PCB development, MCU firmware, IoT devices, and hardware integration. Experienced with STM32, ESP32, nRF52, Arduino, Embedded C, FreeRTOS, BLE, CAN, RS485, UART, SPI, and I2C. Services cover circuit design, schematic capture, multilayer PCB layout, component selection, firmware coding, sensor integration, hardware debugging, and production files. I focus on reliable electronics and well-structured embedded solutions from concept through prototype... Lee más