IHELLO, this is brian, an embedded systems and IoT developer specializing in Arduino, ESP32, and NodeMCU programming. I help students, startups, and businesses turn ideas into reliable hardware solutions through clean, efficient firmware. My skills include WiFi/Bluetooth communication, sensor and actuator integration, IoT protocols like MQTT and HTTP, and system debugging. I deliver scalable code, clear documentation, and dependable post-delivery support.... Read more