Skill: Programming: C, C++, Micro Python, Arduino framework
IDE: Keil, MPLAB, STM32CubeIDE, Arduino IDE
Microcontroller: STM32, AVR, PIC, ESP32, Arduino boards
Hardware: Sensor & peripheral interfacing, module integration & testing, basic PCB design
Protocols: UART, SPI, I2C, CAN, LoRa, Wi-Fi, BLE, Zigbee, GSM
Deployment/OS: FreeRTOS & RTOS concepts, firmware flashing and debugging on target hardware.