Your question is Developed Microcontroller Electronics Project. Take a moment with it on the right.
Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).
About my projects, microcontroller, analog electronics and digital electronics
Describe one or more projects involving a microcontroller, analog electronics, or digital electronics. Explain the architecture, component and protocol choices, firmware behavior, hardware debugging process, and security or safety risks. Be prepared to identify failure modes, explain how you verified the design, and discuss how you would improve its reliability and resistance to tampering.