Category: Technology

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Community Created Free and Open Maps of India

Table of Contents1 OpenStreetMap2 PC & AC Maps3 State and District Boundaries4 Municipal Spatial Data5 Indian Village Boundaries (Maps)6 Footnotes Since the beginning of Data{Meet} maps have been hottest discussion subjects. Data{Meet} community has contributed to various maps over the years. But Data{Meet} is a small part of much bigger mapping community in...

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Review of rotring Tikky 3in1 Pen

If you know me then you would probably know that my biggest weakness is stationery stores. I love everything they have from notebooks to erasers. I love buying pens, notebooks and watches. Unlike watches I do use notebooks and pens on daily basis. For a long time I used Reynolds Jetter Ballpen. Its...

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Nomie – How I Track Everything in My Life

Nomie is a simple and usable tracker. What makes it better is it doesn’t have artificial restrictions, doesn’t lock you down, its private, customizable and has great API support if you are a DIY kind of Quantified Self practitioner. But none of these matter if the app is not usable or useful. So...

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Book: Spam Nation

Spam Nation by Brian Krebs reads like a crime thriller. For cyber security enthusiasts Krebs is no stranger. He has been writing about cyber security and crime on his blog KrebsOnSecurity for more than seven years now and before that at WaPo. I have been reading his blog for more than half a...

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The demonetisation drive ignores India’s 15m visually impaired people

With some 15 million visually impaired citizens, India has the highest number of blind people in the world. Yet, they have been largely ignored in the demonetisation drive on in the country aimed at curbing black money in the economy. Generally, hard cash, whether its currency notes or coins, have features for the...

The UART over BLE Protocol flow. 10

UART GATT Server (Peripheral) on Android

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...