Big Dolphin Co., Ltd www.bigdolphin.com.vn Analog and digital circuit design. PCB design. Software and hardware development with MCU and FPGA: AVR MCU's, Microchip PIC MCU's, Altera KIT's, C/C++, Visual Basic, VHDL/Verilog HDL.

Embedded systems engineer with 15 years of experience in hardware and software development with a passion for innovation and problem solving. Proficient in schematic capture and PCB layout, from single to multi-layered boards, rigid and flexible PCBs, ensuring compliance, manufacturability, and cost efficiency with experience from industrial and consumer products. My projects involve both analog and digital circuits and often include firmware development for ESP32, STM32, PIC etc. I am also skilled in algorithm development, including model predictive control, computer vision using machine learning and OpenCV. I enjoy competing in challenges like the Drone Racing League and Kaggle competitions. I have hands-on experience in hardware prototyping as well as 3D CAD and sheet metal design of enclosures. I am committed to delivering high-quality solutions, always using a comprehensive review checklist to minimize risks before production. Keywords: Embedded systems, Firmware, RTOS, Circuit design, Signal processing, Power electronics, IoT, Prototyping, 3D printing, Mechatronics, Reverse engineering, Python, C/C++, VHDL, Machine learning, Image processing and analysis, ROS, KiCAD, OrCAD, openEMS, QSpice, LTSpice, OnShape, SolidWorks, OpenCV

A versatile Embedded Systems & IoT Expert I bring a unique blend of expertise in Embedded systems, PCB High Speed designs and IoT app development. - Embedded Systems Expert (C/C++) - STM32, Arduino, ESP32 boards and Raspberry PIs - PCB Mixed Signal and High Speed Design - FPGAs, Verilog/VHDL - Assembly Language (x86, MIPS, Arm/Thumb) - ROS Robotics, Drones, IMUs applications - Native and Cross platform BLE/IoT Mobile App development With hands-on experience in creating advanced projects like drones, robotic arms, IMU gloves and developing path planning and navigation systems utilizing depth cameras for autonomous robots, I excel at integrating cutting-edge technology to solve complex problems. My skills extend to app development for Android, iOS, and web platforms, IoT apps and Sensor Integration ensuring comprehensive solutions for diverse needs. Let's collaborate to transform your ideas into a Reality!

I am an Electrical Engineer with 4 years of hands-on experience in various facets of engineering. My expertise spans across PCB Designing, Power Electronics, Embedded Systems, and the Industrial Automation field. Proficient in Python Programming, C Programming, MATLAB, Verilog, and VHDL, I bring a diverse skill set to the table. Furthermore, my proficiency extends beyond conventional engineering realms. I possess adeptness in crafting 3D CAD models for enclosures and Robotics, enhancing my capacity for comprehensive project execution. Beyond engineering, I offer specialized skills in Technical Content Writing. I assist clients in developing Application Notes, Articles, Buying Guides, How-to guides, and e-commerce-affiliated content, enabling them to elevate their presence and competitiveness in the tech industry.

If you’re developing AI, software, SaaS, hardware, or launching a new brand, I help protect your innovation with strategically structured patents and trademarks designed to support long-term business and product goals. I am a licensed Patent & Trademark Attorney and former USPTO Patent Examiner (Technology Center 2100) with a background in Electrical & Computer Engineering, focusing on AI, SaaS, enterprise software, cloud systems, machine learning, generative AI, APIs, cybersecurity, semiconductor-related technologies, medical devices, and hardware/software integrated systems, including support for high-volume patent portfolios for clients such as IBM. Services include: • provisional and non-provisional patent drafting • patent prosecution and Office Action responses (§101, §102, §103, §112) • patentability searches, prior art analysis, and competitive landscape review • preliminary FTO-style review and portfolio strategy • prior art searching using USPTO, Google Patents, EPO, WIPO, and commercial patent databases • claim drafting, specification strategy, and portfolio development • patent drawings coordination and figure development • assignment agreements and IP ownership documentation • USPTO filing preparation and application submission • trademark clearance searches, USPTO filings, and trademark prosecution Technical experience includes AI systems, large language models (LLMs), workflow orchestration platforms, cloud architecture, distributed systems, SaaS infrastructure, APIs, cybersecurity systems, data pipelines, IoT technologies, semiconductor-related systems, enterprise software platforms, and hardware/software integrated products. Particularly interesting are sophisticated software and AI systems where architecture, workflows, machine intelligence, and long-term IP strategy intersect. Why clients work with me: • Former USPTO Examiner with direct insight into examiner behavior, rejection patterns, patent examination procedure, and prosecution strategy. • Experience drafting and prosecuting patent applications for AI, software, and complex technical systems, with emphasis on strong specification support, scalable claim strategy, and long-term portfolio flexibility. • Experience performing patentability searches, prior art analysis, freedom-to-operate review, and competitive patent research involving software, AI, medical device, and emerging technology sectors. • Engineering foundation supported by a B.S. in Electrical & Computer Engineering and training through GE Healthcare’s Edison Engineering Development Program (EEDP). • Experience supporting startups, founders, and growing companies with practical IP and brand protection strategies aligned with business objectives. If you are developing AI, SaaS, software, semiconductor, hardware, or medical device technologies, feel free to send an invitation to discuss your project.

