
Sandrosh
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Embedded Systems & Electronics Engineer
Freelance • Freelance
May 2019 - Sep 2026 • 7 yrs 4 mos
With over 7 years of experience in electronics and embedded systems engineering, I have worked with various companies and on freelance platforms including Upwork, delivering end-to-end technical solutions across multiple industries. Key projects include: • Full development of drones from scratch (hardware, firmware, and flight control) • Smart home automation systems • Design and construction of industrial machinery • Development of medical devices, including a PRP (Platelet-Rich Plasma) preparation device • Motion control systems using FOC (Field-Oriented Control) with brushless DC motors and stepper motors • Design and fabrication of laboratory equipment My work spans the full engineering cycle: PCB design, microcontroller programming (STM32, AVR/Arduino, Zynq), signal processing, mechanical fabrication, and hardware repair/reverse-engineering.