Hi,
Your project is interesting, i can handle it but the time estimation depends on every specification you want to be implemented.
As experience I'm working in automotive domain for 4 years. In the past i developed software for instrument clusters and wireless chargers. As an freelancer i also made projects for controlling stepper motors, bluetooth communication, controlling eletrical hot plate, eletric adjustable desk and others.
If you think i have the necessary skills for this job, contact me to talk more about the project.