𝗘𝘅𝗽𝗲𝗿𝘁 𝗣𝗖𝗕 𝗗𝗲𝘀𝗶𝗴𝗻𝗲𝗿 & 𝗘𝗺𝗯𝗲𝗱𝗱𝗲𝗱 𝗙𝗶𝗿𝗺𝘄𝗮𝗿𝗲 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 I am a dedicated hardware engineer and firmware developer specializing in high-speed, mixed-signal, and precision electronics. Whether you need a complex 12-layer HDI board or rock-solid C firmware for a timing-critical application, I provide end-to-end hardware solutions—from initial concept to a fully validated prototype. 𝗪𝗵𝘆 𝘄𝗼𝗿𝗸 𝘄𝗶𝘁𝗵 𝗺𝗲? • 𝗙𝘂𝗹𝗹𝘆 𝗘𝗾𝘂𝗶𝗽𝗽𝗲𝗱 & 𝗟𝗶𝗰𝗲𝗻𝘀𝗲𝗱: I hold an active Altium Designer license and maintain a fully equipped in-house electronics lab for physical hardware validation. • 𝗙𝗹𝗲𝘅𝗶𝗯𝗹𝗲 𝗧𝗼𝗼𝗹𝘀𝗲𝘁: I have been designing professionally with Altium since 2015 and KiCAD since 2020, allowing me to seamlessly integrate with your preferred workflow. • 𝗙𝘂𝗹𝗹-𝗖𝘆𝗰𝗹𝗲 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁: Because I write the low-level firmware and design the physical board, I bridge the gap between hardware and software to ensure your entire system works flawlessly. ➡️ 𝗖𝗼𝗿𝗲 𝗦𝗲𝗿𝘃𝗶𝗰𝗲𝘀 • Complete Hardware & Firmware Development • Electronics Fast-Prototyping & Manufacturing Support • Component Selection, Cost Reduction, & BOM Optimization • Schematic Capture & PCB Layout ➡️ 𝗛𝗶𝗴𝗵-𝗦𝗽𝗲𝗲𝗱 & 𝗛𝗗𝗜 𝗣𝗖𝗕 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲 • Design of up to 12-Layer HDI PCBs utilizing micro, blind, and buried vias • High-density routing for BGA packages (down to 0.35mm pitch) and 1000+ component boards • Controlled impedance and length matching for DDR, PCIe, USB, HDMI, LVDS, and Gigabit Ethernet • Strict Signal and Power Integrity (SI/PI) practices to mitigate EMI/EMC issues ➡️ 𝗠𝗶𝘅𝗲𝗱-𝗦𝗶𝗴𝗻𝗮𝗹 & 𝗣𝗿𝗲𝗰𝗶𝘀𝗶𝗼𝗻 𝗔𝗻𝗮𝗹𝗼𝗴 𝗗𝗲𝘀𝗶𝗴𝗻 • Data acquisition (DAQ) systems with ADC/DAC resolutions up to 24-bit and sampling rates up to 100 MSPS • Precision analog front-ends and fast ADC driver circuit design • Active and passive filter design for highly accurate test & measurement systems ➡️ 𝗘𝗺𝗯𝗲𝗱𝗱𝗲𝗱 𝗙𝗶𝗿𝗺𝘄𝗮𝗿𝗲 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 • Low-level C programming tailored for timing-critical and hardware-interacting applications • Microcontroller expertise covering STM32, ESP32, ARM Cortex MCUs, and 8/16/32-bit PICs • Integration of wireless modules (Bluetooth, Wi-Fi, LoRa, 4G) and peripherals (SPI, I2C, USART, USB, CAN) • Custom DAQ firmware engineered for specific, reliable sampling rates ➡️ 𝗜𝗻-𝗛𝗼𝘂𝘀𝗲 𝗧𝗲𝘀𝘁𝗶𝗻𝗴 & 𝗩𝗮𝗹𝗶𝗱𝗮𝘁𝗶𝗼𝗻 𝗟𝗮𝗯 I don't just design your hardware; I bring it to life and prove that it works. I conduct thorough hardware bring-up and functional testing in my own lab, utilizing professional-grade equipment: • Digital Oscilloscope & Arbitrary Function Generator • 6.5-Digit Precision Bench Multimeter & Handheld Multimeters • LCR Meter & Programmable Power Supplies • Professional Soldering Iron & Heat Gun for rapid prototyping and PCB rework

