A container for all my views with excerpts from technology, travel, films, books, kannada, friends and other interests. I am Thejesh GN, friends call me Thej.
Table of Contents1 What is SDR?2 What is RTL SDR?3 Software3.1 GNU Radio3.2 PLSDR3.3 ShinySDR4 Footnotes I am an electronics and communication engineer by education 1. The most fascinating subjects during my engineering were Antenna theory and Fields & Waves. They were also very difficult and confusing. Mostly because it was just theory...
Table of Contents1 Model- Zeroplus LAP Educator2 Software2.1 No Linux support yet3 Standard4 Protocol Analyzer Logic Analyzer is a good tool to have on your work bench. You read about my experiments with cheap knockoff last time. Now I have a Zeroplus LAP Educator1. It’s a 8 channel Logic Analyzer targeted at DIY...
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...
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...
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...
Couple of weeks back I bought a few iTags. These are simple BLE buttons. They have a small led, a button and a buzzer. CR2032 – a 3v coin cell battery powers it. Since they are Bluetooth Low Energy devices, a single cell can power them for years. It’s easy to change batteries...
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Thejesh GN (ತೇಜೇಶ್ ಜಿ.ಎನ್) "Thej" is an Independent Technologist, Hacker, Maker, Traveler, Blogger, InfoActivist, Open data and Open internet enthusiast from Bangalore, India. He loves experimenting with all things life and hence some times he is called hacker and other times duct tape. You can read more about him here. Email [ i @ thejeshgn dot com]. PGP/GPG Keys are here.
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