ESP32 Arduino : Fetching Current Weather Data (No JSON Parsing)

ESP32 Arduino means, an ESP32 dev board (which costs $8) and Arduino IDE configured for ESP32 in the way we described in an earlier guides. Our examples with IBM Watson IoT not fully easy guides for the newbie. This guide on Internet of Things (IoT) is relatively easier than them. To follow this guide, you need to sign-up for free account on OpenWeatherMap … [Read more...]

Guide to Run Air Conditioner Economically and Safely

Improper setup of air conditioner either can lead to reduced life of the machine or reduced life of the owner. Although the former fate is more common, later fate not just rare across the globe. Manufacturers of air conditioner like heavy duty electrical system will assume that the owners are knowledgeable enough to arrange technicians for correct electrical setup and heat insulation. An air … [Read more...]

Fix : Hard Disk Full of MySQL Log Files, MySQL Failing to Start

Server hard disk full is quite common matter, especially on the cloud servers. Usual disk space allocated on common RAM size cloud server instance is 30-40GB. Bigger websites easily eat up 10GB space for the media files. System files including running applications take more than 10GB. And for WordPress, full hard disk will result showing up the infamous "Error Establishing a Database Connection" … [Read more...]

How Are Serverless Computing Platforms Different From PaaS?

How Are Serverless Computing Platforms Different From PaaS? Both backend architectures keep the backend management to zero is one big resemblance. With PaaS, we paying for the whole and but in Serverless Computing, we pay only function execution. Origin of Serverless is plain HTML webpages. PaaS and Serverless share lot of similarities in terms of operational abstraction and productivity. … [Read more...]

How to Choose to Between Docker and Kubernetes?

How to choose to between Docker and Kubernetes? Many of the interested prospective users of Docker, Kubernetes lack enough work experience. It is probably better to read our article How Kubernetes is Different From Docker and Docker Swarm to get an idea of what they actually offer. There is a major misconception about the similarities between docker and Kubernetes. But in reality, they are quite … [Read more...]

Technically Best Smartphones for Text and Video Chat

Text and video chat have become important ways of communicating via smartphone. Even just a few years ago, not even 50% of smartphone users used mobile applications for video calls on a regular basis. Unfortunately, till today commonly the smartphones are not judged for their ergonomics and features for text chat and video chat. The differences between various smartphones not only limited to the … [Read more...]

ESP32 Deep Sleep : Push Button Message to IBM Watson IoT

We already demonstrated how to send message to IBM Watson IoT platform using ESP32 Arduino with just a button press. We have several non-IoT guides on pushbutton with Arduino including simple basic Arduino Blink LED With Pushbutton. Learning various logics with pushbutton will hugely help the beginners as pushbutton from the binary way of thought is a basic sensor to convey 0 or 1. Working with … [Read more...]

What Are the Benefits of DevOps to Business & CIOs

It is important to understand that DevOps is not hype. In our earlier articles, we discussed about Basics of DevOps, Analysis of Docker in DevOps, Analysis of Jenkins for DevOps and finally the article before this one - DevOps and Containerization Tools. The linked articles are enough descriptive to provide an idea about DevOps to a beginner. There are different advantages which can be gained … [Read more...]