Category: Technology

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Learn Kannada using Flash Cards

I started Nithya Kannada – ನಿತ್ಯ ಕನ್ನಡ a month back, along with a friend. Nithya Kannada – ನಿತ್ಯ ಕನ್ನಡ is simple and quick learning material to learn Kannada. It’s a collection of audio files. Each audio file is a simple conversation in English and Kannada. It also contains text in English, Kannada Transliterated...

NodeMCU responding back to commands sent over bluetooth SPI 0

Configuring HC-05 using NodeMCU and Performing Transparent Serial Communication

As you know I have been experimenting around Bluetooth. Until now it’s mostly on Bluetooth Low Energy (BLE) which I think is much easier to understand and implement[1 At the application level]. Last few weeks I have been exploring the Classic Bluetooth, specially Serial Port Profile (SPP). This is when I found out...

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Using Cheap Logic Analyzer with PulseView

In my fourth semester of engineering I built a logic analyser mostly using analog components and parallel port. After that I had not thought about one. But for last few weeks I have been dabbling with reverse engineering some signals. A logic analyser comes in handy for that. I really wanted to buy...

Image Credit: Espressif Systems. ESP32 is created and developed by Espressif Systems. 1

ESP32 – BLE : Building an Echo Service GATT Server

As you would know I use ESP8266 in every possible way. It’s probably the cheapest board with Wifi chip built-in. When I heard about ESP32, it was a dream come true. ESP32 packs both Wifi and BLE in one single module for less than $10. Given the size of developer fan following 8266...

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Reading books on a phone – How I make the most of it

Table of Contents1 Note2 Tool – FBReader3 Customize reading experience4 Highlighting5 Dictionary6 Customize Fonts7 Sync and Backup8 Where to get books?9 eBook Management10 Subscribe to Book distributions11 Footnotes I have a kindle with keyboard. I love the hardware. Its easy on eyes, easy to carry and stays “on” forever. That said I have...

Computer History Museum Tickets with Punched cards 0

Computer History Museum

I was in Mountain View for Google I/O. I used this opportunity to visit Computer History Museum. I must say it’s one of the best museums that I have been to. It’s a must. If you ever go to Mountain View, please visit. I spent almost a day, even that was not enough....