Usability refers to the extent to which a system, product or service can be used by specific users in a specific context of use in order to achieve certain goals effectively, efficiently and satisfactorily. It is thus closely related to the more colloquially common term of user friendliness and the broader concept of user experience (UX). It is a notion close to that of affordance, or even … [Read more...]
Archives for July 2023
Analog Circuit Basics (for Arduino)
While working with Arduino, and Raspberry Pi we often face components which work in the analog principle. For example an LDR or a thermistor or laser TOF sensor operates as analogue electrical circuits. Analog electronics is the part of electronics that exploits signals that can operate or be measured by continuous values. Analog electronics are complementary to digital electronics, which … [Read more...]
Door-to-door Sales and Marketing
Door-to-door (D2D) selling is a term for contracts that are concluded in certain situations, mainly during a visit to a representative (see direct sales, itinerant trade, commercial agents, travellers and peddlers). It is called off-premises sales when it comes to doorstep selling, is a prospecting marketing technique consisting of the direct solicitation of a person (on the telephone or at his … [Read more...]
Dimming AC Powered LED with Arduino
This guide contains instructions which involve handling 110/220V AC main supply which may create electric shock and death. Children and novices are suggested not to try this guide without monitoring by an expert. The AC light dimmer for Arduino is a type of modules which allow to vary the power of an alternating current. It has the same use as a transistor in direct current. It can be used to vary … [Read more...]
What is Wireless Mesh Network
A wireless mesh network is a network consisting of organized radio nodes. The organization in such case follows mesh topology. It can also be a type of wireless ad hoc network. In a mesh network, each network node is connected to one or more others. The network is coherent, from each node there is a path to every other node. The information is passed from node to node until it reaches the … [Read more...]
What is Key Performance Indicator (KPI)
In business administration, the term key performance indicator (KPI) refers to key performance indicators that can be used to measure and/or determine the progress or degree of fulfillment with regard to important objectives or critical success factors within an organization. The term is also used in telecommunications/network technology for better preparation of basic performance management data. … [Read more...]
What is End User License Agreement (EULA)
The General Terms of Use (TOU) and/or End User License Agreement (EULA)) are a contractual document governing the modalities of interaction between the provider of a service and its users. The general conditions of use are not a mandatory document. This is an optional document that can be submitted to the user of a service to frame its use. EULA is a contractual document. We are talking about a … [Read more...]
Elon Musk Rebranding Twitter to X
All of us know that Twitter was acquired by X Corp. Now they have changed the Twitter bird icon to an X icon. Mainstream news agencies have discussed the possible future changes of Twitter with Elon Musk and have published news which clarifies that he has decided to rebrand Twitter to X and this is more than just a name change. Presently, both x.com and twitter.com open the same website. x.com … [Read more...]
Arduino Releases Nano ESP32
So far we used to use Espressif’s ESP32 microcontroller as a generic DOIT ESP32 DEVKIT or LOLIN D32 Pro or HUZZAH32 or similar board with Arduino IDE (to use Arduino compatible sketches). Now, Arduino has officially released a version of Arduino Nano which uses Espressif’s ESP32 microcontroller. This is powered by the ESP32-S3 (as Ublox NORA-W106-10B), the Nano ESP32 featuring: 8 MB internal … [Read more...]
What is Service Quality
In business administration, service quality (also service quality) is the degree of quality of a service. The counterpart is product quality. In business administration, services can be distinguished from products in particular by intangibility and customer participation. Intangibility means that a service, unlike a product, is not physically present, while customer involvement means that the … [Read more...]
What is Sass (stylesheet ext)
Sass stands for Syntactically Awesome Style Sheets. Sass is a stylesheet language that offers variables, loops, and many other features that Cascading Style Sheets (CSS). It simplifies the creation of CSS and also help to maintain large stylesheets. It is influenced by the YAML markup language. Sass is available in two syntaxes. The original syntax, called indented syntax which uses … [Read more...]