1. Materials we need to prepare.
2. Circuit diagram.
3. Screen shot of some steps.
4. Test it.
Product list:
arduino uno https://www.utsource.net/itm/p/7929944.html
lcd https://www.utsource.net/itm/p/7958926.html
ultrasonic https://www.utsource.net/itm/p/8028889.html
jumpers wire https://www.utsource.net/itm/p/7961311.html
More details, pls check it on Youtube: