Our Arduino project on doorbell is a great, simple project but if you followed that guide, you have probably noticed the volume of the sound that we are generating using a buzzer or speaker connected to an Arduino is not enough loud to be useful as a doorbell. That's why we need to slightly modify such projects and amplify the sound. TDA7297 amplifier module can be powered by 6-18V and is … [Read more...]
How to Develop Web Applications With Create React App
Often we need to create single-page web applications for various purposes, such as for our IoT projects or to create some server monitoring web page or just an informational web page for a GitHub repo. Many of us tend to use PHP, Ruby, and Python even to create simple apps. When we need just to create an informational web page for a GitHub repo, then we edit some HTML templates. These methods … [Read more...]
Learning Ruby : For Beginners
Ruby is a beautiful language which can be written like poems and it is difficult to run an exploit. In other words, Ruby is object-oriented, reflective, general-purpose, dynamic programming language which is secure. Julia, Swift, Rust etc newer languages like Ruby. Due to the initial lack of English documentation, the language spread mainly in the Japanese-speaking world, where it has since become … [Read more...]
Arduino LED Blinks with Pushbutton Pause
We have published several simple articles on Arduino, LED and pushbuttons. They are a great learning tool for the children, as well as great "templates" for the adults to start a new project. Here is a list of some of the old articles: Arduino 2 Push Button One LED: Switch On/Off Make Beep Sound in Arduino Project Upon Push Button Press Arduino Blink LED Rate Depending On Push Button … [Read more...]
Samsung Galaxy A54 vs Galaxy S23/S22
Samsung Galaxy A54 is a midrange smartphone from Samsung and a successor of their popular models from the A5x series such as the A50, A50s, and A53. Samsung Galaxy offers another set named Galaxy A73, which is priced closer to Galaxy A54. Samsung Galaxy S22 and S23 are the base models of Samsung's popular flagship S series smartphones. The price tag of Galaxy S22 and S23 is almost double the … [Read more...]
What is RISC V Processor
RISC-V is an instruction set architecture (ISA) based on the design principle of the Reduced Instruction Set Computer (RISC). It is an open standard that is subject to the permissive BSD license. This means that RISC-V is not patented and can be used freely. Thus, anyone is allowed to design, manufacture, develop and sell RISC-V microprocessors (open source hardware). Numerous companies offer or … [Read more...]
When Will We Have CSS4?
CSS never had versions such as CSS v1.0, CSS v2.0, CSS v3.0 and so on. CSS is not a programing language. HTML and CSS are markup languages. In computer science, markup languages represent a class of languages specialized in enriching textual information. They use tags, syntactic units that delimit a sequence of characters or mark a precise position within a stream of characters (for example, a … [Read more...]
What Happened to Symbian OS and Nokia?
The Symbian mobile OS had its origins in Psion's 32-bit EPOC platform; this was used and further developed in a consortium founded in 1998 called Symbian by the mobile phone companies Ericsson, Motorola, Nokia and Psion. Later, other companies, such as Samsung, used the operating system for their mobile phones. Ten years later, Symbian Ltd. was completely taken over by Nokia and successively … [Read more...]
What is a Consent Management Platform (CMP)
A Consent Management Platform (CMP) is a web software or SaaS that website operators or providers of web apps use to obtain and store data protection consent from visitors via a banner or pop-up before user data is collected via website scripts. The Interactive Advertising Bureau's Transparency and Consent Framework (TCF) defines the term consent management platform as "the company or … [Read more...]
How to Prevent WordPress Site Broken After an Update
It is common for WordPress site owners to face various troubles after an update, particularly after a major update. Many of the site owners do not update their WordPress sites out of fear of breaking changes. Not updating WordPress can invite a worse time-consuming situation, apart from the chance of getting exposed to various security risks. We have an article on this topic published 11 years … [Read more...]
How To Customize Inline Pre and Code Tags in WordPress Posts
Some years back, we discussed how to convert the backticks to inline code blocks in WordPress posts. You can copy the final PHP code from that article or copy from this GitHub gist. You can paste that code in your theme's functions.php file directly or use our simple WordPress plugin to paste that snippet. If you are using some WordPress syntax highlighting plugin, such as Urvanov/Crayon Syntax … [Read more...]