I will make hardware prototyping, pcb circuit design, schematic,esp32, arduino, stm32

United Kingdom

I speak English

Designing Smart, Scalable Embedded Systems from Concept to Completion

I’m keith Ray, an Embedded Systems Designer with strong experience in both hardware and software development. I specialize in building complete embedded solutions from microcontroller firmware design...
About this Gig

Professional PCB, Schematic & Hardware Prototyping Services


I help bring your electronics projects to life with complete PCB development, hardware prototyping, and embedded system integration.


Whether you need a microcontroller board, sensor interface, power management solution, or RF module, I deliver robust, production-ready hardware tailored to your project.


Services Include:


PCB development using KiCAD or EasyEDA


Microcontrollers: ESP32, ESP8266, STM32, ATmega


Power management & battery circuits, including charging and low-power optimization


Sensor & actuator interfaces: Analog/Digital, SPI, I²C, UART, USB


RF & wireless modules: Wi-Fi, Bluetooth, LoRa, NFC, RFID


Signal integrity, EMI control, stack-up planning, and high-speed routing


Firmware bring-up with Arduino or STM32CubeIDE


Manufacturing-ready files: Schematics, BOM, Gerber, Pick-and-Place, 3D Models



Advanced Expertise: SMT and microstrip antennas, antenna tuning with EM simulation, RF matching networks, shielding, and high-performance layout optimization.


Contact me first to discuss your project so I can deliver a reliable, ready-to-manufacture solution.

Specialization:

Circuit design

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Schematics

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Layout

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Gerber

File format:

Gerber

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STEP

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PDF

Software:

EasyEDA

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KiCad

Interface:

HDMI

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MIPI DSI/CSI

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I2S

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TDM

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UART

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USB

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I2C

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SDIO

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PCIe

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Wi-Fi

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BLE

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BT