I will develop embedded c firmware for esp32 arduino stm32 mcu iot wireless device
Pro Audio PCB Engineer, MIDI Controller And Audio Mixer Hardware Design
About this Gig
Need a professional to write clean Embedded C firmware for your ESP32, Arduino, or STM32 MCU? I've got you covered.
I build reliable, optimized firmware for IoT and wireless devices from simple sensor reads to full wireless communication stacks. Delivered fast, clean, and ready to deploy.
WHAT I OFFER:
- Embedded C / C++ firmware development
- ESP32 WiFi, BLE & Arduino custom code
- STM32 HAL/LL driver programming
- SPI, I²C, UART peripheral interfaces
- Wireless protocols BLE, WiFi, LoRa
- FreeRTOS & interrupt-driven systems
- Low-power & battery-optimized firmware
DELIVERABLES:
- Well commented, production-ready C code
- Schematic review & hardware validation
- Debugging, testing & free revisions
Your firmware should just work. I make sure it does.
Drop me a message before ordering!
Other Electronics Engineering Services I Offer
FAQ
Can you help if I have an existing project that needs fixing or upgrading?
Yes. I handle debugging, code optimization, feature additions, and firmware upgrades on existing projects. Share your current code and describe the issue I'll review it and give you a clear plan before you place an order.
What if the firmware doesn't work on my hardware?
All packages include free revisions. If the firmware doesn't perform as specified in our agreed requirements, I will debug and fix it at no extra cost. I also offer hardware consultation to identify any compatibility issues.
Will I receive the full source code after the project?
Yes you receive 100% of the source code, fully commented and documented. The code is yours to use, modify, and deploy. I do not retain any rights to the firmware I build for your project.
Do you work with wireless protocols like BLE, WiFi, and LoRa?
Absolutely. I implement WiFi (TCP/IP, HTTP, MQTT), Bluetooth Low Energy (BLE GATT), LoRa/LoRaWAN, and Zigbee firmware. I also handle UART, SPI, I²C, and CAN Bus communication protocols for wired setups.
Can you write firmware in both C and Arduino IDE?
Yes. I develop in bare-metal Embedded C, STM32 HAL/LL libraries, Arduino framework (C++), and MicroPython. I match the language and toolchain to your project needs and hardware requirements.

