I will develop and debug embedded firmware for stm32 esp32 arduino, esp8266 and teensy

Nigeria

I speak English, French, Spanish, Portuguese

PROFESSIONAL ELECTRONIC ENGINEER

I'm samuel zion a professional Hardware & Firmware Engineer specializing in custom PCB design, STM32, ESP32, Arduino, ESP8266, Teensy, Raspberry Pi, automotive ECU, CAN/CAN-FD, OBD2, BLE, LoRa, BMS, l...
About this Gig

Is your embedded device unfinished, unstable, or not communicating correctly? I'm samuel zion a professional embedded firmware Engineer helping turn hardware into reliable, working products.


I develop, debug and optimize embedded firmware for STM32, ESP32, Arduino, ESP8266 and Teensy using Embedded C/C++. From new firmware development to fixing existing code, I work with sensors, peripherals, communication protocols, IoT devices and real hardware


I CAN HELP YOU WITH

STM32, ESP32, Arduino, ESP8266 & Teensy firmware

Embedded C/C++ programming

Firmware debugging and bug fixing

GPIO, ADC, PWM, timers & interrupts

UART, I2C, SPI, CAN & USB

Sensor and peripheral integration

Wi-Fi, BLE & IoT connectivity

MQTT, HTTP & API communication

FreeRTOS and real-time applications

Firmware optimization and code cleanup

Hardware bring-up, testing and troubleshooting

Low-power, sleep-mode & battery optimization


Whether you need firmware built from scratch, existing code repaired, a sensor communicating correctly, or an embedded prototype prepared for further development, I can help


Kindly send your requirements, hardware details or existing code and lets get your device working.

Platform:

STM32

Sensors:

Temperature

•

Humidity

•

Accelerometer

•

Ultrasonic

•

Infrared

Expertise:

Firmware development

•

RTOS

•

Debugging

•

Microcontrollers

Other Electronics Engineering Services I Offer