Fog computing is a system-wide architecture made up with near-user edge devices which is useful for deploying seamlessly resources and services for computing, data storage, network capabilities over the infrastructure that connects Cloud to the Internet of Things (IoT). Fog Computing is an extension and improvement of the Cloud paradigm in support of IoT applications that must comply with precise … [Read more...]
Archives for August 2017
Install Apache Drill on Ubuntu 16.04 LTS Single Cloud Server
Apache Drill is SQL Query Engine for Hadoop, NoSQL, Cloud Storage and file systems including HBase, MongoDB, MapR-DB, HDFS, MapR-FS, Amazon S3, Azure Blob Storage, Google Cloud Storage, Swift, NAS and local files. As example, we can join a collection in MongoDB with a directory of event logs in Hadoop. Apache Drill features JSON data model which enables queries on complex and nested data. Drill … [Read more...]
Cloud Hosting Providers : Best & Cheap of 2017
Previously we published another 2017 year based list of providers related to cloud computing - forever free cloud storage providers. Cloud hosting providers means the companies selling cloud server. All look for practical matters like uptime, cost, support, other freebies. The reason of publication of year-wise names of providers is frankly for adjusting cost, general opinion of the real users in … [Read more...]
Arduino Wireless Electricity Transmission Project
Definitely you heard or saw or using some from of wireless electricity transmission. We have a basic technical article on wireless charging. This guide, Arduino wireless electricity transmission is a complete DIY, easy project with basic electronic components with circuit diagram and code. We talked about different types of copper wire, the needed wire is called winding wire. We will create need … [Read more...]
ATtiny Arduino Boards For Cost Saving Projects
It is probably normal or expected that many of the Arduino users will know very less about the microcontrollers. Genuine Arduino boards are for development purpose, but one need to search for low cost for really creating a project which will be used. The methods of cost reduction varies and depends on the skill of the readers. Ready to use cheap ATtiny Arduino boards available which can be used by … [Read more...]
Using Light Meter, Spot Meter For Better Photography
After all camera does not take photograph except few niche like street photography. In most artistic creations we arrange something like bird photography for outdoor and inside studio everything is artificial. Here is an article on why you should consider using Light Meter, Spot Meter for better photography rather than blindly finding by chance. The major reason to write this article is the fact - … [Read more...]
What is Virtual Private Cloud (VPC)?
Virtual Private Cloud is virtual as it is built on the top of public cloud. It is private as there is limited number of users access to the actual physical hardware behind. It is a cost saving option than private cloud. We are trying to explain what is virtual private cloud (VPC) in simple terms. Those who are not technical persons, they can read what is cloud computing in simple terms if concept … [Read more...]
Installing Apache Airflow On Ubuntu, CentOS Cloud Server
Apache Airflow possibly needs a small introduction. It is basically a usable part for managing servers running Big Data tools. Airflow scheduler executes tasks on an array of workers while following the specified dependencies. There is command line utilities. Similar technology is behind Luigi, Azkaban, Oozie etc. Luigi is simpler in scope than Apache Airflow. Here are the steps for installing … [Read more...]
DC Motor Speed Controller (PWM) Buying Guide
These days cheap China PCB circuits with knobs are sold as LED Dimmer, Voltage Regulator, Motor Speed Controller. Here is DC Motor Speed Controller (PWM) buying guide for understanding. If you do not understand what is PWM - that is Pulse-width Modulation, you need to watch our Arduino guide for DC motor control which has a video. In that video, we had way to input 0 to 255 values to control the … [Read more...]
Real-time Big Data Analytics in Health Care Using Tools From IBM
The goal of this article is to provide the readers a basic technical understanding for big data applications in the health care system as well as provide information to develop or integrate various technologies with definite possible positive effects as return. This article, Real-time Big Data Analytics in Health Care Using Tools From IBM, does not cover the other areas of application of Big … [Read more...]
DIY Benchtop Power Supply (ATX) : List of Needed Components
In previous articles we introduced to practical work on how we can use DIY benchtop power supply, we talked about various types switches and various types of fuses used in electrical and electronics. Our target is to help the newbie who are not used with electrical, electronics, have less budget but want to learn electronics works. I talked about what is -5V like negative voltage. Those previous … [Read more...]