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Electronics For You
October  2020   Issue Vol. 52  No. 10 

RENEWABLE ENERGY
Six-Junction Solar Cells Can Reach Astounding Efficiency Of 47 Per Cent
A solar cell is a sandwich of two different layers of silicon that have been specially treated or doped to let electricity flow through them in a particular way. This article covers the working principle, architecture, and uses of advanced multi-junction solar cells in achieving efficiency like never before

eSTYLE
First Look: Some New Gadgets
• Smartphone
• Headphone
• Smart TVs
• Power Bank
• Fitness Tracker
• Mouse
SMART WORLD
Smart Cybersecurity For Emerging Technologies
Cybersecurity aims to avoid misuse and maintain confidentiality as well as the authenticity of electronic data by preventing unauthorised access via the exploitation of any loophole in cyber infrastructure
 
SMART WORLD
Organic Semiconductors And LEDs
Electronics waste can result in serious environmental impact and even contribute to global warming. This is because the materials used to make electronics products are often toxic. This has led to the growth of several organic materials that have semiconductor properties for use in electronics items
SMART WORLD
Intellectual Property Rights In India
Intellectual property (IP) rights are the exclusive rights given to creators for the use of their innovations or other creations for a defined period of time so that they can benefit from their work. These rights have become the basis for crucial investment decisions
 
FACTS & FIGURES
Systems/Sub-Systems For Industry To Design, Develop And Manufacture
In order to support Atmanirbar Bharat, the Defence Research and Development Organisation (DRDO) has listed the following 108 systems and sub-systems it wants locally designed, developed, and manufactured by the private sector
DO-IT-YOURSELF
Social Distancing Alarm Cap
Here is an Arduino based social distancing alarm cap meant for Covid-19 pandemic or similar disease outbreak. Maintaining the right gap for social or physical distancing is not always feasible. When we are outside, we forget to maintain the distance as soon as we get involved in our daily work
Download source code
 
DO-IT-YOURSELF
MATLAB GUI Based Ultrasonic Liquid Level Monitoring System
In this project, an ultrasonic detector is mounted on top of a tank for the detection of liquid level. Monitoring the liquid level in tanks and vessels is one of the most important parameters in process industries
Download source code
COMPUTING
Where We Stand In The Race To Quantum Computing Technology
A quantum computer is a machine that performs calculations based on the laws of quantum mechanics. The excitement surrounding quantum computing is mainly due to the fact that it reduces the computational complexities of certain problems
 
TECH FOCUS
Sustainable Electricity Generation Beyond Solar And Wind
Renewable energy sources like solar energy and hydro energy help in the generation of electricity in a sustainable manner. But to get the maximum benefit, we need to maximise the efficiency of conversion and find new methods while dealing with the challenges that might arise. This article discusses some of the lesser-known ways of harnessing electricity
MOBILITY
Role Of Automotive Information Technology In Autonomous Vehicles
The development of self-driving vehicles with increasing safety is fast progressing and may become a reality in the near future. Technological advancements are constantly revolutionising not just the automotive industry but human transportation in general
 
TEST & MEASUREMENT
How To Check Solar Systems For Efficiency And Long Life
The market for solar systems is growing exponentially due to the rising demand for solar energy worldwide. Unlike other forms of energy sources, solar equipment does not require expensive and consistent maintenance. But for optimised outcomes, it is necessary to ensure that the equipment is working properly at all times. This article discusses the related parameters and several ways of testing the solar equipment
ARTIFICIAL INTELLIGENCE
Can AI Rescue The World From Global Warming And
Climate Change?

Since last many decades, humans have been engaging in various activities that are directly or indirectly affecting the environment, releasing greenhouse gases, contributing to the rising temperatures, and more. However, the introduction of new technologies like artificial intelligence and machine learning is helping to fight against climate change and global warming
 
INTERVIEW
“Data Quality Is A Top Barrier To Successful Adoption Of AI” — Johanna Pingel, marketing manager, deep learning, MathWorks
Emerging technologies like artificial intelligence (AI) are growing worldwide at an unprecedented pace. Johanna Pingel, marketing manager, deep learning, MathWorks, discusses the good practices that students, researchers, and engineers can follow to accurately solve complex problems using these revolutionary technologies in an interaction with Ayushee Sharma
MARKET SURVEY
Renewable Energy Has No Option But To Grow Faster
Renewable sources of energy such as solar or wind are not only clean but are also the cheapest form of power generation in most of the markets. Increased use of these sources reduce the overall greenhouse gas emissions and have a better impact on the health of living beings. However, several challenges need to be addressed before shifting completely towards the use of the renewable sources of energy
 
FACTS & FIGURES
Guidelines For Installation Of Innovative Standalone Solar Pumps
The Ministry of New and Renewable Energy (MNRE), India, has been supporting the installation of standalone solar pumps in the country under the Off-grid and Decentralised Solar PV Programme. In 2019-20, implementation of Pradhan Mantri Kisan Urja Suraksha Evam Utthaan Mahabhiyaan (PM-KUSUM) started with a target to install 1.75 million standalone solar pumps by the year 2022
DO-IT-YOURSELF
Hand Gesture Based Wireless AC Light Dimmer
This project is based on MPU6050 accelerometer sensor and Arduino to wirelessly control the brightness of light. MPU6050 accelerometer senses the tilt positions of your hand in the X-axis and Y-axis and provides digital readings. Arduino Nano reads this data and transmits it using a 433MHz RF module. This data is received at the receiver end and used to control the brightness of light as per the movement of your hand
Download source code
 
