Briefly tell about your last project: responsibilities, tech stack, what you did

In my last project, I worked on developing a monitoring system for smart devices based on microcontrollers. My responsibilities included writing firmware in C for data collection from sensors, configuring communication via the MQTT protocol, and integrating with a cloud platform. Technology stack: C, FreeRTOS, MQTT, AWS IoT cloud platform. I was involved in developing sensor drivers, implementing data processing logic, and ensuring stable server communication.