Last week I published a small book on Amazon titled : Student’s Manual of Job Interviews: Advice on cracking job interviews for technology students Frankly speaking there are many books on resume and job interview preparation. This book however is specifically written for technology students, engi ...

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Every since I got my hands on a Foldscope, I have been pretty much obsessed with it. I have used the Foldscope to see and discover many interesting things. One fun activity, I am sure every Foldscope user must have tried, is observing insects using a Foldscope. If you have ever tried observing inse ...

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Since a long time I wanted to create something cool using LEDs and Arduino for Diwali. For those who don’t know, ‘Diwali’ is known as ‘festival of lights’ in India. During Diwali you will see houses and buildings decorated with earthen lamps (called ‘diyas’), lanterns and LED lights. Shown below is ...

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In my previous articles, I had written in detail about creating wifi enabled temperature and humidity logger using ESP8266 + NodeMCU and configuring a NoSQL(CouchDB) database to store data transmitted by it. In this article, we are going make our IoT device tweet temperature and humidity readings us ...

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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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