Senior electronics engineer with 26 years specializing in embedded systems, RF/wireless protocols, and IoT security,Medical Devices,Defense Applications as Submarines,rovers and Drones . I deliver production-ready solutions for STM32, ARM, ESP32, and industrial systems. ✓ Post-Quantum Cryptography (NIST standards) ✓ Embedded C/C++ (STM32, ARM Cortex, ESP32) ✓ RF & Wireless (BLE, LoRa, Zigbee, Custom protocols) ✓ Edge AI & TinyML (TensorFlow Lite Micro) ✓ IoT Security & Cryptographic Implementation ✓ RTOS Development (FreeRTOS, Zephyr) ✓ Hardware Security Modules ✓ Industrial Protocols (Modbus, CAN, UART) ✓ Software Defined Radio (HackRF, RF analysis) ✓ Medical/Automotive Embedded Systems I have built from simple applications to as complex as Designing a ground station aircraft radio based on ACARS and ED137 Eurocae standards ie Aircraft Communication Addressing and Reporting System. Wearable Devices and Bio-Medical Instruments. software defined radio,hackrf, rtl-sdr, rtlsdr,portapack,Opera Cake for HackRF,antenna design ,antenna analysis, RF Power amplifiers,USB,PIC,PIC32,cc1101,drone, submarines,defense application,war machines.