I will develop and debug embedded firmware for stm32 esp32 arduino, esp8266 and teensy
PROFESSIONAL ELECTRONIC ENGINEER
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.

