I'm a professional embedded systems and IoT developer specializing in PCB design, firmware, and smart device solutions. I design high-quality multilayer and RF PCBs using tools like Altium Designer and KiCad, with strong focus on DFM, signal integrity, and compact layouts. I develop efficient firmware using FreeRTOS, enabling secure, low-power, and OTA-ready devices. My expertise covers Arduino, ESP32, and custom embedded systems, delivering scalable IoT solutions integrated with cloud platforms and edge computing for modern applications.... Read more