Bicolor LEDs are cheap and quite popular as indicators of various things. 3 leg Here is Arduino 3 leg bicolor LED wiring and code to blink or fade. LEDs have color specific resistor values. A bicolor LED is practically two LEDs with one common anode or cathode. Some have common positive terminal (anode) and some have common negative terminal (cathode). When different voltage is applied to … [Read more...]
Computer and Internet
Computer and Internet is catchall section of core computing categories including Cloud Computing, Digital Photography, Virtualization, Networking, Protocols and Others' which are not otherwise more subcategorized. Here also you will get unique articles and news on computer hardware, Software, Networking and Protocols.
Sony A68, A99 Live View on Samsung LED Television (NU7100 Series)
Previously we described tethered shooting with Sony A68 with Mac and PC. In that case, we need Sony's freeware software to get the function. In this article, we will describe how to use Sony A68, A99 live view on Samsung LED Television (NU7100 Series) for tethered shooting to improve perfection. It is an undocumented feature of Tizen TV OS. Of course, Sony's other models of same range should be … [Read more...]
Autostart MySQL After a Crash : Solve WordPress Database Connection Error
WordPress Error establishing a database connection is frequently faced problem. In our previous guides, we pointed to properly configure my.cnf, that is adding [mysqld_safe] stanza at the end of my.cnf file with socket, PID. For newer versions of MYSQL, we written guide for Percona MySQL to auto-restart. Newer Ubuntu, Debian installations do not automatically create the required debian-sys-maint … [Read more...]
Method of Cleaning & Screen Protectors of Large Screen Televisions
It sounds odd to read but modern LED, OLED televisions has a coating on the surface! Many smartphones have Gorilla glass and their display technology actually different. Without knowledge of how to clean these large screen television really destroyed the screen of many owners by creating scratch (even crack), odd cloudy effect and similar horrible end. It can be impractical to think to repair them … [Read more...]
IBM Watson Studio : Drag and Drop Machine Learning Model Development
This article is an informative guide especially for those who are not used to data sciences but interested in developing an application with some AI or data analytics functions. Earlier we had shown how to easily use IBM Watson for text analysis (on Google Docs). This article more towards to help developing something like WordPress plugin to analyze post emotion using AI. IBM Watson Studio helps … [Read more...]
Installing LanguageTool (Grammer Checking Software) on Ubuntu Server
There are freemium tools like grammarly.com to check spelling issues. Although they often work as intended, their cost of service often high. Free versions do offer limited functions and force to use multiple software. On the whole earth, you'll find much open-source code which provides the framework for an online text-checking program. However, English syntax has never been successfully reduced … [Read more...]
What Are HDMI ARC, eARC and HDMI-CEC?
In our previous article on types of HDMI cables, we discussed the major matters to choose proper version of HDMI cable. HDMI 2.0 (HDMI 2.1 is latest at time of writing, November 2018) was decided to be the cheap yet practical solution. Now, what Is HDMI ARC, eARC and HDMI-CEC? HDMI ARC is for sending sound, HDMI-CEC mainly for control of the 2nd device with one remote control. HDMI eARC mainly for … [Read more...]
How To Install WP CLI With apt get On Ubuntu Server?
In previous articles we discussed about WP CLI. We used to avoid involving WP CLI as most of the new users with cloud, dedicated server may get confused on SSH. Many avoid WP CLI for multi-step CLI works. A Debian installer makes the installation, setup work just easy. This article will guide how to install WP CLI with apt get on Ubuntu server. This guide is usable on server with already running … [Read more...]
5 Key Data Backup Media for the Home Users
Data backup is one of the most important know-how this era of smartphone, digital camera and computers data backup even to an average user. Medium is what will hold the data. There are different medium and techniques of backup. Each of the medium and techniques has pros and cons. In this article elaborating 5 key data backup media for the home users, we need to consider factors like cost, … [Read more...]
Set Up mod_security And fail2ban To Create Anti-Spam Filter
It is common for the blogs, forums to face malicious web traffic on regular basis. This malicious traffic not only harmful by simply wasting server resources, slowing down the site but also can lead to ban by third party Advertisement networks, such as Google AdSense. Here is How To Set Up mod_security And fail2ban To Create Anti-Spam Filter For Web Software Auch as WordPress, Forum Software on … [Read more...]
How to Install Flextype on Apache : Modern, Flat-File, PHP Powered CMS
Flextype CMS is a Flat-File CMS i.e. needs no database. It is written in PHP. Earlier we listed some flat-file CMS. In that list, on 20th you'll find Monstra CMS. That Monstra CMS now has been Flextype CMS. Octopress is not easy to easy to handle by many - it is actually static site generator. WordPress is perfect for running blogs like our this site. But involving MySQL is really serious matter … [Read more...]