Are you looking for a reliable ESP32 / ESP-IDF engineer who actually understands embedded systems — not just Arduino copy-paste?I'm Soheil, an embedded systems engineer with 3+ years of hands-on experience building production-grade firmware for industrial and IoT devices using ESP32 and ESP32-S3.What I can do for you:Full firmware from scratch — architecture, drivers, RTOS tasks, power managementFreeRTOS multi-task systems — task design, synchronization, queue/semaphore, watchdogSensor integration — I2C, SPI, UART — calibration, filtering, signal processing (FFT, RMS, Butterworth)Wireless & connectivity — WiFi, WebSocket server, HTTP/HTTPS REST API, on-device web serverOTA updates — firmware + filesystem (LittleFS) over-the-airDisplay & UI — LVGL on embedded screens, touch, custom widgetsDebugging & bug fixing — FreeRTOS issues, timing bugs, peripheral problems, memory leaks
