Electrical/Electronics Engineer with 15+ years of experience in Embedded Systems, STM32 Firmware Development, PCB Design, Motor Control, Industrial Automation, HVAC Systems, and Electronic Product Development. I help clients turn ideas and complex technical requirements into practical, reliable electronic products. My goal is to make development simpler by handling the technical details from system architecture and schematic design through firmware, PCB development, prototyping, testing, debugging, and production support. Core Expertise: ● Embedded Firmware — STM32, STM32H7, STM32F1/F4, PIC, PIC32, ESP32 ● Embedded C/C++ Programming ● PCB Design — Altium Designer, Proteus ● Touchscreen HMI — LVGL, STM32, graphical interfaces ● Analog & Digital Circuit Design ● BLDC, Stepper & Servo Motor Control — Sensored/Sensorless FOC ● LTE / Cellular Communication — LTE Cat-M1 ● RFID / NFC Integration ● USB Device & Host Applications ● RS232, RS485, Modbus RTU/TCP, CAN, SPI, I2C ● Industrial Control — 0-10V, 4-20mA, relays, sensors & actuators ● PLC & HMI Systems — Siemens, Mitsubishi, Delta ● HVAC Control Systems ● Audio Systems — MP3/WAV playback ● Thermal Printer Interfaces ● Mobile App Integration ● Sensor Integration & Signal Conditioning ● Power Electronics ● Prototyping, Testing, Debugging & Manufacturing Support Selected Project Experience: ● STM32H7 Touchscreen HMI with LVGL ● LTE Cat-M1 embedded systems ● RFID/NFC electronic products ● USB and RS485 industrial communication systems ● MP3/WAV embedded audio players ● Mobile applications communicating with embedded devices ● BLDC Motor Controllers with Sensored/Sensorless FOC ● HVAC and Environmental Control Systems ● CNC and Motion Control Systems ● Industrial Automation Equipment ● Marine and Automotive Electronics ● Incubator Controllers ● Spot Welding Controllers ● Hydraulic and Pneumatic Control Systems ● Custom Embedded Electronic Products I can support projects from concept to production, including system architecture, schematic and PCB design, embedded firmware, HMI development, communication interfaces, mobile integration, prototyping, testing, debugging, and manufacturing support. My focus is on making complex electronics projects practical, clear, and reliable while keeping the solution aligned with technical requirements, budget, and timeline. If you have an electronics, embedded, automation, motor-control, or PCB project, I can help turn your requirements into a working solution. Let's discuss your project and find the right technical solution.