Tuesday, February 10, 2026

e-Newsletter-December 2025

 HOD Corner

It gives me immense pleasure to present the December 2025 edition of the Department of Electrical Engineering e-Newsletter. This month has been vibrant and enriching, marked by academic initiatives, alumni interactions, student achievements, and faculty accomplishments that reflect the department’s continuous pursuit of excellence.

The successful organization of technical programs, meaningful alumni engagements, celebrations promoting energy awareness, and commendable achievements by our students and faculty members highlight our collective commitment toward quality education, innovation, and professional growth.

I sincerely appreciate the dedicated efforts of our faculty, students, alumni, and the newsletter committee for their enthusiastic participation and support. I hope this newsletter serves as a platform to share knowledge, celebrate achievements, and inspire all stakeholders to strive for higher goals.

With best wishes for continued learning, innovation, and success.


Department Events

STTP on Electromagnetic Simulation of Electrical Machines Using ANSYS Maxwell & RMxprt 15th  to 20th  December 2025!

The Department has commenced a Short Term Training Program (STTP) in association with the IET Nashik Local Network, scheduled from 15th December 2025 to 20th December 2025.

Topic: Advanced Electromagnetic Simulation for Electrical Machines using ANSYS Maxwell & RMxprt. This hands-on program is designed to benefit students, faculty members, and researchers, offering hands-on exposure to advanced simulation tools used in modern electrical machine design and analysis. Around 40 participants have registered for this intensive and insightful training program. The STTP is being effectively coordinated by Dr. Anand Kumar and Dr. Abhishek, whose efforts have made this initiative possible.


Alumni Guidance Session by Mr. Himanshu Sapkale (IIT Roorkee)!

We were delighted to host our esteemed alumnus, Mr. Himanshu Sapkale, on 11th December 2025 at our department. Currently pursuing his M.Tech at IIT Roorkee, Mr. Sapkale interacted with our first-year students and shared valuable insights from his academic journey.

His session focused on preparation strategies for the GATE examination, guiding students on effective study planning, resource management, and the development of a strong conceptual foundation.

Such interactions truly inspire our young learners and strengthen the bond with our alumni community. We are grateful to Mr. Sapkale for taking the time to motivate and mentor our students. A special acknowledgement to Dr. Saravanan S for coordinating this impactful interaction.



Inspiring Careers Through Alumni Guidance and Interaction!

We are delighted to share that our alumnus, Mr. Avishkar Vitthal Arote, recently conducted a guidance-cum-interactive session with our final-year students on 3rd December 2025 in an online mode.

The session was thoughtfully arranged to guide students for the upcoming placement opportunities, offering them practical insights, strategies, and real-world perspectives from an experienced professional who once walked the same path.

A special acknowledgement to Dr. Saravanan S for coordinating this impactful interaction.

Such alumni engagements continue to strengthen our learning ecosystem and motivate our students to aim higher. 🚀

Alumni Interaction Session on Campus Placement Preparation!

We were delighted to host our esteemed alumnus, Mr. Tejas Kathe, on 12th December 2025 at our department. Currently working as a Graduate Engineer Design Trainee at Hyosung T&D India Private Limited, Mr. Kathe interacted with our first-year students and shared his valuable insights from his academic journey.

His session focused on preparation strategies for the campus placement, guiding students on effective study planning, resource management, and the development of a strong conceptual foundation.

Such interactions truly inspire our young learners and strengthen the bond with our alumni community. We are grateful to Mr. Kathe for taking the time to motivate and mentor our students. A special acknowledgement to Dr. Saravanan S for coordinating this impactful interaction.

Alumni Interaction Session on Higher Studies and Global Career Opportunities!

On 18th December, we had the pleasure of welcoming one of our brilliant alumni, Mr. Raghvendra Pal Singh, to the department.

He interacted with our First Year (FY) students, sharing his inspiring academic and professional journey. Having recently completed his master’s degree from the Technical University of Munich, he has now embarked on his professional career in Germany.

His interaction provided valuable insights into higher studies abroad, global opportunities, and the importance of focused preparation and perseverance. Such alumni engagements truly motivate our students to dream big and work towards global excellence.

We sincerely thank Mr. Raghvendra Pal Singh for taking the time to connect with our students and inspire the next generation. 

