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noeljoyce6/README.md

πŸ‘‹ Hi, I'm Noel Joyce Varghese

Embedded Hardware Design Engineer specializing in PCB design, mixed-signal electronics, power electronics, and robotics hardware for aerospace, defence, and autonomous platforms.

Currently working as a PCB Design Intern at PSYC Aerospace & Defence Industries (Bengaluru), building production-grade embedded hardware systems.


🎯 About Me

  • πŸ”§ Current Role: PCB Design Intern at PSYC Aerospace & Defence Industries
  • πŸŽ“ Education: B.Tech in Electronics & Communication Engineering (Amal Jyothi College of Engineering, graduating Apr 2026)
  • 🧠 Expertise: Schematic design, multilayer PCB layout, board bring-up, hardware validation, mixed-signal electronics, power electronics
  • πŸ“‘ Focus Areas: Embedded control systems, motor control electronics, aerospace/defence electronics, robotics hardware integration
  • πŸ› οΈ Approach: Production-ready hardware development with emphasis on signal/power integrity, DFM considerations, and system integration
  • πŸ“š Continuous Learning: Advanced PCB design workflows, high-frequency electronics, RF design fundamentals, and embedded system architecture

πŸ› οΈ Core Technical Skills

Hardware & PCB Design

  • Schematic Capture & Layout: Multilayer PCB design, controlled impedance routing, high-current routing, grounding & power distribution
  • Mixed-Signal Design: Analog-digital integration, signal integrity, power integrity, EMC/EMI awareness
  • Standards & Methodologies: IPC-2221, IPC-7351, DFM/DFA, design documentation, Gerber release
  • Design Tools: Altium Designer, KiCad, OrCAD, Cadence Virtuoso, LTspice, Proteus

Embedded Systems & Integration

  • Microcontroller Platforms: STM32 (STM32G431, STM32F4), ESP32, Raspberry Pi, Arduino
  • Communication Interfaces: SPI, I2C, UART, CAN, USB
  • Sensor Integration: ADC/DAC, analog frontend design, signal conditioning
  • Power Electronics: DC-DC converters, LDOs, motor drivers, protection circuits, BLDC motor control

Embedded Control & Motor Electronics

  • Motor Control: Field-Oriented Control (FOC), BLDC drivers, current sensing, feedback control
  • Real-Time Systems: Embedded control loops, actuator interfacing, telemetry integration

Programming & Development

  • Languages: C, C++, Python
  • Development Tools: Git, VS Code, Arduino IDE, MATLAB
  • Validation: Oscilloscope, logic analyzer, board bring-up, debugging, soldering/rework

πŸ’Ό Professional Experience

PCB Design Intern β€” PSYC Aerospace & Defence Industries

Nov 2025 – Present | Bengaluru, India

  • Engineered production-grade hardware for 8+ embedded hardware projects spanning aerospace and robotics applications
  • Schematic capture & PCB layout for complex mixed-signal systems with real-time control requirements
  • Integrated multi-protocol communication interfaces (SPI/I2C/UART/CAN) into embedded platforms
  • Executed board bring-up, validation, debugging, soldering/rework, and fabrication release workflows
  • Generated BOMs and design documentation for manufacturing and assembly

Analog Design Intern β€” IIIT Kottayam

Jun 2025 | Kerala, India

  • Simulated 5 GHz current-starved CMOS VCO using LTspice and Cadence Virtuoso
  • Analyzed transistor-level RF design fundamentals for oscillator and high-frequency applications
  • Strengthened understanding of analog circuit behavior and frequency-domain analysis

πŸš€ Highlighted Projects

βš™οΈ Unified Field-Oriented Control (FOC) Motor Controller Board β€” Production-Grade

  • Architecture: 4-layer, 50mm Γ— 50mm compact PCB using STM32G431 + DRV8353R driver IC
  • Features: Real-time FOC control, three-phase current sensing, protection circuitry, regenerative braking, CAN-based closed-loop interface
  • Application: BLDC motor control for robotics and propulsion systems
  • Status: Designed and validated

