Analog Devices’ controllers enable full functional safety if one of the batteries fail by forcing the...
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Here is a simple solid-state relay (SSR) driver circuit using a transistor. An SSR is similar in operation to a traditional electromagnetic relay with movable/physical contacts. It employs an optical semiconductor, called photocoupler, to isolate input and output signals; and switching elements such as thyristor, triac, diode and transistor. An important feature of the SSR […]
By using AI to develop a unique method for solving the “travelling salesman” problem, researchers hope that it will play a vital role in coming up with an effective solution for various combinatorial problems. Day-to-day tasks involve travel from one place to another, be it for work, reaching an appointment in time or to deliver […]
Retailers are starting to acknowledge the role of IT as an enabler. Basically, it can speed up processes and deliver cost-saving benefits to companies You are out for an evening stroll in the market. One of your shirt’s fancy button breaks and rolls out of sight. You enter a big apparel retail store and allow […]
Every organisation needs an attendance system to obtain data about its working hours and also keep track of its employee’s punch in and out times. With the state-of-the-art technology, this is becoming even more advanced, such as biometric attendance or RFID card-based attendance. So, today we will make a smart attendance system that can reliably […]
This project presents an Android app to generate an alert (alarm) on a smartphone when temperature of the process under consideration exceeds user-defined maximum temperature. Alarm and annunciator instrumentation systems are widely used in the control room of process plants. When process variables being monitored by various on-field sensors exceed maximum/critical value, an alarm is […]
Besides being ultrathin, the sensor is highly lightweight, flexible and comes with an unbreakable electronic circuitry. All this enables it to be worn around, like a tattoo, and get real-time information. Japan Display, a designer and developer of innovative solutions in collaboration with the Someya Group of the Department of Electrical and Electronic Engineering, School […]
In general, human resource (HR) services include a large amount of time spent on standard onboarding processes for new employees, triaging common questions and employee requests, and basic benefits management. Artificial intelligence (AI) presents an opportunity for HR to automate repetitive, low-value tasks and to increase focus on more strategic work Corporate India is going […]
The device works on the same principle that is implemented for room cooling, thus bringing down body temperatures and eliminating the need for electricity-based air-conditioning With rising temperatures making the lives of humans increasingly uncomfortable, especially those living and working for long hours under the sun, the chances of fatal medical conditions such as dehydration […]
A simple explanation for the working of an ideal diode circuit based on P-channel MOSFET and PNP transistor is presented here. The typical voltage required to turn on a diode is forward voltage. An ideal diode should have zero forward voltage but, unfortunately, there is no such thing as an ideal diode. A real diode […]
With cloud adaption growing at a massive speed today, staying updated with latest technologies is the need of the hour. Manoj Sharma, HR director, NetApp India, talks about why developers should upskill themselves, skillsets in demand today, open source opportunities, hiring, academic and internship programs at NetApp with Ankita KS Q. What skillsets are required […]
By employing a centrifugal force-based zero pressure difference (ZPD) method, researchers have designed a new suction unit that ensures that the vacuum pressure never gets reduced – even on rough surfaces. Since their inception in 1650, the present-day vacuum pumps have undergone a lot of changes. Notably, the vacuum suction units that are responsible for […]
Developed using the flight mechanism of birds, this lightweight aerial invention proves to be swift and agile while navigating through the sky air For thousands of years, birds had been a to fascination humankind; creating an inspiration to touch the skies. And in 1903 this wish was granted when the first aircraft was built. Since […]
Wheelchairs are useful for people for whom walking is difficult or impossible due to some illness, injury or disability. There are different types of wheelchairs. Manual wheelchairs are pushed using their handles. Motorised wheelchairs, are driven by joystick. Voice-controlled wheelchairs are the latest development. These can be driven just by giving voice commands. A more […]
Infrared (IR) remote-controlled RGB bulbs available in the market are extremely expensive. Here is a simple, easy-to-build and inexpensive circuit built using Arduino Uno R3. The project demonstrates how to turn on/off or vary the colours of an RGB LED bulb using an IR remote (used for televisions, air-conditioners, set-top boxes and so on). The […]
A flip flop is an electronic circuit with two stable states that can be used to store binary data. The stored data can be changed by applying varying inputs. Flip-flops and latches are fundamental building blocks of digital electronics systems used in computers, communications, and many other types of systems. Flip-flops and latches are used […]
Presented here is an Arduino-based dish antenna controller to align the position of a satellite dish antenna by setting azimuth and elevation angles. The dish antenna should always point to a specific satellite in space to receive maximum signal. Even a slight deviation from the point may reduce signal strength. Azimuth and elevation angles are […]

Artificial intelligence (AI) is coming to a point where action, not talk, is needed. While there are fears and inflated expectations of what AI can do, much of it is hype and a far cry from what it can actually achieve today. No doubt, artificial intelligence (AI) is the buzzword of the 21st century. Sometimes, […]
The latest release by Arduino, that has a dual-core processor, low supply voltage, powerful graphics and connectivity, assures wide-ranging applicability in the field of computation as well. Arduino products are known worldwide to be one of the best in producing open-source hardware and software tools. Thanks to these products’ easy affordability, many people with minimal […]
These thin films come with the benefits of better light reception and electrical conductivity, besides being environment-friendly. Traditionally, semiconductors made from silicon have been used for creating materials that conduct electricity. Now, scientists from the University of Buffalo, the U.S. have successfully created thin films made from barium zirconium sulfide (BaZrS3), which have good electronic […]
It was in the middle of 1821 when J.T. Seebeck discovered that if two dissimilar metals connected at two different points are held at different temperatures, a microvoltage develops. This phenomenon is called Seebeck effect. Some years later, Peltier discovered that if a voltage is applied to a thermocouple, one junction of the thermocouple heats […]
High-speed PCB circuits have wide-ranging applications from medical equipment to network communication. Amit Bhardwaj, group chairman and managing director, Polar Instruments Asia-Pacific, and Sanket Roy, country manager, Polar Instruments India, discuss the design challenges and specific considerations necessary for such circuits at high frequency, in an interaction with Ayushee Sharma Q. How is the process […]
This article describes how to decode a remote controller and use it for home automation, along with Arduino. An infrared (IR) remote controller used in TVs, music players and the like uses IR rays for sending information or data signals to the device. That is, the remote controller sends information in the form of IR […]
You must have seen digital weighing machine in numerous shops, but have you ever wondered how it works and how it can be made into a low cost, portable device? If not, then let’s make one. How our digital weighing machine works? This digital weighing machine has two 50 kg load cells that have the […]
We all must have used a photo frame in our houses, but have you ever wondered that you can make a smart digital photo frame cum calendar by yourself? Today, we will make this smart digital photo frame that will have lots of unique features such as changing pictures in real-time, showing your to-do list […]
Cooking releases several pollutants as well as particulate matter into the air. When such pollutants are exhausted from a kitchen, these can release smoke, grease and odours in outdoor air. Exposure to contaminated air may lead to such health problems as asthma, cough and respiratory tract infections. Most victims of fires die due to inhalation […]