Student Corner

Proud Alumni Moment: Felicitation of Students for Career Achievement!

We are proud to share that on 12th December 2025, two of our outstanding students, Ms. Asmita Pathade and Mr. Krishna Malwatkar, were felicitated at their school for securing placements in reputed multinational companies. Their parents were also honored during this special occasion, making the celebration even more meaningful.

The felicitation was held at Sindhu Sagar Academy, Nashik, in the esteemed presence of Ms. Simaran Makhijani, Principal, Dr. Pramod Shahabadkar, Training & Placement Officer, Dr. Ravindra Munje, Professor and Head of Department, and Dr. Saravanan S, Training & Placement Coordinator

This recognition not only celebrates the achievements of Asmita and Krishna but also inspires many young learners to aim high and pursue excellence.

Heartiest congratulations to both students and their families! 


National Energy Conservation Day Celebration and Student Felicitation Program!

The Department of Electrical Engineering, in association with the Institution’s Innovation Council (IIC) of the institute and the EFFECT student body of the department, proudly celebrated National_Energy_Conservation Day (14th December) on 16th December 2025.

On this occasion, students who made remarkable contributions toward promoting energy conservation and electrical safety among school students, farmers, and residents of society were felicitated for their impactful outreach and dedication.

The felicitation ceremony was graced by the Chief Engineer, Shri Sundar Latpate, and held in the esteemed presence of Director Dr. Keshav Nandurkar and Head of the Department, Dr. Ravindra Munje.

During the program, Shri Sundar Latpate shared valuable insights into MSEDCL’s initiatives for energy conservation, inspiring students and faculty alike.

The program was successfully coordinated by Mr. Chetan Gadge, Mr. Hemant Patil, and Ms. Snehal Sagare, with active support from the dedicated student team members. Congratulations to all the students for being ambassadors of energy awareness and safety. Together, we move towards a sustainable and energy-efficient future.





Felicitation of Parents on Student’s Successful Campus Placement!

We are glad to share that the parents of our student, Mr Abhishek Pandav, were felicitated on the occasion of Abhishek’s successful placement in a multinational company through campus recruitment on 19th December 2025 at his hometown.

This special felicitation was carried out by Prof. Chetan Gadge and Prof. Hemant Patil on behalf of the department, acknowledging the constant support and encouragement provided by the family behind this achievement. Heartiest congratulations to the Pandav family and best wishes to Abhishek for a bright and successful professional journey ahead! 



Faculty Corner

Proud Milestone Achieved

We are happy to share that Prof. Ganesh Jadhav has successfully completed the SWAYAM–NPTEL Domain Certification in Power Systems and Power Electronics (Electrical Engineering)

This certification represents consistent learning across core and advanced electrical engineering subjects from premier IITs, strengthening my foundation in:

Power Systems Analysis & Protection

Electrical Machines

Power Electronics & Applications

Distribution Systems Planning & Operation

Digital Protection & Switchgear

Completing this domain certification required dedication across multiple rigorous courses, and it has significantly enhanced my technical depth and analytical skills in power and energy systems. Congratulations to Prof. Ganesh N. Jadhav

Congratulations on Election to the IET Nashik Local Network Leadership!

Heartiest congratulations to Prof. Nayana Jangle on being elected as the Chairman of IET Nashik Local Network, and to Prof. Sudhir Shinde on being elected as the Secretary.

Wishing both of them a successful and impactful tenure ahead. May their leadership further strengthen the activities, outreach, and professional growth opportunities for the IET Nashik community.

Best wishes for the journey ahead! 




Faculty Publications!
Congratulations to Shashank Tripathi on this wonderful achievement! 🎉 

R. Kumar, D. Singh, M. Aljaidi, M. K. Singla, and Shashank Tripathi, “Multi-attribute based optimal location and sizing of solar power plant in radial distribution system,” Bulletin of Electrical Engineering and Informatics, vol. 14, no. 6, pp. 5073–5082, Dec. 2025, ISSN: 2302-9285.


Distinguished Alumni at SWICON 2025: Leadership in Switchgear Innovation

We are delighted to share that our distinguished alumni Mr. Sandeep Kulkarni and Dr. Manoj Mandlik, recently attended SWICON 2025, a premier conference on Switchgear organized by IEEMA.