🚁 Minima Flight Controller (CM5-based) β€” Ongoing

  • Architecture: 6-layer high-density PCB around Raspberry Pi Compute Module 5
  • Scope: Compact flight controller for UAV applications with challenging form-factor constraints
  • Focus: High-density routing, power distribution optimization, sensor integration, peripheral interfacing
  • Status: Architecture phase, PCB layout in progress

🎯 Nemo Winch V3.0 β€” Drone Payload Delivery Control Board

  • Function: Mission-critical control PCB for UAV-based winch deployment systems
  • Integration: Motor drive electronics, encoder feedback sensing, servo actuation control, Pixhawk-compatible telemetry interfaces
  • Design: Custom embedded PCB with mixed-signal control architecture
  • Application: Autonomous payload delivery and aerial manipulation

πŸ›‘οΈ Automated Security & Deterrent System β€” Detection/Actuation Board

  • Sensors: ESP32-CAM, mmWave radar, PIR motion detection
  • Actuation: Servo control, dual-rail power gating
  • Architecture: Integrated surveillance and automated response platform
  • Focus: Low-latency sensor-to-actuation pipeline, power efficiency

πŸ“Š Wireless 4-Channel EEG Acquisition System Board

  • Mixed-Signal Design: AD623 analog front-end, precision signal conditioning
  • Wireless Streaming: BLE (Bluetooth Low Energy) connectivity for real-time data acquisition
  • Application: Wearable neuroscience research platform
  • Emphasis: Low-noise design, signal integrity, RF coexistence

πŸ‘· Smart Helmet for Accident & Health Monitoring

  • Sensors: ESP32, MAX30105 (PPG heart rate), MPU6050 (IMU), GPS, GSM, IR sensors
  • Application: Wearable IoT platform for real-time health and accident detection
  • Analysis: EEG-based health simulation and signal processing in MATLAB
  • Integration: Multi-sensor fusion with cellular connectivity

πŸ€– Vanguard MK1 β€” Search & Rescue Crawling Robot β€” Academic Project

  • Control Architecture: Raspberry Pi 5 + PCA9685 servo controller for 12-DOF locomotion
  • Actuation: MG90 servo integration, multi-servo coordination
  • Sensing: Time-of-Flight LiDAR for autonomous navigation
  • Current Work: Developing control PCB for locomotion command, sensor interfacing, and distributed power management
  • Application: Autonomous search & rescue robotics platform

πŸ“Œ Leadership & Technical Contributions

Educational & Community Leadership

  • PCB Workshop Facilitator: Led hands-on PCB design workshop for ECE students covering schematic design, KiCad layout, PCB fabrication, and soldered assembly of mini audio amplifier board in collaboration with ECE department
  • NASA Space Apps Challenge: Core team member supporting technical planning and execution across 2 annual editions
  • Innovation & Startups: Active volunteer under IEDC/Kerala Startup Mission, driving hardware-focused technical initiatives and innovation workshops

🎯 Current & Future Interests

  • Embedded Product Development: From prototype to production-grade hardware
  • Advanced PCB Design: High-speed digital, RF design, HDI (High-Density Interconnect)
  • Motor Control & Power Electronics: Brushless motor control, power conversion, thermal management
  • Robotics Electronics: Autonomous systems, real-time control, sensor fusion
  • Aerospace & Defence Hardware: Avionics, mission-critical embedded systems, radiation-hardened designs
  • System Integration: Multi-layer embedded architectures, power distribution networks, EMC considerations

πŸ“« Let's Connect

πŸ“– Resources & Standards

Working with:

  • IPC Standards: IPC-2221 (generic PCB design), IPC-7351 (land pattern design)
  • Design Methodologies: DFM (Design for Manufacturing), DFA (Design for Assembly), EMC/EMI considerations
  • Documentation: Schematics, BOMs, Gerber files, assembly drawings, design notes

Thanks for visiting! Explore my repositories to see detailed hardware projects, PCB designs, embedded firmware, and technical documentation. Feel free to reach out for collaboration on embedded hardware, robotics electronics, or aerospace systems.

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