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charlespcb

Charles

@charlespcb

electronics engineer

United Kingdom
About me
Hi there, I'm Charles an electronics engineer with strong expertise in PCB design, schematic development, and embedded firmware. Skilled in creating efficient, reliable hardware systems from concept to production. Proficient with modern EDA tools, microcontroller platforms, and mixed-signal design. Focused on delivering optimized, scalable solutions with clean architecture, robust testing, and precise documentation.... Read more

Skills

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charlespcb
Charles
Offline • 

See my services

Embedded Systems & IoT
I will iot apps, smart devices, tuya, esp32, arduino firmware, pcb design, mqtt
From$150 / projectMore details
Printed Circuit Boards (PCB)
I will design drone flight controller pcb, pixhawk ardupilot, skybrush esc stm32
From$150 / projectMore details

Work experience

Electronicx

Senior Electronics & Embedded Systems Engineer

Electronicx • Self-employed

Jun 2020 - Present • 6 yrs

Experienced Electronics and Embedded Systems Engineer specializing in PCB design, hardware development, IoT solutions, wearable technology, and firmware programming. Designed and developed multilayer, rigid-flex, and flexible PCBs for consumer electronics, medical devices, industrial automation, and smart wearable products. Proficient in schematic capture, PCB layout, component selection, signal integrity, power management, Bluetooth Low Energy (BLE), Wi-Fi connectivity, sensor integration, and embedded firmware development. Experienced with ESP32, STM32, Nordic nRF52, Arduino, and ARM-based microcontrollers. Successfully delivered complete hardware solutions from concept to production, including prototype development, testing, debugging, manufacturing support, Gerber generation, BOM preparation, and design optimization for mass production. Key achievements include: • Developed wearable health monitoring devices with Bluetooth connectivity. • Designed high-speed multilayer PCBs for IoT and embedded systems. • Created low-power battery-operated products for commercial applications. • Delivered production-ready hardware for startups and businesses worldwide. • Optimized PCB designs for reliability, manufacturability, and cost reduction.