We feel especially proud to announce that the Technical Committee of the conference was chaired by our alumnus, Dr. Manoj Mandlik. In addition, he led an insightful panel discussion on SF6-free switchgear, a topic of growing global importance.

Key themes that emerged strongly at SWICON 2025 included:

Digitization – smart sensors, AI/ML, IoT

Sustainability – especially the shift toward SF6-free technologies

Such achievements by our alumni not only inspire our students but also reinforce the institute’s 




Student Article

Power Grid Failure Detection System

Anand Gajanan Bawaskar
SY-B, (Electrical)

In modern electrical power networks, voltage stability is a crucial factor in ensuring reliable and efficient power delivery. This project, titled “Power Grid Failure Detection,” presents a microcontroller-based system designed to detect and respond to voltage anomalies such as over-voltage and under-voltage conditions in real time. The system employs an Arduino microcontroller interfaced with voltage sensors to operate continuously. Monitor the AC mains supply. Measured voltage values are compared against predefined threshold limits to determine abnormal conditions. When a deviation is detected, the controller initiates immediate protective actions by actuating a relay to disconnect the affected load and simultaneously triggering an audio-visual alarm to notify the operator. This automated detection and protection mechanism not only safeguards electrical equipment from potential damage but also contributes to overall grid stability by preventing cascading failures. The proposed system demonstrates a cost-effective, scalable, and efficient approach for early fault detection in power distribution networks, thereby enhancing the reliability and operational safety of the electrical grid.


1 Introduction:

Electric power is one of the most essential needs in modern life, powering homes, industries, and infrastructure. Any failure or disturbance in the power grid can cause serious problems such as equipment damage, power outages, and economic losses. To maintain a continuous and reliable power supply, it is important to detect faults and abnormal voltage conditions at an early stage.

The Power Grid Failure Detection System is designed to identify over-voltage and under-voltage conditions in real time using an Arduino-based microcontroller. The system continuously monitors the AC voltage level through a voltage sensor and compares it with safe operating limits. If the voltage crosses these limits, the controller automatically disconnects the load and activates an alarm to alert the operator. This project provides a simple, cost-effective, and efficient solution for protecting electrical devices and improving grid reliability. By using easily available electronic components and automation through Arduino, the system ensures better safety, stability, and performance of power distribution networks.

 
2 Problem Identification:

Despite the vital role of electric power in the development of every country, maintaining a stable power supply remains a challenge. In modern power distribution networks, sudden voltage variations can cause instability and may even lead to total grid failure. When the supply voltage rises above or falls below the rated value, it can lead to overheating, malfunction, or complete failure of electrical devices.

Currently, there is often a lack of affordable, real-time monitoring systems in domestic and small industrial settings to catch these fluctuations before damage occurs. Hence, a system capable of sensing these fluctuations and automatically disconnecting the affected load is vital for safety and reliability. This project aims to solve this problem by providing a simple, cost-effective, and efficient solution for protecting electrical devices and improving grid reliability. 

3. Experimental Setup of the Power Grid Failure Detection System 

Fig. 1 Diagram of Power Grid Failure Detection.

         Fig 2. Experimental Setup of the Power Grid Failure Detection System:

Key Components:

The system consists of several important components that work together to ensure accurate voltage monitoring and protection, shows inf Fig 1 and 2.

(1) Arduino UNO: This acts as the main controller (brain) of the system. It reads voltage data from the sensor, processes it, and controls the relay and alarm accordingly.

(2) Voltage Sensor Module: This module detects the AC mains voltage and converts it into a corresponding low-voltage analog signal that can be safely read by the Arduino. It scales down the high AC voltage to a level suitable for the microcontroller's analog input pins.    

(3) Relay Module: The relay works as a switch to connect or disconnect the electrical load based on the voltage condition detected by the system. It is the primary protection mechanism that physically isolates the equipment from the grid during faults.

(4) LCD Display (16x2): An LCD screen is used to display real-time voltage readings and the system status (Normal, Over Voltage, or Under Voltage). This provides the user with immediate visual feedback on the grid's condition.

 

4. The need for Power Grid Failure Detection:

In an electrical power system, maintaining the voltage within a safe operating range is essential for the proper functioning of appliances and equipment. Voltage instability is a major cause of equipment failure in both residential and industrial sectors.

