I am an embedded systems engineer specializing in firmware development and hardware integration for IoT and microcontroller-based systems. I have experience working with ESP32, STM32, and AVR (ATmega... Read more

I am an embedded systems engineer specializing in firmware development and hardware integration for IoT and microcontroller-based systems. I have experience working with ESP32, STM32, and AVR (ATmega) platforms, developing reliable firmware for real-time and low-power applications. I focus on building practical embedded solutions including sensor integration, communication protocols (UART, I2C, SPI, MQTT), and system debugging. I also work with PCB design and hardware prototyping, ensuring smooth integration between firmware and circuit design. My goal is to deliver clean, efficient, and maintainable embedded solutions that meet real-world product requirements. ⚡Skills & Expertise⚡ - Microcontrollers: ARM (STM32, NXP), AVR, PIC, ESP32, Arduino, Raspberry Pi - Programming Languages: C, C++, Embedded C, Python (for prototyping/testing) - RTOS & Firmware: FreeRTOS, Zephyr, Bare-Metal, HAL/LL Drivers - Connectivity: Bluetooth (BLE), Wi-Fi, LoRa, Zigbee, MQTT, Modbus - Protocols: SPI, I2C, UART, CAN, USB, RS-485 - PCB Design: Altium Designer, KiCad, Eagle - Debugging Tools: JTAG, SWD, Logic Analyzers, Oscilloscopes - Simulation & Modeling: MATLAB/Simulink (if applicable) ⚡Services I Offer⚡ - Firmware development from scratch or modification - Embedded system prototyping and product design - Driver development for sensors, displays, and communication modules - IoT solutions: Edge device programming + Cloud integration - PCB design and hardware validation - Optimization of power, memory, and processing usage - Debugging and troubleshooting hardware/software issues ⚡Why Hire Me?⚡ - Timely Delivery - Clean, well-documented code - Long-term support and maintenance - Open communication & flexibility - End-to-end embedded product support I’d love to hear about your project. Whether you're building from scratch or improving an existing system, I can help bring your ideas to life.

I help clients with PCB/PCBA prototype support, ESP32 IoT hardware, PCB design files, and China product sourcing. My work includes PCB and PCBA prototype coordination, schematic and PCB layout supp... Read more

I help clients with PCB/PCBA prototype support, ESP32 IoT hardware, PCB design files, and China product sourcing. My work includes PCB and PCBA prototype coordination, schematic and PCB layout support, Gerber and BOM files, electronic component sourcing, supplier communication, quotation comparison, sample follow-up, and China-based manufacturing support. I can help clients move from an idea, circuit file, or product requirement to real samples by supporting both technical review and supplier coordination.