Hello!
I have an Arduino UNO with ESP8266 and 2 DS18B20 to take readings from 2 fridges.
Can’t get any readings. Gauges stay in -127.
Login timeout and heartbeat timeout.
`
#define BLYNK_PRINT Serial // Comment this out to disable prints and save space
#define ONE_WIRE_BUS 10
#define TWO_WIRE_BUS 11
#include <OneWire.h>
#include <DallasTemperature.h>
#include <ESP8266_Lib.h>
#include <BlynkSimpleShieldEsp8266.h>
#include <TimeLib.h>
#include <SimpleTimer.h>
OneWire oneWire(ONE_WIRE_BUS);
DallasTemperature DS18B20(&oneWire);
OneWire twoWire(TWO_WIRE_BUS);
DallasTemperature DS18B20B(&twoWire);
// You should get Auth Token in the Blynk App.
// Go to the Project Settings (nut icon).
char auth[] = "token";
SimpleTimer timer;
// Your WiFi credentials.
// Set password to "" for open networks.
char ssid[] = "RingOfFire";
char pass[] = "adorobaratas";
// Hardware Serial on Mega, Leonardo, Micro...
//#define EspSerial Serial1
// or Software Serial on Uno, Nano...
#include <SoftwareSerial.h>
SoftwareSerial EspSerial(2, 3); // RX, TX
// Your ESP8266 baud rate:
#define ESP8266_BAUD 9600
ESP8266 wifi(&EspSerial);
void setup()
{
// Set console baud rate
Serial.begin(9600);
delay(10);
// Set ESP8266 baud rate
EspSerial.begin(ESP8266_BAUD);
delay(10);
Blynk.begin(auth, wifi, ssid, pass);
DS18B20.begin();
DS18B20B.begin();
timer.setInterval(1000L, sendTemps); // Temperature sensor polling interval (5000L = 5 seconds)
}
float tempCong;
float tempResf;
void sendTemps()
{
DS18B20.requestTemperatures(); // Polls the sensors
DS18B20B.requestTemperatures();
tempCong = DS18B20.getTempCByIndex(0); // Gets first probe on wire in lieu of by address
tempResf = DS18B20B.getTempCByIndex(0);
Blynk.virtualWrite(4, tempCong);
Blynk.virtualWrite(5, tempResf);
}
void loop()
{
if (tempCong >= -8)
{
//Blynk.notify("Temperatura alta!");
Blynk.email("rodrigo.cavalheiro@gmail.com", "Alerta de temperatura", "Câmara de congelados acima de -8C!");
delay(100000);
}
if (tempResf >= 11)
{
//Blynk.notify("Temperatura alta!");
Blynk.email("rodrigo.cavalheiro@gmail.com", "Alerta de temperatura", "Câmara de resfriados acima de 11C!");
delay(100000);
}
Blynk.run();
timer.run();
}
`
Many thanks!
Rodrigo