(1) Equipment Protection: Sudden voltage spikes can instantly destroy sensitive electronics, while undervoltage can cause motors and compressors to overheat. This system automates the protection process, eliminating human error.

(2) Grid Stability: Automated detection and protection mechanisms contribute to overall grid stability by preventing cascading failures.

Conclusion:

The project proves that automation can play a vital role in improving the safety and stability of electrical systems. It's simple, cost-effective, and robust hardware configuration makes it an ideal solution for both domestic and industrial applications. Overall, the project meets its primary objective of providing real-time protection and ensuring uninterrupted power quality through automatic detection and control.

Future Scope:

The present system offers a strong foundation for power monitoring, but it can be further improved and expanded to include advanced features for smarter control. Possible future enhancements include:

(1) Data Logging and Analysis: Voltage variations and fault history can be stored and analyzed for predictive maintenance and performance improvement.

(2) Three-Phase Extension: The current design monitors single-phase supply, but it can be upgraded to monitor and protect three-phase systems used in industries and large power networks.

(3) Wireless Alert System: SMS or email notifications can be added to instantly inform users about grid failures or abnormal voltage levels.

Monday, January 5, 2026

e-Newsletter-November 2025

HOD Corner

It is a matter of great pride to present the November 2025 Newsletter of the Department of Electrical Engineering. This issue highlights the department's academic activities, technical events, student achievements, and outreach programs conducted during the month, reflecting its commitment to quality education and holistic development.

I sincerely appreciate the efforts of our students and faculty members for their active participation and notable achievements in academics, placements, competitions, and social initiatives. I also commend the newsletter committee for their dedicated efforts. Let us continue to work together with enthusiasm, innovation, and excellence to reach greater milestones.

Department Events

Expert session on “Transformer Testing " by Mr. S.S.Pawar, MSETCL, Nashik, on 14th November 2025

An Expert lecture has been arranged by EFFECT On-Campus of electrical department on "Transformer Testing" for Second Year Electrical Division: A and B students and staff of the department on 14/11/2025. Resource Person: “Mr. S. S. Pawar”, MSETCL, Nashik. Total No. of Students present = 120. The expert lecture on “Transformer Testing” organized by EFFECT On-Campus for Second Year Electrical students provided valuable practical knowledge and industry-oriented insights. Students understood different transformer testing methods, including polarity test, open-circuit test, short-circuit test, and insulation resistance test, along with the purpose and significance of each. The lecture also helped participants learn proper testing procedures, safety measures, and standard practices followed in professional electrical laboratories. Additionally, the session enhanced their ability to evaluate transformer performance, estimate efficiency, and identify possible faults through test results. Overall, the lecture strengthened students’ understanding of real-time testing equipment and its applications in power systems.

Mini Project Competition for Second Year Students held on 10th and 11th November 2025!

The Department of Electrical Engineering successfully organized a Mini Project Competition for Second Year students under the subject Analog and Digital Circuits on 10th and 11th November 2025.

The event aimed to enhance students’ practical understanding, innovation, and hands-on learning through creative circuit-based projects.

The Prize Distribution Ceremony was held on 12th November 2025, graced by

Dr Prashant Kushare, Chairman, IET Nashik Local Network, as the Chief Guest, along with Dr. Ravindra Munje.

The event was well-coordinated by Prof. Nayana Jangle and Dr. Saravanan S, whose guidance and support made the competition a great success.

Such initiatives continue to inspire our budding engineers to bridge the gap between theory and practice, nurturing the spirit of innovation within the department.















Student Corner


Proud Moment for the Department!

We are delighted to share that our student, Dhande Mayur, has been placed in a Multi-National Company for the academic year 2025-26.

This achievement reflects his hard work, dedication, and perseverance throughout his journey. It also motivates his peers to aim higher and prepare themselves for exciting career opportunities ahead.

Wishing Mayur all the very best as he begins this new chapter of professional growth and success!


Proud Moment for the Department!

We are delighted to share that our student, Chetan Sunil Chavan, has been placed in a Multi-National Company for the academic year 2025-26.

This achievement reflects his hard work, dedication, and perseverance throughout his journey. It also motivates his peers to aim higher and prepare themselves for exciting career opportunities ahead.

Wishing Chetan all the very best as he begins this new chapter of professional growth and success! 


Proud Moment for the Department!

