Hi, I'm Donald, an electronics engineer with 5 years of experience in motor controller PCB design, LED driver circuits, embedded hardware, and firmware development. I specialize in custom PCB design, motor control systems, BLDC motor controllers, PWM speed control, LED lighting control, Arduino programming, STM32, ESP32, microcontroller firmware, schematic design, PCB layout circuit simulation MOSFET gate drivers, sensor integration, hardware debugging, BOM, Gerber files, and source code using KiCad, Altium Designer, LTspice, and Arduino IDE. I focus on reliable designs and client satisfaction... Saiba mais