I will design wearable iot pcb esp32 nrf52 ble embedded firmware system

United Kingdom

I speak English, German

Embedded Systems and PCB Design Expert

I am John Ked, I design high-performance PCB and embedded systems for IoT and wearable devices using ESP32, STM32, Arduino, and nRF52 MCU platforms. My expertise covers schematic design, multilayer PC...
About this Gig

I develop compact, high-performance wearable IoT hardware with optimized PCB design, embedded firmware, and BLE connectivity using ESP32, STM32, and nRF52 platforms. Whether you are building a smart wearable, health monitoring device, BLE sensor, or low-power embedded product, I deliver reliable engineering solutions ready for real-world use and manufacturing.


Unlike many generic PCB freelancers, I focus on complete embedded system development with attention to low power optimization, stable wireless communication, compact layout, and production-ready design.


What I Offer

  • Wearable IoT PCB design
  • ESP32 STM32 nRF52 integration
  • Embedded firmware development
  • BLE and WiFi connectivity
  • Low power optimization
  • Compact multilayer PCB layout
  • Schematic design
  • Sensor integration
  • Battery-powered system design
  • PCB debugging and testing
  • BOM and Gerber files
  • Manufacturing-ready output
  • Embedded system prototyping



Tools I Use


  • Altium Designer
  • KiCad,
  • Eagle,
  • Proteus,
  • MATLAB,
  • ESP-IDF,
  • Arduino IDE


Send your project requirements and lets build a professional wearable IoT system tailored to your goals.


Platform:

ESP32

Sensors:

Temperature

Humidity

Accelerometer

Ultrasonic

Microphone

Expertise:

Firmware development

Debugging

Microcontrollers

IoT

PLC

Other Electronics Engineering Services I Offer