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18. GPS Tracker Using Blynk App

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Overview of NEO6M GPS Module This module is one of popular GPS modules on the market and is also cheap to buy. The location data provided by it is accurate enough to satisfy most applications. And for it to be included in smart phones and tablets design points out its efficiency. This module is famous among hobbyist and engineers altogether who want to work on applications involving navigation. The NEO-6MV2 is a GPS (Global Positioning System) module and is used for navigation. The module simply checks its location on earth and provides output data which is longitude and latitude of its position. It is from a family of stand-alone GPS receivers featuring the high-performance u-blox 6 positioning engine. These flexible and cost-effective receivers offer numerous connectivity options in a miniature (16 x 2.4 mm) package. The compact architecture, power and memory options make NEO-6 modules ideal for battery operated mobile devices with very strict cost and space constraints. Its
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17. Door Notification System

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Overview of Magnetic Door Sensor Door sensors have one reed switch and one magnet, creating a closed circuit. If someone opens an armed door or window, the magnet is pulled away from the switch, which breaks the circuit and triggers an event. Depending on your setup and what mode your system is in, this could be a discreet text, a chime alert, or a full-blown alarm. Connection of Magnetic Door Sensor In magnetic Door sensor have not Positive and Negative terminals. So, you   can connect One terminal to D1 pin of NodeMCU and another Terminal to Ground of NodeMCU as shown in figure. Program #define BLYNK_PRINT Serial  #include  <ESP8266WiFi.h>  #include <BlynkSimpleEsp8266.h>  BlynkTimer timer; int flag=0; // You should get Auth Token in the //Blynk App. // Go to the Project Settings (nut icon). char auth[] = "WRSu1DJITg2rSoBDuefgaWdMnCfBWDCY"; // Your WiFi credentials. // Set password to "" for open networks.  cha
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16. Wi-Fi Button

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Overview of IFTTT If This Then That, also known as IFTTT. it is a free web-based service to create chains of simple conditional statements, called applets. An applet is   triggered   by   changes   that   occur   within   other   web   services   such as Gmail, Facebook, Telegram, Instagram, or Pinterest. For example, an applet may send an e-mail message if the user tweets using a hashtag, or copy a photo on Facebook to a user's archive if someone tags a user in a photo. In addition to the web-based application, the service runs on iOS and Android. In February 2015, IFTTT renamed its original application to IF, and released a new suite of apps called Do, which lets users create shortcut applications and actions. As of   2015, IFTTT users created about 20 million recipes each day. All of the functionalities of the Do suite of apps have since been integrated into a redesigned IFTTT app. IFTTT is the free way to do more with hundreds of the apps and device
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