Dear Executive,
I can understand your concern about acceptance criteria and low budget of this project. Still I want my engineer to try this out as we have rich experience in STM32F7 Discovery kit, and customize smartwatch product based on the STM32 MCU.
But minimum required things from you will be Discovery Kit, because last time we worked on was supplied by customer and we send it back to customer after successfully completion of his work.
Let me know if you are interested to work with me & my team.
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Thanks,
ALM