Thejesh GN Blog

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Testing Async systems with Karate Testing Framework

I have love and hate relationship with asynchronous systems. I love them because the flow is natural and doesn’t waste time and resources. I hate them because it’s difficult to test and debug. The most common asynchronous system that you would have used is Webhook type. Where you get a callback from an...

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Simple BLE Oximeter App using PHONK

In the past I would have used MIT AppInventor or Expo.io. Both have amazing ecosystems. It’s easy to build apps using them. But this time I wanted to use PHONK. I had used Protocoder before and had liked it. Also I have this idea of building small utility apps called applets (yes!), that...

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Echo and Pathu

Well it’s been more than a month since Paathu entered the scene. Echo has been here since the beginning of COVID-19 lock-down. Lock-down without them would have been worse. She shows her love a lot. Unlike Echo she is in your face. But she is also a lot younger and this is the...

Bluetooth Oximeter 0

Reverse Engineering A Bluetooth Low Energy Oximeter

Just as COVID-19 is spreading in Bangalore. I got an Oximeter which can measure SpO2. SpO2 is also called as oxygen saturation, According to Wikipedia Oxygen saturation is the fraction of oxygen-saturated hemoglobin relative to total hemoglobin (unsaturated + saturated) in the blood. The human body requires and regulates a very precise and...

Online BSc Degree program in Programming and Data Science. 0

Online BSc Course by IIT Madras

The application for the foundation level is open. If you have interest in perusing career in programming or data science. I think this is a good start. Given the amount of effort staff have put for NPTEL courses and videos. I think this course will be wonderful. I also have some good news...

Nitrogen dioxide concentrations over India 0

Climate Change and Coders

I was checking the air quality reports of Bangalore for the period of 3 months when we were under strict lock-downs due to COVID-19. Bengaluru’s air has been doing much better under the lock-down. I am sure this is not a unique case. According to the analysis by CREA, for the Health and...