Dear Sir,\r\nMy name is Trung, and I am a professional mechatronics engineer based in Vietnam. With a robust academic background, having earned a bachelor\'s degree in mechatronics engineering, I bring over six years of extensive experience in hardware product development. My expertise primarily lies in the development of innovative products such as IP Cameras, Smart Home technology, and various IoT devices.\r\nOne of my key areas of specialization is in PCB design, where I am proficient in working with multi-layer, high-speed, and high-density PCBs, utilizing industry-leading tools like Altium, Mentor Graphics, Ki-cad, and Easy-EDA. Additionally, I possess a deep understanding of PCB manufacturing processes, including Design for Manufacturability (DFM), Design for Testability (DFT), In-Circuit Testing (ICT), and Functional Circuit Testing (FCT). This knowledge is crucial in ensuring high-quality production outcomes.\r\nI have successfully completed several projects involving IoT devices, particularly those based on the ESP32 platform. These experiences have honed my skills and prepared me to tackle diverse and challenging projects in this domain.\r\nI am enthusiastic about the possibility of collaborating with you and believe that my skills and experiences would be a valuable asset to your project. I am looking forward to discussing how we can work together to achieve your project goals.\r\nThank you for considering my proposal.\r\nSincerely,\r\nTrung