In the Part 1 article , I had written in detail about creating wifi enabled temperature and humidity logger using ESP8266 and NodeMCU. In this article (which is the Part 2), I will discuss about the storing and accessing data generated by the device which we created in Part 1. If you recollect, the ...

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In this project I have used ESP8266 and DHT11 sensor to create a temperature and humidity logger, that transmits data over wifi. Currently, data is transmitted to a CouchDB instance, but with minor modifications to the code it should be possible to send data somewhere else. I have divided this tutor ...

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After experimenting with and reading a lot about IoT technologies, I decided to create something. So here my first IoT project: The wifi enabled portable display. This tiny little display connects to a internet over Wifi and waits for messages. It is possible to send text messages or images to the d ...

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Someone rightly said , “A picture is worth a thousand words” ! In the electronics world we can say this translates to, “ A display is worth a thousand LEDs”. I have always wanted to add some sort of display to my microcontroller projects. The main issues I faced with this were: The most com ...

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In this article I will show you, how we can create a very basic wifi network detector using a ESP8266 module, a LED and some code. If you are new to ESP8266 I strongly recommend you read my introductory article on it. We will use a ordinary LED connected to one of the GPIO pins of ESP8266 to indicat ...

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IoT (Internet of things) is a hot topic these days. Simply put, IoT refers to a network of small interconnected devices that can communicate with each other.In last few years, we have seen steady flow of inexpensive and powerful programable embedded devices/boards. Arduino is an excellent example. T ...

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It has been a long time I posted something on my website. I was busy learning about NoSQL , mainly CouchDB. So, in this article I show you how to create a basic portfolio management web application using CouchDB and AngularJS. Our application will allow the user to add entries to a stock portfolio. ...

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I am sure many of you might have wished to have a portable C# compiler + editor combo which you can carry with you anywhere. Sometime ago, I had the same need. Unfortunately there exists no version of ‘Visual Studio’ which can be termed ‘light weight/portable’. Hence, I started researching for ways ...

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If you are new to ‘Raspberry pi‘ (a.k.a Raspi) like me, you might be wondering which operating system should you use with your Raspi. in this post, I will summarize what you can do with Raspbmc operating system . The Raspbmc OS is actually port of the famous XBMC project for Raspi. so here are some ...

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Recently javascript libraries like knockout.js have received lot of attention. Beyond any doubt, knockout.js is a really wonderful little library which allows you do MVVM inside browser using javascript. Now let us come to the question, Do I really need to us knockout.js in my ASP.NET (MVC/ WebAP ...

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