); 
       wifiStrength = map(WiFi.RSSI(), -100, 0, 0, 100); 
       Blynk.virtualWrite(V20, wifiStrength);         
       getLight(); 
       getBME280Data(); 
       Particle.publish("WiFi_Sent","WiFi");
       Particle.publish("Temp_Sent","Temp");
       
            
       
       delay(2000);
   } 
}
void getLight(){ 
   for(int x = 0; x <= 2; x++){      //3 point averaging filter
       sensorValue = sensorValue + analogRead(A0); 
   } 
   sensorValue = sensorValue / 3; 
   Light = float(sensorValue) * 100 / 4095; 
   Blynk.virtualWrite(V11, Light); 
}
void getBME280Data(){ 
   bmeTemperature = bme.readTemperature() - 3; 
   Blynk.virtualWrite(V12, bmeTemperature); 
   bmeHumidity = bme.readHumidity(); 
   if (bmeHumidity > 1){ 
   Blynk.virtualWrite(V13, bmeHumidity); 
   } 
   bmePressure = (bme.readPressure()/100) - 3; 
   Blynk.virtualWrite(V14, bmePressure); 
   dewpoint = bmeTemperature - ((100 - bmeHumidity)/5); 
   Blynk.virtualWrite(V15, dewpoint);
}
void myHandler(const char *event, const char *data){
    digitalWrite(led,HIGH);
    }

void myHandler1(const char *event, const char *data){
    digitalWrite(light,HIGH);
    }