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I have almost four years of experience in the embedded systems domain, working with a wide range of microcontrollers, including STM32, ATmega2560, ATmega328P, ESP32, and microprocessors from leading vendors such as Texas Instruments (TI), DSP Group (DSPG), Raspberry Pi, and others. During the first two years, I worked extensively with microcontrollers in the robotics club, where I was responsible for designing the embedded firmware for various robots. The primary controllers we used in these projects were the ATmega2560 and STM32. Additionally, I worked on side projects involving the ESP32, where we successfully designed a fully functional robot controlled via a web interface over Wi-Fi. Since 2023, I have been employed at Matrix Comsec Pvt. Ltd., Vadodara, as an Embedded Software Developer. In this role, I design and implement robust embedded systems, specifically targeting ARM-based System on Chips (SoCs) from prominent vendors such as Texas Instruments (TI), DSP Group (DSPG), and others. My main focus is to develop complete embedded platforms tailored to meet specific product requirements, adhering to a comprehensive development lifecycle. This process begins with designing and implementing custom bootloaders to ensure efficient and secure system initialization. I then proceed with kernel optimization to improve performance, stability, and responsiveness. Additionally, I integrate essential libraries and frameworks into the root filesystem, tailored to the application's specific needs. Throughout this process, I collaborate closely with hardware and software teams to ensure seamless integration and optimal functionality for a wide range of embedded applications. As an engineer, I continuously strive to acquire and refine my skills. My expertise includes: - ESP32 series of SoCs (ESP32, ESP32-S2, ESP32-S3, ESP Cam module), ESP-IDF - ATmega series of SoCs (ATmega2560, ATmega328P) - Raspberry Pi - AM335x series of SoCs from TI - DSPG dvf991x series of SoCs If you hire me, you will gain access to a broad range of services and expertise all at once. I am highly confident in our potential for success together, as I am punctual, creative, and passionate about my work. I look forward to hearing from you. Thank you.

Embedded Systems Architect | ESP32, nRF52/nRF54, STM32, Real-Time Systems I design and debug real-time embedded systems where multiple microcontrollers, sensors, and communication layers must work reliably under real-world constraints. My core expertise includes embedded firmware, low-level communication, sensing systems, and distributed edge devices built around ESP32, nRF52/nRF54, STM32, Raspberry Pi, Embedded Linux, BLE, LoRa/LoRaWAN, MQTT, SPI, UART, I2C, RTOS, UWB, and radar-based sensing. I’m strongest when a project involves: - Multi-MCU coordination - Low-level communication debugging - Sensor integration such as radar, GPS, IMU, capacitive touch, or industrial interfaces - Edge gateways and cloud-connected embedded systems - Turning an unstable prototype into reliable product behavior What I do best - ESP32 / ESP-IDF firmware development - nRF52 / nRF54 firmware using Zephyr and nRF Connect SDK - STM32 embedded firmware and real-time system design - FreeRTOS, Zephyr, and CMSIS-RTOS v2 architectures - BLE, LoRa/LoRaWAN, MQTT, and multi-device coordination - Low-level debugging across SPI, UART, I2C, BLE, RTOS, and custom buses - Embedded Linux / Raspberry Pi edge gateway systems - Node-RED, Balena, Docker, and remote deployment workflows - Radar, UWB, and real-time sensing/control systems - Industrial IoT integration and system reliability hardening Highlights - Ported production firmware from ESP32 to nRF54L15/Zephyr, including BSP, communication layers, BLE transport, and OTA/DFU support - Worked on distributed multi-controller systems using ESP32, nRF, and STM32 - Integrated TI IWR6843 mmWave radar for presence sensing and spatial event handling - Brought up UWB ranging (DW3000) on STM32 in a multi-device system - Built ESP32 + Raspberry Pi edge systems using MQTT, Node-RED, Balena, and remote deployment workflows - Built LoRaWAN-based tracking and monitoring systems with cloud dashboards and alerting - Supported industrial IoT deployments involving automation, CI/CD, remote monitoring, and field reliability Relevant Experience - Commercial Embedded Sensing & Control Platform (NDA): ported production firmware from ESP32 to nRF54L15/Zephyr; integrated BLE with encrypted transport, external flash, and MCUboot OTA/DFU; improved custom wired communication reliability; contributed to radar-based sensing and multi-device coordination - Industrial IoT Gateway Systems: built ESP32 sensor node + Raspberry Pi gateway architectures with real-time edge processing, MQTT communication, and remote configuration - Tracking, Monitoring & Edge Integration: built telemetry and monitoring pipelines for distributed edge devices using LoRaWAN, Balena, Node-RED, Supabase, and cloud dashboards - Industrial Integration & Automation: worked with Phidget-based interfaces, Yaskawa robot-related connectivity, Node-RED automation flows, CI/CD, and Balena-based deployment - Automotive Embedded Foundation — Hella: 4+ years in automotive embedded systems; worked on body control and electronic power steering programs with AUTOSAR, MISRA-compliant embedded development, CAN/LIN, diagnostics, requirement derivation, software architecture, IBM Rhapsody, and TPT Tech Stack - MCUs / Platforms: ESP32, nRF52, nRF54, STM32, Raspberry Pi, Embedded Linux - RTOS / Frameworks: ESP-IDF, FreeRTOS, Zephyr, nRF Connect SDK, CMSIS-RTOS v2 - Protocols / Interfaces: SPI, UART, I2C, BLE, LoRa/LoRaWAN, MQTT, CAN, LIN - Specialized Areas: UWB / DW3000, TI IWR6843 mmWave radar, OTA / DFU, PLC-style communication, Protocol Buffers / nanopb - Languages: C, C++, Python If your project involves firmware, sensing, real-time communication, edge gateways, industrial IoT, or multi-device embedded systems, I can help design, debug, and harden it for real-world use.

