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I am an Electrical/Electronic Engineer having master's degree in electrical/Electronic Engineering with 14 years of experience in the field of Power electronics, Embedded systems, analog and digital electronics, Wireless sensor network and Internet of Things. I have developed hardware and Embedded systems of IOT devices, Environment Monitoring devices, Power electronic converters (DC -DC, AC to DC and DC to AC), Inverters, VFD (variable frequency Drive) simulation and Testing. I have skills and experience in following areas ✔Circuit Designing (analog and Digital), from concept to prototype and prototype to production ✔Firmware development based on STM32, Arduino, Raspberry Pi, ESP32 and ESP8266 ✔Wireless communication based on Lora Modules, Zigbee modules, NRF Module, NRF51822 BLE module ✔ IoT / Embedded Electronics Engineering Projects ✔Mathematical Modeling, Components Selection, Schematic Designing and PCB designing based on Altium Designer. ✔sourcing of components, negotiation of components and manufacturing of customized product ✔Testing and Debugging of Electronic circuits. ✔Hardware Designing of data loggers with sensors intergeneration. ✔Assembly services of electronic circuits and products ✔Robotics and automation ✔Power electronic converter circuit (buck converter, boost converter, inverters) designing testing and debugging ✔ ESP32 based projects like water quality tester, AI based gesture recognition system ✔ESP32 CAM based face recognition system ✔ESP32 based AI camera ✔ Arduino based embedded system projects using sensors and actuators' ✔Deep knowledge and expertise DC and AC motor driver designing ✔ EMI and EMC testing ✔Experienced Schematic and PCB designing trainer ✔ Experience embedded systems and IOT trainer

Over 10 years work experiences on electronics/hardware design. Top 10% at the PCB Design and Electronic Design Test. Expert in high-speed PCB design and simulation.Expert in high-speed memory interface such as DDR3,DDR2.and so on. Good at embedded software program,which is also where my core competence lies in,I can always consider problems from the system design. My goal is offer professional work with fair price.

- 13 years of experience in the industrial design field. - 100+ Launched products in the market. - Master's degree in industrial design - Certified SOLIDWORKS Professional mechanical designer (CSWP). - The USA work experience in South Florida. - 140+ IQ in problem-solving. I also have experience and knowledge in other related fields like graphic design, web design, UX/UI design, photography, and animation to support my creativity. I consider myself a great idea generator when offering solutions. I’m good at thinking outside the box and not being affected by those existing products. 📩 Contact me today, and let’s discuss how to bring your product to market. ------------------------------------------------------- Keywords: Industrial Design, Product Design, Consumer Electronics, Electronic Device, Innovative Product, Physical Product Design, Amazon Product Development, House Appliance, Mechanical Engineer, Industrial Designer, Product Designer, Smart Device, Rendering, Ergonomics, Robotics, Eco-friendly Product, Sustainable Product, Consumer Goods, Product Assembly, Functional Product Development, Packaging Design, Cosmetic Packaging, Beauty Packaging, Perfume Packaging, Luxury Packaging, Sustainable Packaging, Packaging Engineering, Custom Packaging, Product Packaging, Packaging Manufacturing

