The seller did an excellent job on this advanced MCU carrier board project. The schematic, PCB layout, power architecture, communication interfaces, protection circuitry, and manufacturing files were completed professionally and with strong attention to detail. Communication was clear throughout the project, and the seller demonstrated excellent technical knowledge of STM32, CAN, RS485, USB, power regulation, and embedded hardware design. The final design is well organized, manufacturable, and suitable for firmware development and prototyping.... Lee más