Tagged: Code

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Building an Alexa Skill using OpenWhisk and CouchDB

Smart Speakers are becoming popular these days. I see Alexa or Google home everywhere, Voice is an interesting technology and I think it’s going to become very popular amongst younger and elderly community. Here in this tutorial we will create a simple Alexa Skill using OpenWhisk as our serverless platform and CouchDB as our database.

Using Netatmo and Pushover API to get weather alerts. 1

How to setup and run Node-Red

Node-Red is IBM open source project for wiring things on internet. It was started by IBM’s Emerging Technology Services team and now is part of JS Foundation, For anyone who has been a fan of Yahoo Pipes the interface and functioning seem similar. Node-Red connects different parts of the web together regardless of...

Line graph of PM 2.5 0

Visualizing Air pollution in Bangalore using Brunel

Brunel defines a highly succinct and novel language that defines interactive data visualizations based on tabular data. Brunel is Visualization language. It’s a domain specific language. It has its own grammar. It feels familiar to anyone who thinks in data and want to visualize it. Brunel is also open source and works well...

Hi from Minetest 0

How to Write your First Minetest Mod

I am a big fan of Minecraft. I remember buying it in 2011 from Mojang for 15 euros. It’s one of the few games I bought. It’s also one of those games I visit once in a while. My recent experiments with it has been using Minecraft pi and Minecraft API mostly around...

Street Name Signs in India is usually dual language. The English part is a transliterated version. 2

Almost Everything You Need to Know About Kannada Transliteration

Wikipedia says Transliteration is a type of conversion of a text from one script to another that involves swapping letters (thus trans- + liter-) in predictable ways. For Kannada we usually use Latin letters to represent1 Kannada script. Most of the time this conversion is based on phonetic similarity. It sounds simple but...

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...