Project Archive

A comprehensive catalog of my engineering builds, hardware designs, embedded firmwares, and rapid prototyping projects spanning a decade.

ESU Test Automation
Medical Device ATE

ESU Test Automation Rig

Automated testing system for high-frequency electrosurgical generators. Controls values via serial, captures measurements via camera OCR, and logs values in Excel.

STM32 Python OCR RS232 .NET UI
DTS Controller
Industrial Systems

DTS Sensor Controller

Multi-channel distributed temperature reading controller for industrial furnaces. Links to Linux embedded processors over Modbus communication.

STM32 Modbus RTU RS485 Linux IPC
Kochi Metro Musical Stairs
Smart Infrastructure

Metro Musical Stairs

Kerala's first interactive musical stairs installation at Kochi Metro. Custom optical array detects movement and triggers synthesizer audio and LED arrays.

Raspberry Pi Beam Sensors LED Array Python Audio
GSM/GPRS Tracker
Industrial IoT

GSM/GPRS Asset Tracker

Low-power micro telematics unit matching AIS140 standards. Ultra-low sleep modes provide 30-day standby tracking on a single charge.

Quectel OpenCPU BOM Sourcing DFM PCB GPS/GPRS
Gate Automation System
Home Automation

Smart Swing Gate Operator

Automatic gate controller with obstacle safety monitoring, RF remote controls, WiFi-switch trigger, and vehicle approach detections.

RF 433MHz Overload Detect Photo Beam WiFi Switch
Builder Bot 3D Printer
Digital Fabrication

Builder Bot 3D Printer

Industrial-grade large-format 3D printer featuring auto-calibration, heated enclosure chambers, and dual-extrusion hardware configurations.

STM32 / ATmega Stepper Controls Heater Loops G-Code
Radiation Monitoring System
Nuclear Safety

Gamma Radiation Monitor

Safety-critical radiation instrumentation system designed for nuclear facilities, achieving 96% detection accuracy.

Embedded C Analog Front-End GM Tube BARC
Home Automation
Home Automation

Scalable IoT Smart Home

Smart home control platform utilizing ESP32 microcontrollers, custom relay matrix routing, and REST API scheduling.

ESP32 Firebase Django API MQTT
Sinewave Inverter
Power Electronics

Pure Sinewave Inverter

DSP-controlled pure sinewave inverter system featuring high-speed PWM switching and feedback loops.

DSP Controller Power MOSFETs PWM Closed Loop
Phase Selector Mount
Mechanical Design

Phase Selector 3D Mount

Heavy-duty 3D-molded mount for electrical automatic changeover phase selectors, optimized for structural load and clearance.

Autodesk Inventor SLS 3D Print FEA Analysis
Nautilus Gear Art
Creative Fab

Nautilus Gear Mechanical Art

Artistic mechanical study of logarithmic non-circular gears. Simulated in CAD and fabricated with laser-cut acrylic.

CAD Simulation Laser Cut CNC Milling
Music Visualizer
Creative Tech

Interactive Music Visualizer

Real-time audio frequency spectrum visualizer mapping decibel ranges to dynamic WS2812B LED matrices.

WS2812B LEDs FFT Algorithm Signal Processing
Arcade Game Console
Gaming Logic

Arcade Game Console

Custom handheld arcade console running micro-controller game loops, physical button matrices, and display controls.

Arduino PCB Routing Arcade Buttons TFT Display
Neopixel LED Clock
IoT Gadgets

Ambient NeoPixel LED Clock

Ambient light wall clock featuring NTP time-sync over Wi-Fi and offline real-time clock DS3231 backups.

ESP8266 DS3231 RTC NTP Sync WS2812B