This pandemic made us take a fresh look at everyday things. Not every small store can afford the installation of a sliding door. This pen is touched by EVERY person who enters a store or building. This should not be, especially in the context of the fight against a pandemic.
A simple and reliable solution should have been around. And this is definitely a decent 3D printers and Arduino solution.
Therefore, this project was proposed. It could be expanded on the door of a taxi.
Connection motor part