Languages:
C, C++, Embedded C, Python 3, TypeScript, JavaScript (ES6+), SQL, ARM/AVR Assembly
Embedded & Silicon:
STM32 (Blue/Black Pill, HAL/LL), ESP32 / ESP32-S3, ESP8266, Arduino (Mega, Uno, Nano), Raspberry Pi 4
Buses & Protocols:
LoRa (SX1262/SX1278), UART, I2C, SPI, 1-Wire, RS485 Modbus, BLE 5.0 (GATT), 433MHz / 2.4GHz RF, NMEA
Power & Actuation:
IBT-2 (43A H-Bridge), L298N, IRLZ44N / IRF540N MOSFETs, TRIAC AC Dimming, LiPo Power Rails, TP4056
Full-Stack & Cloud:
FastAPI, Next.js 15, React.js, Tailwind CSS, Three.js (WebGL PBR), Supabase (PostgreSQL), Node-RED, MQTT
Sensors & EDA:
MPU-6050, MAX30105 SpO2, NEO-6M/8M GPS, BME280, NPK Soil, KiCad, Proteus, EasyEDA, Git, Linux