We are delighted to share that our student, Umesh Zade, has been placed in a Multi-National Company for the academic year 2025-26.

This achievement reflects his hard work, dedication, and perseverance throughout his journey. It also motivates his peers to aim higher and prepare themselves for exciting career opportunities ahead.

Wishing Umesh all the very best as he begins this new chapter of professional growth and success! 


Proud Moment for the Department!

We are delighted to share that our student, Asmita Pathade, has been placed in a Multi-National Company for the academic year 2025-26.

This achievement reflects his hard work, dedication, and perseverance throughout his journey. It also motivates his peers to aim higher and prepare themselves for exciting career opportunities ahead.

Wishing Asmita all the very best as he begins this new chapter of professional growth and success! 


Proud Moment for the Department!

We are delighted to share that our student, Mistry Harshal, has been placed in a Multi-National Company for the academic year 2025-26.

This achievement reflects his hard work, dedication, and perseverance throughout his journey. It also motivates his peers to aim higher and prepare themselves for exciting career opportunities ahead.

Wishing Harshal all the very best as he begins this new chapter of professional growth and success! 


Industry Exposure Visit to Nashik Transformer Industries – S.Y. B.Tech. Electrical Engineering

The Department of Electrical Engineering organized an industrial visit for S.Y. B.Tech. Students at Nashik Transformer Industries, MIDC, Satpur, Nashik, on 6th November 2025.

During the visit, Mr. Jaydev Vaidande provided valuable insights into various stages of transformer manufacturing — including stacking of laminations, coil winding, assembly, testing, insulating oil processing, adherence to IS standards, turns ratio, and voltage ratio calculations.

This hands-on exposure helped students connect theoretical learning with real-world industrial practices.

The visit was coordinated by Prof. Atul Shewale and Prof. Sudhir Shinde, whose efforts made this learning experience possible.



Empowering Communities through Energy and Education Awareness!

The Department of Electrical Engineering has proudly offered a course on “Energy and Education Awareness Program” for third-year students this semester — a unique blend of technical learning, community outreach, and sustainability action.

As part of this course, students were divided into teams and carried out a series of impactful field activities that connected classroom knowledge with real-world applications.

Pre-Activity Learning:

To prepare students for effective engagement, five expert sessions were organized on:

Basics of Energy Auditing and Conservation Techniques for Residential Homes

Understanding Renewable Energy Technologies for Rural Communities

How to Read and Explain an Electricity Bill

Climate Change and the Common Man

Ethics and Values in Public Engagement

Major Activities Conducted:

Activity 1: 15 schools visited — 950 students made aware of energy conservation and safety.

Every student took an oath to save electricity at home.

Activity 2: 11 residential buildings visited — 74 residents guided on rooftop solar installations.

Encouragingly, 5 building chairmen expressed interest in adopting solar systems.

Activity 3: 13 villages near Nashik visited — 50 farmers trained on using solar pumps for irrigation.

20 farmers agreed to implement solar solutions in their farms.

Activity 4: 12 housing societies visited — 180 residents educated on interpreting electricity bills to understand consumption and optimize usage.

Activity 5: 3 schools visited — 130 students benefited from computer literacy sessions conducted by our students.

Over 100 awareness videos were created by students and shared on social media to amplify the impact.

Overall Impact:

Students Involved: 153

Activities Conducted: 54

Total Beneficiaries: 1384+

Through these initiatives, our students contributed meaningfully toward achieving the United Nations Sustainable Development Goals (SDGs):

SDG 4 – Quality Education

SDG 7 – Affordable and Clean Energy

SDG 11 – Sustainable Cities and Communities

SDG 13 – Climate Action

This course not only strengthened students’ technical and communication skills but also nurtured a deep sense of social responsibility and environmental consciousness. 



Proud Moment: Students Selected for State-Level Aavishkar!

Proud to share that Sejal Sachin Kumbhare, Pratiksha M. Jadhav, Vikrant Harne, Shivam Gaikwad, and Omkar Bankar have been shortlisted for the State Level Round of Aavishkar

Your dedication, hard work, and innovative thinking have brought you to this remarkable milestone. Wishing you all the very best for the upcoming round—may you shine even brighter and inspire many others! 

Keep up the excellent work and continue pushing boundaries!


Proud Achievement: NPTEL Winter 2025 Topper!