# Embedded Hardware Development & Electronics Manufacturing Partner | SME & Hardware Companies Helping hardware companies turn engineering concepts into manufacturable electronic products. I work with **electronics companies, hardware startups, OEM brands, and engineering teams** needing practical support across embedded hardware development, PCB design, prototyping, and low-volume manufacturing. With 20+ years in electronics engineering, manufacturing, and international supply chain collaboration, I bridge **product engineering and manufacturing execution** — helping clients reduce development risk, accelerate iteration, and improve production readiness. ## Why Clients Work With Me ✔ 20+ years in electronics engineering, manufacturing & supply chain management ✔ 13 years with Fortune 500 companies including Flextronics and Huawei ✔ Founder of engineering & manufacturing organizations supporting hardware product development ✔ Direct access to cross-functional engineering and manufacturing resources in Shenzhen ✔ Experience supporting embedded electronics, IoT, industrial devices, telecom, smart products, and automation equipment --- ## Core Services ### Embedded Hardware Development • Hardware architecture & system design • Circuit design (analog / digital) • PCB design & layout • Embedded systems integration • MCU / wireless platform selection • Sensor & connectivity integration • DFM / DFT engineering review --- ### Electronics Product Development • Prototype development • Technology selection & feasibility analysis • Product engineering support • Engineering validation assistance • Manufacturing readiness planning --- ### Electronics Manufacturing Support • PCB fabrication & PCB assembly • Prototype build & pilot production • Component sourcing & supply chain coordination • Box build / product assembly support • Low-volume electronics manufacturing • Contract manufacturing coordination --- ## Typical Clients I am typically a good fit for: ✔ SME electronics companies ✔ Industrial IoT developers ✔ Embedded device companies ✔ Hardware product teams ✔ OEM / ODM brands ✔ Engineering managers needing external hardware development support --- ## Technologies & Domains ### Embedded / Hardware Platforms ESP32, STM32, ARM, Raspberry Pi, Jetson, embedded Linux platforms ### Connectivity BLE, WiFi, Ethernet, MQTT, NFC, RFID, Zigbee, LTE, NB-IoT, UART, SPI, I2C ### Product Categories Industrial IoT Smart Devices Monitoring & Measurement Embedded Electronics Consumer Electronics Automation Equipment Telecom & Connectivity Systems --- ## Working Style I deliver the best results when projects have: ✔ Clear technical objectives ✔ Defined scope or engineering requirements ✔ Collaborative communication ✔ Practical development and commercialization goals --- ## Selected Feedback "Frankie is an excellent engineer and supervisor… expecting my next opportunity to work with Frankie." — Huawei Hardware R&D Manager "Xiaolin’s team is very professional and hardworking… always satisfied with the jobs they delivered." — CEO, electronics product company "Outstanding support in hardware engineering and execution." — Engineering Director, global networking company Tags: Electrical Engineering, Electronics Engineer, 3Dmodeling,ID,Firmware, PCB layout, Schematics, Altium Designer, IoT, Power Electronics, Bluetooth, BLE, RF, TI,FPGA, SoC, VHDL, Verilog, Xilinx, Altera, C, C++, MCU, RTOS, prototype, validation, Enclosures, BMS, SolidWorks, Android, iOS, Java, Apps, Database, AWS, Python, ESP32, Arduino, PIC, NXP, STM32, LCD, Raspberry Pi, Wi-Fi, Prototyping, WAN, Assembly, Motor Driver, JLC,Electronic, Consumer, Automotive, Industrial, Medical, Custom Product Design, Supply Chain Management, Sourcing Agency,Procurement, Logistics, International Trade, Quality Control, Product Development, Manufacturing, Prototype, Testing, Product Launch, Project Management, Client Satisfaction, English, Chinese, China, Communication, Coordination, Innovation, Creativity, Technical Skills, Analytical Skills, Problem-Solving, Leadership, Time Management, Cost Reduction.

Brief: - an experienced embedded system engineer for 5+ years in a famous semi conductor company. - a co-founder of linkgo.io - a hacker - a maker - a football player - a piano rookie The startup (an expert in the Internet of Things with full solution including cloud and devices): - http://linkgo.io - https://github.com/linkgo - https://bitbucket.org/linkgo Some interesting stories other than full time job: - Github user since 2010. https://github.com/librae8226 https://github.com/LeafGrass - Contributor of NuttX. http://nuttx.org/ - Wrote an RTOS kernel for fun. http://ousia.accrete.org/ - One of the very first backers of Spark. Started the first RTOS port for spark core. http://community.spark.io/users/librae8226 - Played with px4 auto pilot. http://pixhawk.org/start - Own some Raspberry Pi, Arduino and similar open source devices and sometimes tinker with them.

I am an Automation system design engineer, Hardware designer, Firmware developer and have the extensive experiences even over 15 years. I'm especially interested in home automation or making intelligent new products or acquire and application new technologies. I work with the target of design to low cost, low power, high performance, the miniaturization of device by a compact layout. I design carefully to achieve the best performance in all projects, I find joy and pride in the successful results of projects. The areas I've experienced a lot are as follows. ● STM32F103RCT6TR, STM32F407VGT6, STM32F429ZIT6, STM32L476RGT6, STM32H743ZIT6, etc. ● ESP32-WROOM-32D, ESP32-WROVER-E, ESP8266, etc. ● nRF51822, nRF52810, nRF52832, nRF52833, nRF52840, nRF52843, etc. ● RAK811, RAK831, RAK3172, RAK4200, etc. ● SIM7000G, SIM7070G, SIM7600E, SIM7600G, etc. ● Arduino Mega2560, Arduino Mega328P, etc. ● SRAM, DDR, DDR2, DDR3, LPDDR3, DDR4, DDR5, LPDDR4, etc. ● MEMS Sensors (3-axis, 6-axis, 9-axis), ECG, PPG, HRM, SPO2, CO, CO2, Humidity and Temperature, Touch, Pressure, PIR, etc. ● PCIe, SATA, Ethernet, HDMI, VGA, LVDS, USB, UART, USART, CAN, SPI, I2C, I2S, RS232C, RS485/RS422, etc. ● BLE, IoT, AWS, GPS, GSM, Bluetooth, Wi-Fi, Z-Wave, Zigbee, LoRa, NFC, RFID, LTE, etc.