SUBIJEN JEYANTH A.

Electronics and Communication Engineering graduate · PCB Design & Embedded Systems

Chennai, Tamil Nadu, India

@subi_jen

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About

Electronics and Communication Engineering graduate with hands-on experience in PCB design, BMS modification, battery-test setups, and hardware prototyping. Familiar with embedded development and electronics tools including KiCad, EasyEDA, ESP32, and Embedded C.

Experience

Electronics Engineering Intern

IVW Technology Solutions · Guduvanchery

Aug 2026 – Present

Designed a 12 V-input regulator schematic and PCB layout in KiCad with selectable 3.3 V / 5 V output. Modified an existing 12S BMS design in EasyEDA, changing MOSFETs and reducing the overall PCB size. Currently working on adapting an existing 16S, 60 A BMS design toward a 100 A version. Simulated and hardware-tested the AGE (battery aging-test) setup and verified that the hardware operated as intended. Assisted with the development of a MOSFET-based adjustable DC load (0—15 A) for battery-discharge testing. Built resistor-based cell-simulation setups for 12S and 16S BMS testing.

Education

2022

High School

May 2022

May 2022
2020

Secondary

Mar 2020

Mar 2020
B.E.

SRM Valliammai Engineering College

Electronics and Communication Engineering (ECE)

Electronics and Communication Engineering (ECE)

Skills

3 to 6 months

BMS

<3 months

I2C SPI Pwm ADC UART Gpio WiFi NumPy ESP32 Python Pandas Streamlit Embedded C PCB Layout scikit-learn MQTT protocol Circuit Design Schematic capture

Tools / apps / platforms

3 to 6 months

KiCad

<3 months

Wokwi VS Code Arduino IDE The MathWorks MATLAB

Languages

Fluent

English Speak · Read · Write

Projects

Student Placement Prediction System

Python, scikit-learn, Streamlit

Built Logistic Regression and Random Forest models, tuned Logistic Regression with GridSearchCV, and created a Streamlit prediction interface.
MIMO-OFDM Equalization Analysis

MATLAB

Implemented and compared DST- and DWT-based equalization approaches; analysed BER against SNR for MIMO-OFDM systems.
Automatic Headlight Intensity Controller

Embedded C, ADC, PWM

Built a prototype that adjusts headlight brightness based on ambient-light sensing using PWM control.
Student Placement Prediction System

Python, scikit-learn, Streamlit

Built Logistic Regression and Random Forest models, tuned Logistic Regression with GridSearchCV, and created a Streamlit prediction interface.
MIMO-OFDM Equalization Analysis

MATLAB

Implemented and compared DST- and DWT-based equalization approaches; analysed BER against SNR for MIMO-OFDM systems.
Automatic Headlight Intensity Controller

Embedded C, ADC, PWM

Built a prototype that adjusts headlight brightness based on ambient-light sensing using PWM control.
ESP32 IoT Environment Monitor

ESP32, DHT11, MQTT, Wi-Fi, SSD1306 OLED

Read temperature and humidity at 30-second intervals, displayed readings over I²C OLED, and transmitted data using MQTT over Wi-Fi. Implemented remote LED control through MQTT subscriptions; simulated the system in Wokwi and Cirkit Designer.

Courses & certifications

VLSI Design · NPTEL · 2025
VLSI Design · NPTEL · 2025
Python for Data Structures and Algorithms · NPTEL · 2024
Python for Data Structures and Algorithms · NPTEL · 2024
HTML, CSS, JavaScript · Infosys Springboard
HTML, CSS, JavaScript · Infosys Springboard

🏆 Achievements & awards

1st Prize

ECE Department Symposium, St. Joseph's College of Engineering
2nd Prize

Cyber Department Symposium, SRM Valliammai Engineering College

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