c
chenshu_alpha

Chen S

@chenshu_alpha
China
Chinese, English
About me
We provide circuit PCB design, embedded software development for single-chip microcontrollers (C51, STM32 series), and peripheral development services for the Zigbee CC2530 chip.... Read more

Skills

c
chenshu_alpha
Chen S
Offline • 
Average response time: 1 hour

See my services

Printed Circuit Boards (PCB)
I will design pcb layout and schematic for your electronic product
From$15 / projectMore details
Printed Circuit Boards (PCB)
I will design qi wireless charging pcb and hardware
From$50 / projectMore details

Portfolio

Work experience

Freelancer.com

Electronics Engineer

Freelancer.com • Full-time

Jul 2024 - Mar 2026 • 1 yr 8 mos

Worked as a hardware engineer focusing on power electronics and PCB design for consumer electronic products. I was involved in the development of wireless charging solutions, including a 20W wireless charging product designed for the US market. The product supports 12V DC input and is compatible with major brands such as Apple, Samsung, and Lenovo. My responsibilities included: PCB schematic and layout design Power system design and optimization Wireless charging circuit development Testing, debugging, and performance optimization Ensuring product stability, efficiency, and thermal performance