Congratulations to Mr. Soham Parwate for securing the #Topper rank in the NPTEL Winter 2025 examination!

Your hard work, consistency, and passion for learning have truly paid off. This achievement reflects your strong dedication to academic excellence and continuous upskilling.

Wishing you even greater milestones ahead. Keep shining and inspiring!


Proud Achievement: 2nd Rank at University-Level Chess Tournament!

Our student Ms. Darshana Gawarle (T.Y. Electrical – Division A) has secured 2nd Rank in the Intercollegiate Chess Tournament at the University Level!

Your dedication, focus, and strategic thinking truly paid off, Darshana!

Heartiest congratulations on this wonderful achievement — you’ve made us all proud! 


Proud Moment for Team Nemesis Karting!

Team Nemesis Karting from K K Wagh Institute of Engineering Education and Research, Nashik, achieved an impressive 4th Rank in The IKR - Indian Karting Race (IKR) 2025, held at CoASTT High Performance Centre, Coimbatore, Tamil Nadu, from October 30th to November 3rd, 2025.

The team bagged multiple prestigious awards:

Best Innovation Winner

Best Design Winner

Best Cost Report Winner

Cross pad Runner-up

Future Engineering Award

This multidisciplinary team included talented students from various departments.

We are proud of our Electrical Engineering students, Manish Ahire, Mahesh Hire, Abhinav Amol Keshewar, Shantanu Nigal, Ayush Lohakare, and Navnath Bhende, for their valuable contribution to this remarkable achievement!

Heartiest congratulations to the entire team for their hard work, innovation, and excellence! 




Faculty Corner

Global Alumni Connect: K. K. Wagh Education Society Meet in London

We are pleased to share that K. K. Wagh Education Society successfully organized an Alumni Meet on 2nd November 2025 at St. Ermin’s Hotel, Westminster, London.

The event brought together our distinguished alumni for an evening filled with fond memories, meaningful networking, and inspiring interactions. It was truly heartening to witness our alumni, who are excelling in their respective fields across the globe, reconnect and celebrate their shared journey.

📸 Presented here is a glimpse from the memorable evening — a group photograph capturing our alumni family in London. We extend our heartfelt best wishes to all our alumni for continued success and growth in their professional endeavors.


Invitation to Visit Our Stall at AIMA Index 2025 

K K Wagh Education Society is proud to participate in AIMA Index 2025 as a #Knowledge_Partner.

As part of this initiative, innovative students’ projects from K K Wagh Institute of Engineering Education & Research will be showcased at our dedicated stalls.

📍 Stall Numbers: F5 & C59

📅 AIMA Index 2025

We warmly invite students, faculty members, industry professionals and all the stakeholders to visit our stalls to explore cutting-edge ideas, interact with our talented students, and experience the spirit of innovation that drives us.

Your presence will motivate our young innovators and strengthen our commitment to quality engineering education.

We look forward to welcoming you!

IET K K Wagh Expo K K Wagh Institute of Engineering Education and Research








Student Article

IR PROXIMITY SENSOR

Agrawal Krishna Dharmendra

                    SY-B, (Electrical)

kdagrawal370624@kkwagh.edu.in

Nowadays, automation and safety systems play an important role in industries, homes, and public places. To detect the presence or movement of an object without physical contact, IR Proximity Sensors are widely used. These sensors work on the principle of infrared radiation and are commonly used in obstacle detection and object sensing applications.

An IR Proximity Sensor consists of an IR transmitter and an IR receiver. The transmitter emits infrared rays continuously. When an object comes near the sensor, these IR rays strike the object and are reflected to the receiver. The receiver detects the reflected rays and converts them into an electrical signal.

Based on the received signal strength, the system determines whether an object is present or not. The output of the IR proximity sensor is then given to a controller or indicator circuit. When an object is detected within a predefined range, the system activates an output device such as an LED, buzzer, or relay.

IR Proximity Sensors are widely used in automatic doors, obstacle detection robots, parking systems, hand sanitizer dispensers, and security systems. Due to their low cost, simple construction, and reliable performance, IR proximity sensors are ideal for short-range detection applications.

Thus, the IR Proximity Sensor provides an efficient and contactless method for object detection, making it suitable for automation and safety-based projects.

