
Peniel Marvins
PCB Design, Electronics Engineering, Embedded system and iot Expert
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Embedded Systems and PCB Design Engineer
Fiverr • Freelance
Jul 2025 - Present • 10 mos
I design and develop complete embedded systems and hardware solutions from concept to production. My experience includes: High-speed PCB design and multilayer layouts Embedded firmware development (ESP32, nRF, STM32) Wearable devices and low-power systems Automotive electronics (CAN bus, digital clusters) Audio hardware and signal processing systems I have worked on full product development cycles including system architecture, schematic design, PCB layout, firmware development, and testing. Focused on delivering reliable, manufacturable, and production-ready designs.