DO-IT-YOURSELF
Automatic Water Dispenser
A branded automatic water dispenser is usually expensive. So, a relatively low-cost do-it-yourself solution is presented here. It is a portable general-purpose automatic water dispenser perfectly suitable for homes to wash hands or feed water to pets. The presented system also offers many possibilities for extensions
STARTUP ZONE
XR Services Transforming Businesses
Immersive experiences through extended reality (XR) are revolutionising the way people connect and interact with each other and things around them. XR is the umbrella term that binds all spatial computing technologies (augmented reality (AR), virtual reality (VR), mixed reality (MR), and more), which blend real and virtual environments. It holds the potential to address the problems due to distance by providing the ability to visualise things beyond imagination while simultaneously making deeper and more meaningful engagement possible. This is an effective solution for transforming industries in a situation like the Covid-19 pandemic
 
STARTUP ZONE
IoT-Enabled Device For Secure Deliveries
With the outbreak of coronavirus pandemic, our reliance on doorstep delivery has surged. In these tough times, technology is playing a great role to ensure that deliveries reach us while we work safely from our homes. However, it is also important to ensure the safety of the products that need to be delivered. There are a lot of businesses that need confidential or expensive products delivered on a regular basis, such as jewellery or electronic devices. And it’s important that these kinds of items reach safely in the hands of customers
REGULARS
Tech News: Technology Updates
• New technology to block facial authentication fraud
• Google turns Android phones into earthquake detectors
• YouTube to use ML to catch videos that violate age restrictions
• Engineers imitate human hands to make better sensors
• This robot helps Covid-19 patients to speak to their loved ones
 
SMART WORLD
The Importance Of Smart Speakers In Modern Era
Smart speakers are gaining huge popularity due to several new features that have made our lives easier and trouble-free. With just a command, smart speakers can now answer questions, set timers, play music, control other devices in the home, and also help children with their homework
CAREER
Can Non-Aerospace Engineers Work In The Aerospace Domain?
This article covers an executive’s perspective on career opportunities available for non-aerospace engineers in the aerospace domain. Most engineering graduates, with any kind of specialisation, can get an opportunity to work in aerospace
 
INTERVIEW
“We Do Not Mentor Startups, We Mentor Individuals Worthy Of Creating Startups” — Esha Tiwary, general manager, Entrepreneur First (EF), India
Esha Tiwary, general manager, Entrepreneur First (EF), India, in an exclusive conversation with EFY’s Mukul Yudhveer Singh, sheds light on how venture capital and private equity companies function. Unlike many mentorship cohort programmes, the company focuses on individuals who are capable enough for creating startups
HEALTHCARE
How Hybrid Approach Can Enhance Quality Of Ultrasonic Images
Ultrasonic imaging is simple and cost-effective, especially for use in remote places, but it is not as good as CT or MRI imaging. However, with each passing day, and with technology getting better and better, software-based ultrasonic imaging systems are becoming better too. It is just a matter of time before these start replacing CT and MRI, according to the authors
 
DO-IT-YOURSELF
Solar Day Lamp With Battery Backup
This solar day lamp with battery backup can be used in offices, homes, shops, warehouses, temples, etc. It offers a cost-effective way of harnessing solar energy. It is simple to manufacture and has a long life
DO-IT-YOURSELF
Multilingual Home Automation System Using Google Assistant And Raspberry Pi
One of the problems with a voice-controlled smart home automation system is the language barrier. Most of the existing home automation systems support only a few languages, including English
Download source code
 
STARTUP ZONE
AI For Solar Asset Management
Since the past few years, the renewable energy sector has witnessed profound growth. Among all the clean energy sources, solar energy has undoubtedly taken the world by storm. But just setting up solar equipment is not enough. Proper maintenance and management are necessary to make the most out of this long-term investment. Reducing operational costs and thereby boosting return on investment (ROI) is not an easy task for service providers or customers since challenges vary with factors like environment, regulations in an area, business model, and more
eSTYLE
GAMES: The Growing Popularity Of eSports Amidst Covid-19 Pandemic
The global outbreak of Covid-19 pandemic has changed the dynamics of games in the sports sector. Most live sports across the world have been cancelled, or postponed with no exact information on new dates. This has not only affected the sports industry but also sports lovers. Due to this current situation, sports lovers have now turned to esports, or electronic sports, for their entertainment
 
REGULARS
Industry News: Industry Updates
• Drones, robotics, and electric vehicles in government’s ‘Aatmanirbharta’ plan
• Indian agri-tech sector likely to grow to $24.1 billion in five years
• Semiconductor sales increase amidst coronavirus outbreak
• ISRO to spur applied research and innovation in Indian MSMEs and startups
• India to reimpose five per cent duty on open cells for TVs
STARTUP ZONE
Enhanced Techniques For Reviving Geothermal Sector
While we see clean energies like solar and wind flourishing nowadays, their counterpart—geothermal energy—has been a limited resource due to reasons such as exploration hazards and insufficient good productivity. The process for obtaining geothermal energy entails drilling deep wells into hot areas to directly produce steam, which can be then used to drive turbines for electricity generation. The hot areas are places with permeable rocks where underground water, when heated up naturally from heat generated under the earth’s crust, moves towards the surface in liquid or vapour form
 
eSTYLE
Buyers’ Guide: Roof-Top Solar Panels For Homes And Factories
In today’s world, renewable energy plays an important role in the development and advancement of several industries. The conventional sources of energy, such as coal and petroleum, are almost coming to an end, and the world would be without natural resources by the end of 2050, claim experts. Hence, we need to find an alternative to save these resources and the world from their harmful impact on our lives
REGULARS
Software And Apps
• Software For Renewable Energy
• Mobile Apps For Renewable Energy
 
Next Issue...


Now Energy Can Be Harvested From Shadows


Role of Electronics in Beating Coronavirus


Fruit Classification Using Neural Networks


Great Opportunity in AI and ML Hardware Sector

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November 2020
Issue Vol. 52 No. 11


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