I have been designing electronics and embedded systems since 2012. I have a Bachelor’s and Master’s in Electrical Engineering from the University of Arkansas and hold a Professional Engineer (PE) license with the state of Arkansas. I have always sought out challenging designs and pushed and expanded my knowledge in the field. I strive to produce work that meets my client’s needs and is fully functional without errors. I understand the need for clear communication and effective multidisciplinary teamwork. I am confident that I can join your team and immediately start providing value! Below is a general overview of my skill areas: • Hardware Design and Schematic Capture • Multilayer Printed Circuit Board (PCB) Layout • Altium Designer Advanced Certified • Microcontroller and FPGA Firmware Development • Software Development • System and Signal Analysis • Prototyping, soldering, and debugging Below overviews some prior microcontroller work: • Communication protocols (I2C, SPI, UART, MIPI CSI-2, etc.) • High-speed DDR3 design • Sensor and peripheral communications (image sensor, EEPROM, SRAM, IMU, etc.) • Li-Ion battery charging and safety • Bluetooth HID, SPP, and Audio profile communications • USB communications • Wi-Fi and XBee communications • User interactions and feedback, such as LCDs, LEDs, buttons, etc. • IR (infrared) LED applications • Analog and digital circuits • Arduino applications Below overviews some programming languages I work with: • C/C++ for microcontroller firmware • VHDL for FPGA firmware development • Java in IntelliJ and NetBeans • C#.NET and C++ in Visual Studio • Java Android app development in Andoird Studio

I am a professional with over 5 years of industrial experience working in the Embedded Systems Domain. Having gone through the complete product lifecycle, I can take your idea from initial concept to production capable design. Following are my offered services, skills, and expertise:- Services: • Embedded and Real-Time Systems Design • Schematic design and printed circuit board (PCB) layout • Prototyping and integration development • Bare-metal and real-time firmware development • Embedded Linux development ------------------------------------------------------------------------------------------------------------- Skills: • Programming Languages: C, C++, Python, Assembly, VHDL, Verilog • Operating Systems: FreeRTOS, TI-RTOS, Micrium Kernel OS-III,CMX RTOS • Architecture: ARM cortex M4/M3/M0+ • Processors: STM32, TI TM4C, EFM32, Nordic nRF52, ESP32, Atmel SAMD21/L22, PIC 18 • Hardware Interfaces: UART, I2C, SPI, USB FS/HS, CAN, RS-485/232 • Other Devices (RTC(DS3231M, PCF2127), EEPROM( AT24C01D), SPI Flash (Atmel)). • Debugging tools: (Segger- Jlink, Atmel ICE, PICKIT, FTDI). • IDE’s (IAR,KEIL, CCS, STMCubeMX, Atmel Studio, MPlab). ------------------------------------------------------------------------------------------------------------ IOT: • Wi-Fi Devices (ESP32, ESP8266, TI CC32xx, ATWINC1500). • Cellular Devices (u-blox (LTE CAT M1/NB_IOT, CAT4, 3G, 2G devices), Quectel BG96). • BLE/Wireless (Nordic nRF528xx, HC06). • GPS/GNSS Devices (u-blox Zoe-M8/Neo-8Q). • Networking: HTTP(S), TCP, UDP, NTP, MQTT(S), LWM2M • Cloud services: (AWS IOT Core, AWS SNS)

I graduated from the electronic engineering department of Istanbul Technical University, the most respected university in Turkey, and then I gave my master's thesis at the same university. I worked as an engineer and manager in companies operating in the field of telecommunications and energy for many years. I am currently retired I am an expert on analog and digital electronic circuits including ESP32 embedded controllers and FPGA and PCB development (with Eagle and KiCad) more specifically I have various design works at Aurduino and ESP32 boards. I am also make some design and developments for wireless IoT products. Beside of these, I can prepare a master's thesis in electronics engineering and telecommunications, especially I specialize in wireless communication. With my extensive analog and digital engineering including FPGA programming at VHDL knowledge and especially my knowledge and experience in the workings of all kinds of electronic components, I am an expert in cost reduction or finding alternative sources instead of obsolescent components. This experience can also support me in reverse engineering.. I have also made software with many programming languages, you can find some of these languages ​​in the list below; - C++ - Python - HTML -Javascript -CSS -VHDL (for FPGA programming) Having worked in supply management for many years, I have expertise in the preparation of purchasing and supply contracts, letters of intent, and privacy policy information texts. I have extensive experience in their preparation.

Being a native Italian freelancer with a remarkable degree of education and work experience, I have excellent skills in spoken and written italian language and, more in general, in all the activities that require a high proficiency in italian language. I can provide satisfactory deliverables in Italian-based works such as proofreading, content writing, transcribing, speech-related activities, training and evaluation of AI models. I have also a high knowledge of english language. In my professional career, I have often realized technical reports/papers in advanced Italian and english languages, mostly related to scientific/technology matters. So I can also provide high-quality translations from english to italian and vice versa. One of my primary work targets is to make my employers satisfied, for both project results and professional relationships. Thus, in work activities I always strive to guarantee technical competence as well as courtesy and avalaibility.