LockDown PC based on availability of Bluetooth Device

programming

This article describes a method of locking the PC when the user is not around.Actually it detects the user mobile phone’s bluetooth (And yes it has to be turned on all the time.) and if the application can’t find the phone it sends a command to lock down the workstation.The codes are written in  JAVA and it uses the Bluecove library ,which is a open source one. The app uses the bluetooth MAC address instead of the name so as to provide security. So first we need to find out…

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Automatic project structure/git creation in Windows

automatic project creator

While working in projects on a daily basis, as I do for YouTube videos, we tend to create the same folder structure and related repositories every time, as we move to the next project.  For me, it is like creating folders for video, code, uploaded video, schematics and so on and in my most of the video for YouTube, I always create almost same folders. Along with that, I create GitHub repository to host the codes that I use in the project or tutorial to distribute. And I hate doing the…

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Respeaker 2 HAT With Raspberry Pi

Respeaker HAT

[sg_popup id=”1503″ event=”onLoad”][/sg_popup] This article is around Raspberry Pi and this Re speaker 2 Mics Pi HAT. ReSpeaker 2-Mics Pi HAT is a dual-microphone expansion board for Raspberry Pi designed for voice applications, like Amazon Alexa or Google Assistant. So if you are interested in playing around Alexa or assistant enabled applications with Raspberry Pi you can certainly try this out. We will set it up with Raspberry Pi and will check some demo applications. The board is developed around WM8960, a low power stereo codec. There are 2 microphones…

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OpenHAB2 Installation on Ubuntu Server (16.04)

Ubuntu and OpenHAB

 In my last post about the installation of Zulu JDK to Ubuntu 16.04 server, I covered how to do so and was required so that OpenHAB can run on my server. This post is in the line of my last post and is about the installation of OpenHAB to ubuntu 16.04 server. This post is all about installing OpenHAB to Ubuntu 16.04 using the manual method. I tried with apt-get, but that didn’t work for me.   STEP 1 (Download OpenHAB runtime): Navigate to a folder where you can download files…

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Install Zulu JDK on Ubuntu

ZULU JDK on Ubuntu

[sg_popup id=”3″ event=”onload”][/sg_popup] Recently I moved my server to Ubuntu from windows. I went with Ubuntu 16.04 server edition as it is lightweight as compared to desktop edition and comes preloaded with some server tools. As I am running OpenHAB for my home automation system I wanted to install it on the server but the server edition doesn’t come with JAVA/JDK pre-installed. As per OpenHAB, Zulu JDK is the recommended JAVA platform and performs better as compared to OpenJDK. Though Oracle JDK can be installed, I thought of trying ZULU.…

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Setting up Amazon Echo Dot (Indian Variant)

Amazon Echo Dot

Recently we got the Indian variant of the Amazon Echo Dot which Amazon has started shipping this Nov in India.  Being a Home Automation Enthusiast I was eagerly waiting for that and is desperately into checking out the features of the Echo Dot with my DIY Home automation System. But before publishing video around Echo Dot with OpenHAB and my Automation System this post is about setting up the Echo Dot when you are using it for the first time, which is actually pretty easy.  So stay tuned for upcoming…

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Access Watchdog Timer of Raspberry Pi using JAVA

This tutorial is all about using the watchdog timer of Raspberry Pi by using JAVA. For this, we are going to use Pi4J library. Watchdog Timer: “A watchdog timer (sometimes called a computer operating properly or COP timer, or simply a watchdog) is an electronic timer that is used to detect and recover from computer malfunctions. During normal operation, the computer regularly resets the watchdog timer to prevent it from elapsing, or “timing out”. If due to a hardware fault or program error, the computer fails to reset the watchdog, the timer will elapse and generate a timeout signal.…

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NATASHA: AI assistant using Raspberry Pi

This video is around AI Assistant, Natasha with a voice interface. She can do all basic stuff, identify your voice, can read out text from images, can control devices in your home making them more interactive, and lots more.Apart from that, she can understand the local language, which in our case is Hindi. The whole project is developed in Python. This project is made open source.To view more of this project, and contribute to it, Check the GitHub link: bit.ly/2ldEI5X

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ESP32 : Programming using Arduino IDE

ESP32

[sg_popup id=3] ESP32: ESP32 is highly-integrated with inbuilt antenna switches, RF balun, power amplifier, low-noise receive amplifier, filters, and power management modules. ESP32 adds priceless functionality and versatility to your applications with minimal Printed Circuit Board (PCB) area requirements. (Source: bit.ly/2yr3R1o) this video is around how to get started with ESP32 and programming it using Arduino IDE. This video shows a simple example of printing out some data to the serial console from the ESP32 module programmed using Arduino IDE. To enable programming of the ESP32 module from Arduino IDE we…

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