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.
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...
I am planning to add some PM2.5 & PM10 sensors to my network for sensors which are at this point plain weather stations. With this I also wanted to explore a more scalable way of hosting data. Something that I can do easily and that I can suggest other readers. Some of my...
As a teenager I was very curious about stars and galaxies. Only time we could get to see something related was an yearly school trip to Jawaharlal Nehru Planetarium, Bangalore. As I grew up my interest moved to technology from science. Mostly because technology gave me an opportunity to tinker with. When I...
Let’s say I have a Bluetooth Low Energy device which is a GATT server and is not connected to internet. I have a phone which can connect to this BLE device, authenticate itself and do some data exchange. The problem I am trying to solve authentication. The condition is both BLE device and...
I use Nomie to track almost all things in my life. For a long time I wanted to log my commits so I can do some analysis like “where do I code the most?” etc. So as soon as I got the Nomie API key, I created post-commit hooks to track code commits....
In most BLE scenarios, Android app is a client (GATT Client). But one can also use Android as a GATT Server. There are use-cases where running a GATT Server on Android can be useful. For example let’s say you want a desktop app to display SMS notifications. It’s easy to write a GATT...
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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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(C) Thejesh GN.The views expressed on this site are mine (Thejesh GN) alone and do not necessarily reflect the views of my employer. Please read the terms and conditions before reading or commenting on this blog.
