Inspect the PCB design (if it is necessary to modify the pcb).
Help buy components in china and help you find pcb manufacturer (best price and quality) in china.
Microcontroller programming. Send source code.
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Hello, We are having knowledge in microcontroller programming and PCB designing. Have completed many project using STM32F407 and Nuvoton m0516, this may be helpful to you. Best Regards Zyena Engineers