Qualifier Applications open for January 2027 term, Last date to Apply: January 29, 2027

Qualifier Applications open for January 2027 term, Last date to Apply: January 29, 2027

Diploma Level

Sensors Laboratory

by Prof. Boby George , Prof. Chinthaka P. Gooneratne

Course ID: EE3901

Course Credits: 3

Course Type: Laboratory

Pre-requisites: EE2901 -  Analog Electronics Laboratory

Co-requisites: EE3103 -   Sensors and Applications

Course structure & Assessments

The course aims to provide hands-on experience with various sensor technologies, including temperature sensors, optical sensors, and accelerometers, while emphasizing signal processing and microcontroller interfacing. Students will design experiments, implement electronic systems, and develop algorithms for sensor-based applications, preparing them for practical challenges in sensor integration and analysis. For details of standard course structure and assessments, visit Academics page.

Week 1 Design and Analysis of an Instrumentation Amplifier (INA) Precision Signal Conditioning: Design and implement a 3-opamp Instrumentation Amplifier (INA) tuned for high Common-Mode Rejection Ratio (CMRR) to isolate and amplify weak differential signals.
Week 2 Temperature Sensor Unit Using NTC Thermistor Environmental Sensing: Design a temperature monitoring unit using an NTC thermistor, and utilizing hardware linearization to output proportional voltage.
Week 3 An Electronic Compass Using Hall Effect Sensors: Build an electronic compass using orthogonally mounted Hall Effect sensors to compute real- time directional heading angles.
Week 4 Human Activity Recognition Using Smartphone Accelerometer: Log 3-axis smartphone accelerometer data and process it using Python/MATLAB. Develop custom step-detection algorithms utilizing Simple Moving Average (SMA) filters and peak- detection logic to classify physical activities.
Week 5 Phase Measurement System: To design, implement and test a phase measurement scheme.
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About the Instructors

Prof. Boby George
Professor, Department of Electrical Engineering, IIT Madras

Dr. Boby George received the M. Tech. and Ph. D. degrees in Electrical Engineering from IIT Madras. He is a Professor in the Department of Electrical Engineering at IIT Madras. His research areas include Sensor Interface Electronics, Electric and Magnetic field Based Sensors and their Applications, Sensor Systems for Water Quality and Quantity Monitoring, and Biomedical Instrumentation. He also serves as Associate Editor for IEEE Sensors Journal, IEEE Transactions on Instrumentation and Measurement, and IEEE Transactions on Industrial Electronics.

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Other courses by the same instructor: EE1101 - Electronic Systems Thinking and Circuits , EE3103 - Sensors and Applications and EE3104 - Electromagnetic Fields and Transmission Lines

Prof. Chinthaka P. Gooneratne
Professor, Department Of Electrical Engineering, IIT Madras

Chinthaka P Gooneratne (Senior Member, IEEE) received the B.Eng. (Hons) and M.Eng.

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(First Class Hons) degrees in Information and Telecommunications Engineering from Massey

University, New Zealand, in 2004 and 2005 respectively. He received the Monbukagakusho

scholarship from the Government of Japan in 2006 and graduated with a Ph.D. in Electrical

Engineering from Kanazawa University in 2009, where he was the recipient of the Kanazawa

University President’s Award for his doctoral work on sensor development for hyperthermia

cancer treatment. He is currently a Visiting Professor in the Department of Electrical

Engineering, IIT Madras. As the Technical Leader for Sensors and IoT and the Technical

Manager of the multiple award-winning Drilling at the Edge (DATE) program at Saudi

Aramco, he was the recipient of the 2020 SPE Drilling Engineering Award for the Middle

East and North Africa in recognition of work to develop new sensors and IoT edge platforms

for digital transformation of the drilling industry.

He is a Fellow of the IET and the EI, and an Associate Editor of the IEEE Sensors Journal. He holds 62 granted U.S. patents and has published 44 peer-reviewed journal articles, 1 book, 9 book chapters, and 60 conference papers in the areas of Sensors, MEMS devices, IoT and Digital Transformation.

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Other courses by the same instructor: EE3103 - Sensors and Applications

View all Diploma Level courses