Rei Vilo
Published © CC BY-NC-SA

Weather and Security Station with Blynk

Monitor weather and security remotely with Blynk and the CC32000 LaunchPad!

IntermediateFull instructions provided4,135
Weather and Security Station with Blynk

Things used in this project

Hardware components

CC3200-LAUNCHXL SimpleLink CC3200 Wi-Fi LaunchPad
Texas Instruments CC3200-LAUNCHXL SimpleLink CC3200 Wi-Fi LaunchPad
×1
Grove Starter Kit for LaunchPad
Seeed Grove Starter Kit for LaunchPad
×1

Software apps and online services

Energia
Texas Instruments Energia
Blynk
Blynk
embedXcode

Story

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Code

blynkweather.ino

C/C++
Code for Energia
///
/// @mainpage	blynkWeather
///
/// @details	Blynk with Weather for CC3200
/// @n
/// @n
/// @n @a		Developed with [embedXcode+](http://embedXcode.weebly.com)
///
/// @author		Rei Vilo
/// @author		http://embeddedcomputing.weebly.com
/// @date		23/07/2015 13:58
/// @version	101
///
/// @copyright	(c) Rei Vilo, 2015
/// @copyright	CC = BY SA NC
///
/// @see		ReadMe.txt for references
///


///
/// @file		blynkWeather.ino
/// @brief		Main sketch
///
/// @details	Example sketch
/// @n @a		Developed with [embedXcode+](http://embedXcode.weebly.com)
///
/// @author		Rei Vilo
/// @author		http://embeddedcomputing.weebly.com
/// @date		23/07/2015 13:58
/// @version	101
///
/// @copyright	(c) Rei Vilo, 2015
/// @copyright	CC = BY SA NC
///
/// @see		ReadMe.txt for references
/// @n
///


// Core library for code-sense - IDE-based
#if defined(ENERGIA) // LaunchPad specific
#include "Energia.h"
#else // error
#error Platform not defined
#endif // end IDE

// Include application, user and local libraries
#include "Wire.h"
#include "Sensor_BMP180.h"
#include "Sensor_DHT.h"
#include "Sensor_PIR.h"

#ifndef __CC3200R1M1RGC__ // Do not include SPI for CC3200 LaunchPad
#include <SPI.h>
#endif
#include "WiFi.h"
#include <WiFiClient.h>
#include <BlynkSimpleCC3200.h>
#include "SimpleTimer.h"


// Prototypes


// Define variables and constants
Sensor_BMP180 myBMP180;
Sensor_DHT myDHT(24, DHT22);
Sensor_PIR myPIR(27);


#define BLYNK_PRINT Serial    // Comment this out to disable prints and save space


// You should get Auth Token in the Blynk App.
// Go to the Project Settings (nut icon).
char auth[] = "AuthToken";
SimpleTimer Timer;
const uint8_t myRelay = 23;

bool alarm = false;

void sendUptime()
{
    myPIR.get();
    alarm |= myPIR.status();
    BLYNK_LOG("myPIR    %8i %8i", myPIR.status(), alarm);
    digitalWrite(RED_LED, alarm);

    // You can send any value at any time.
    // Please don't send more that 10 values per second.
    Blynk.virtualWrite(4, alarm);
}

// Add setup code
void setup()
{
    Serial.begin(9600);

    Wire.begin(); // required by BMP180
    myBMP180.begin(3);
    myDHT.begin();
    myPIR.begin();
    
    pinMode(RED_LED, OUTPUT);
    digitalWrite(RED_LED, HIGH);
    delay(1000);
    digitalWrite(RED_LED, LOW);

    Blynk.begin(auth, "SSID", "password", 0); // WLAN_SEC_WPA2

    // Setup a function to be called every second
    Timer.setInterval(1000L, sendUptime);
}

// Add loop code
void loop()
{
    Blynk.run();
    Timer.run();
}

// This function tells Arduino what to do if there is a Widget
// which is requesting data for Virtual Pin (0)
BLYNK_READ(0)
{
    myBMP180.get();
    float t1 = myBMP180.temperature();
    float p  = myBMP180.pressure();
    // This command writes t1 to Virtual Pin (0)
    Blynk.virtualWrite(0, t1);
    // This command writes p to Virtual Pin (0)
    Blynk.virtualWrite(1, p);
    BLYNK_LOG("myBMP180 %8.1f %8.1f", t1, p);
}

// This function tells Arduino what to do if there is a Widget
// which is requesting data for Virtual Pin (2)
BLYNK_READ(2)
{
    myDHT.get();
    float t2 = myDHT.temperature();
    float rh = myDHT.humidity();
    // This command writes t2 to Virtual Pin (2)
    Blynk.virtualWrite(2, t2);
    // This command writes rh to Virtual Pin (3)
    Blynk.virtualWrite(3, rh);
    BLYNK_LOG("myDHT    %8.1f %8.1f", t2, rh);
}

// This function will be called every time
// when App writes value to Virtual Pin 5
BLYNK_WRITE(5)
{
    BLYNK_LOG("Reset alarm %s", param.asStr());
    // You can also use: asInt() and asDouble()
    if (param.asInt() > 0) alarm = false; // reset
}

Credits

Rei Vilo

Rei Vilo

10 projects • 21 followers
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