Electrics & Automation Engineering Manager with 17+ years of experience in Industrial Automation and Electrical design with * Extensive hands-on experience Detailed Electrical & Automation Engineering, * PLC, DCS, SCADA, HMI, Intelligent Motor Control Center,Instrumentation * VFD Drives, Stepper Motor, Servo Drives, position Control, Motion Control * Rockwell / Allen Bradley PLC -Studio5000,RS Logix5000, RS Logix500, Factory Talk, PlantPax * Siemens PLC - Siemens-TIA Portal, PCS7, WinCC, * Schneider PLC-Ecostruxure Process Expert, Aveva Plant SCADA, Schneider-Unity Pro XL, Vijeo Citect, Ecostruxure Machine Expert, Vijeo Designer HMI * ABB PLC-Control Builder * Codesys Development System * Beckhoff PLC - TwinCAT * Automation Direct - Productivity PLC, Click PLC, Cmore HMI * Delta PLC - DiaStudio, ISP Soft, DiaView HMI * Aveva Edge, Indusoft Webstudio * Phoenix Contact - PC Worx and Visu+ HMI * Intelligent Motor Controllers IMC (Siemens Simocode, ABB UMC100) * Motion Control , Position Control - Stepper Motor Control, Servo Motor Control, PWM * Industrial Communication Protocols (Profibus-DP, Profibus-PA, Modbus-TCP, Modbus-RTU, Ethernet/IP, Controlnet, TCP/IP, MQTT) * Knowledge of C#, SQL, Python, HTML, Microsoft .NET, Visual Studio, Power BI

B.Tech. Electronics and Communication Graduate (2021) with an enduring fascination about chip design and how hardware architecture inside a mobile phone actually works. Hands-on experience in Verilog testbench, VHDL & Verilog RTL design-to-bitstream flow, timing analysis, power analysis, and implementation on Cmod Artix-7 35T (xc7a35tcpg236-1) FPGA board using Xilinx Vivado 2024.1. Currently, designing an FSM-based synthesizable UART controller in Verilog from scratch and implementing on Cmod A7-35T FPGA board using Xilinx Vivado 2024.1 and Teraterm. Freelance services available in VHDL/Verilog RTL design, hardware design, core electronics as well as other technical work. ⇒ Technical Skills • HDLs & Design: Verilog*, RTL Design*, VHDL* • FPGA Tools: Xilinx Vivado 2024.1*, ModelSim 10.1a • Timing & Power Closure: Static Timing Analysis (STA)*, Clock Domain Crossing (CDC)*, Power analysis & optimization* • Protocols: AXI4*, UART*, SPI*, I²C*, JTAG*, Bluetooth 2.0 (via HC-05) • Scripting & Programming: Tcl*, Shell*, Perl (basics)*, Bash, Arduino, MATLAB (basics) • Hardware Platforms: Cmod A7 (Xilinx Artix-7 35T) FPGA board*, Arduino UNO R3 • Additional Proficiency: CircuitLab, Drawio (*Actively using in ongoing projects) Open to contract-to-hire in VLSI and Core Electronics. Let's collaborate on your next project.

# I am an Embedded Engineer with more than 15 years of industry experience in Embedded Systems Design & Development. # Have experience in delivering solutions for the Internet of things (IoT), Home Automation & Control, Production Utilities, Microprocessor/Microcontroller and Wireless technologies. # Below are some of my expertise in Embedded Systems: - Microcontrollers 8/16/32 ( ARM | PIC | STM32 | Nordic nRF51 & nRF52 | NXP ) - Embedded Platforms ( ESP32 | ESP8266 | Raspberry Pi | Arduino | Beaglebone ) - RTOS ( FreeRTOS | Amazon FreeRTOS | Micrium OS | eCOS | Embedded Linux ) - Wireless Protocols ( BLE | Bluetooth | Zigbee | WiFi | Thread | LoRa | LoRaWAN ) - Wired Protocols ( I2C | SPI | RS232 | RS485 | Modbus | CAN ) - Compilers & IDE ( GCC | Keil uVision | IAR | Simplicity Studio | Eclipse | CodeWarrior ) - Cloud Platforms Integration ( AWS IoT | Ayla | Evrythng | Firebase )

One stop solution for Electronic Product Development. Component selection, Circuit Design, Schematic design, PCB layout, PCB Assembling, Prototyping, Firmware development, Testing, Cloud Integration, Mobile Application Development. Expertise in IoT product development and Firmware update Over The Air (OTA). Languages: C, C/C++, Python, HTML, Javascript Arduino Raspberry Pi ESP32, ESP8266 (ESP-NOW, ESP-MESH, ESP-MATTER, ESP-IDF, ESP-ADF) NRF51822, NRF52840 IOT Gateways ROS Remote Monitoring & Controlling WiFi, BLE, Ethernet, GSM/GPRS, 2G, LTE, LORA, LORAWAN, NB-IOT, DLMS, Profibus, IEC-104 HMI Display GUI Development Nextion, DWIN Displays Home Assistant, ESP-HOME UART, SPI, I2C, ADC, DAC, RS-232, RS-485 Micro SD, Thermal Printer, Motors, Relays, Valves MODBUS RTU & TCP/IP CANBUS Schematic and PCB Layout Design ARM Cortex M3-M4 STM32F1, STM32F4, TM4C123G(TIVA C) ATmega 8-16-32-128-256 Renesas RL78 Series MCUs PlatformIO, CubeMX, Keil, Arduino, CCS, Atmel Studio, CS+ Altium, Eagle CAD, KiCAD, EasyEDA