Raspberry pi blinking led

Raspberry pi – blinking led in morse

In my previous post i described how i created high available replicated storage with raspberrypi In this post i will guide you how to interface raspberry pi to blink a led in morse code for the user input.The same signal fed into the LED can be send to a radio transmitter and we can transmit it in radio frequency . Recently i starter learning morse code and i am going to apply a license for Amateur radio operator. ...

October 7, 2017 · 5 min · Vignesh Ragupathy

Machine learning – Network traffic classification using weka

Overview This post is about how to classify network traffic captured from wireshark using weka machine learning algorithm. I tried few other methods like nltk,sckikit,python scripts with naive bayes implementation and finally decided to use weka mainly because of its simplicity,easy to use and also because it is written in java so it is easier to integrate with other java applications(which is i am planning to do).You can check my github machine learning project page for the other methods i tried. ...

October 7, 2017 · 4 min · Vignesh Ragupathy

Trip to wild – Bannerghatta National Park

I have been trying my hand in photography for a few months now. Recently during a trip to Bannerghatta National Park i managed to shoot some of the wildlife using my DSLR camera. Here are few snaps from my recent trip to Bannerghatta National Park. Tiger’s tongue is so coarse, it can lick flesh down to the bone. The tiger’s tongue is covered with numerous small, sharp, rear-facing projections called papillae. These papillae gives the tongue is rough, rasping texture and is designed to help strip the skin, feathers, fur and meat right off its prey ...

October 7, 2017 · 2 min · Vignesh Ragupathy

bike trip to ooty

So…. I thought of a bike trip after New Year. This time taking my wife on the trip. So I was thinking something short in distance something less than 150 km, then Ooty comes to my mind. Then we both decided to go on a trip from Coimbatore to Ooty. It is a weekend trip, we just decided 3 days before, so no big plans. Since it is the weekend, I know most of the hotels will be booked. So, I searched for decent hotels under 3k. After reading reviews from Tripadvisor and Google I booked Hotel Lakeview. I managed to pay around 2.5k after applying coupons from MakeMyTrip. ...

October 7, 2017 · 4 min · Vignesh Ragupathy

Bike trip to Goa

Someone once said “Happiness is a path, not a destination” and I know its very true when i started to travel in bike.I have plans to visit many places in bike for this year and then one of my friend called and we both decided to go Goa for a bike trip. We are 3 person in two bike, a Royal enfield and a Yamaha Fz. We don’t have much plans to do in Goa, only thing we wanted is to go there in a bike. ...

October 7, 2017 · 4 min · Vignesh Ragupathy