I used Twitter Streaming API to collect around 272300 tweets in a duration of 24 hours starting July 14 2020. I wrote small piece of code using tweepy python library and stored them to a sqlite database. This video contains results of a datascience experiment which I performed on tweets containin ...

Read more ...

Last year, I was introduced to a wonderful scientific instrument called the ‘Foldscope’. I have spent hours observing things with it. One of my favorite past times is to observe ciliates using the Foldscope. Ciliates are very simple single cell organisms which are easy to find and come in numerous s ...

Read more ...

Like everyone else I studied ‘stomata’ when I was in school, however never got to see those till I purchased a Foldscope. The Foldscope is an amazing instrument and can be a great teaching aid in classrooms. Capturing stomata images can be very tricky. You need to be able to take an epidermal peel f ...

Read more ...

Pollen grains are some of the easiest and most interesting objects for observing under a microscope. I have observed many different types of pollen grains using my Foldscope. Here is a small summary of my findings: Pumpkin PollenPumpkin pollen grains are somewhat bigger in size. Using a foldscope yo ...

Read more ...

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 ...

Read more ...

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 ...

Read more ...

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 ...

Read more ...

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 ...

Read more ...

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 ...

Read more ...

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 ...

Read more ...