What challenges do you anticipate in completing the project?
Barely a challenge. This is a small project .
What kind of graphics you want ? It is a hobby job or a professional one ?
Proposal:
17 years experience , lot of work done in pi, some of the major jobs are
I have built several projects with raspberry pi including
# complex ones like 3d printer web printing
# parking system for a 30 ft+ long boat with 8 sensors and display on ipad
# Dog parker dog house with cloud and subscription system as in profile. Rfid + raspberry pi.
# Metal sheet defect tracking in a factory with camera , raspberry pi and a switch (opencv)
And several more
New version has got better app + A camera to log plate numbers of all vehicles in parking, their duration ,when they come , whey they leave.
A photo of new vehicle uploaded on first plate visibility. etc. There is more.
A glimpse of video is in below link , it is a custom solution.
An Mqtt based server to sync everything with a cloud.