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Pxvan09/README.md

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$ whoami

name       : Pavan G. Kulkarni
degree     : M.Sc. Electrical Engineering
             ↳ Nano & Opto Electronics Track
             ↳ Universität Stuttgart 🇩🇪
role       : HiWi Research Assistant
             ↳ MPA Stuttgart (Materialprüfungsanstalt)
domains    :
  - MEMS Design & FEM Simulation
  - Analog CMOS Circuit Design
  - Sensor Characterization & Metrology
  - Embedded Firmware (RTOS-based)
tools      : COMSOL · Cadence Virtuoso · Altium Designer
languages  : Python · C · MATLAB · Shell
seeking    : MEMS / Analog IC / Sensor internships
             Bosch | Infineon | ASML | Nordic Semi

"Physics first — if the model isn't right, no amount of code will save you."



$ ps aux | grep pavan

 PID  PROCESS                       STATUS    DESCRIPTION
 001  mems-micromirror-lidar-fem    ▶ ACTIVE  COMSOL FEM — AVC drive, pull-in, eigenmode, LiDAR beam-steering
 002  analog-cmos-labs              ▶ ACTIVE  Cadence Virtuoso — OTA, LDO, PLL, ADC sub-blocks (S3)
 003  nrf9160-cold-chain-monitor    ▶ ACTIVE  Zephyr RTOS · LTE-M/NB-IoT · AWS IoT Core · pharma cold chain
 004  mems-accel-characterization   ✔ DONE    ADXL345 — Allan dev, noise PSD, INL, TCO/TCS · ESP32 DAQ
 005  internship-hunt               ⟳ ACTIVE  Targeting MEMS/analog IC roles in EU semiconductor ecosystem

$ tree --depth 2 ./expertise

expertise/
├── 🧲  MEMS & Micro-Systems
│   ├── Electrostatic actuation — parallel-plate · angular vertical comb (AVC)
│   ├── SOI process technology — anisotropic (100)-Si stiffness tensor
│   ├── FEM: pull-in (1/3-gap ROM) · eigenmode · C(θ) · ring-down · tolerance DoE
│   └── COMSOL Multiphysics 6.x — Electromechanics interface · moving mesh
│
├── ⚡  Analog / Mixed-Signal CMOS
│   ├── Cadence Virtuoso — schematic entry + ADE-L/XL simulation
│   ├── OTA · LDO · PLL · ADC sub-block design
│   ├── Small-signal analysis · noise budget · stability (PM/GM) · PSRR
│   └── MOSFET / BJT physics — strong/weak inversion · Early effect · noise models
│
├── 📊  Sensor Metrology & Characterization
│   ├── Allan deviation · PSD · noise floor (thermal · quantization · flicker)
│   ├── GUM uncertainty (ISO/IEC Guide 98-3) · error propagation
│   ├── Gauge R&R · Cp/Cpk · Design-of-Experiments (full-factorial)
│   └── Temperature compensation · calibration pipelines · sensor integration
│
├── 🔧  Embedded Firmware
│   ├── Zephyr RTOS — nRF9160 · LTE-M / NB-IoT / GNSS / CoAP
│   ├── ESP32 — FreeRTOS / ESP-IDF · precision DAQ firmware
│   ├── I²C · SPI · UART · hardware-level protocol debugging
│   └── Altium Designer — PCB layout · design-for-test · signal integrity
│
└── 🐍  Scientific Computing & Reproducibility
    ├── Python — NumPy · SciPy · Pandas · Matplotlib · Plotly
    ├── Physics-validated Jupyter analysis pipelines
    ├── pytest · GitHub Actions CI · reproducible synthetic fixtures
    └── AWS IoT Core · MQTT · cloud data telemetry

$ lsmod | grep tech-stack

⚗️ EDA & Simulation

COMSOL Cadence Altium LTspice

💻 Languages & Core Tools

Skills

📡 Embedded & Hardware

Zephyr nRF9160 ESP32 AWS IoT

📊 Scientific Stack

NumPy Matplotlib Jupyter pytest


$ git log --all --oneline --stat


Activity Graph


$ git stash list # Selected Portfolio


Trophy


GitHub Contribution Snake

⚡ Let's build at the boundary of physics and silicon. ⚡


LinkedIn    GitHub

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  1. mems-micromirror-lidar-fem mems-micromirror-lidar-fem Public

    COMSOL Multiphysics and Python workflow for FEM post-processing and characterization of an electrostatic SOI MEMS torsional micromirror.

    Jupyter Notebook 1

  2. bosch-bme280-characterization bosch-bme280-characterization Public

    Reproducible Python workflow for BME280 sensor characterization, calibration, noise analysis, temperature compensation, uncertainty, and DoE.

    Jupyter Notebook 1

  3. nrf9160-pharma-cold-chain-monitor nrf9160-pharma-cold-chain-monitor Public

    Cellular IoT cold-chain monitor for pharmaceutical shipments — nRF9160, LTE-M/NB-IoT, Zephyr, AWS IoT Core

    C 1

  4. mems-accel-characterization mems-accel-characterization Public

    End-to-end MEMS accelerometer (ADXL345) characterization: ESP32 DAQ firmware, Python analysis pipeline covering Allan deviation, noise PSD, INL, TCO/TCS — physics-validated with synthetic ground tr…

    Python 1

  5. Media-Player-Controller Media-Player-Controller Public

    Python 1

  6. Digital-Twin Digital-Twin Public

    Python