 

1.1 Introduction:


An IR Proximity Sensor is an electronic device used to detect the presence of an object without making physical contact. It works based on the principle of infrared (IR) radiation. These sensors are widely used in automation and safety systems to sense nearby objects.

The sensor consists of an IR transmitter and an IR receiver. The transmitter emits infrared rays continuously. When an object comes close to the sensor, the IR rays are reflected back and received by the receiver. Based on this reflected signal, the sensor determines whether an object is present or not.

IR proximity sensors are commonly used for obstacle detection, automatic doors, counting systems, line-following robots, and security applications. Due to their low cost, simple design, fast response, and contactless operation, they are highly suitable for short-range object detection.

Thus, the IR proximity sensor plays an important role in modern electronic and automation-based systems.

Problem Identification:

In many applications, such as industrial automation, security systems, and public facilities, there is a need to detect the presence of objects or obstacles without physical contact. Traditional detection methods like mechanical switches and manual monitoring are not reliable, as they involve wear and tear, slow response, and human error.

In environments where frequent object detection is required, using contact-based sensors can lead to damage, maintenance issues, and reduced system life. Additionally, manual supervision is inefficient and cannot provide continuous monitoring.

Therefore, there is a requirement for a low-cost, fast, and contactless sensing solution that can reliably detect nearby objects and trigger an appropriate response. This problem can be effectively addressed by using an IR Proximity Sensor, which detects objects using infrared radiation without physical contact.


1.2 System Overview:

Figure 1.1 shows that the IR Proximity Sensor system is designed to detect the presence of a nearby object without physical contact and provide a visual and audible indication. The system is powered using a 9V battery and is built on a breadboard using simple and low-cost electronic components.

The system mainly consists of an IR transmitter LED, an IR receiver (photodiode or phototransistor), an LM358 operational amplifier, a preset (variable resistor), an LED indicator, and a buzzer. The IR transmitter continuously emits infrared rays. When an object comes close to the sensor, these rays are reflected back and received by the IR receiver.

Fig 1.1. Circuit Diagram of an IR Proximity Sensor

The received signal is given to the LM358 comparator circuit, where it is compared with a reference voltage set using the preset. If the reflected IR signal exceeds the set threshold, the comparator output becomes high. This output activates the LED and buzzer, indicating the detection of an object.

Thus, the system provides a simple and effective method for proximity detection and can be used in applications such as obstacle detection, security systems, and automation projects.


1.3 The need of air quality monitoring system:

In many practical applications, there is a requirement to detect the presence of objects or obstacles without making physical contact. Manual monitoring and mechanical switches are not as efficient as they are slow, prone to errors, and involve wear and tear due to continuous usage.

IR proximity sensors provide a reliable and contactless method for object detection. They help in improving safety by preventing collisions and accidents in automated systems. These sensors are fast in response and suitable for environments where frequent detection is required.

The use of IR proximity sensors also reduces human effort and increases system efficiency. Due to their low cost, simple design, and easy implementation, IR proximity sensors are widely used in automation, security systems, and industrial applications.

Thus, the IR proximity sensor is needed to achieve accurate, fast, and non-contact detection in modern electronic systems.

 
1.4 Conclusion:

The IR proximity sensor provides a simple and effective solution for detecting nearby objects without physical contact. It works on the principle of infrared radiation and offers fast and reliable object detection.

Due to its low cost, simple construction, and easy implementation, the IR proximity sensor is widely used in automation, safety, and security applications. It helps in reducing human effort, improving system efficiency, and increasing operational safety.

Thus, the IR proximity sensor is an important component in modern electronic systems and is well-suited for short-range object detection applications.

 
1.5 Future Scope:

The IR proximity sensor has a wide scope for future development and improvement in various fields of automation and smart systems. By integrating the sensor with microcontrollers and IoT platforms, real-time monitoring and remote control can be achieved.

In the future, IR proximity sensors can be used in advanced robotic applications for accurate obstacle detection and navigation. They can also be combined with wireless communication modules to enhance security and surveillance systems.

Further improvements in sensor sensitivity and range can make them suitable for more industrial applications. With increasing demand for automation and smart devices, IR proximity sensors will continue to play an important role in modern electronic systems.

e-Newsletter-December 2025

  HOD Corner It gives me immense pleasure to present the December 2025 edition of the Department of Electrical Engineering e-Newsletter. Thi...