This is a prototype done as a model for PLC implementation for weighing bridge scale to ease out for trucks or other heavy vehicles.
It houses a bunch of sensors like wheel sensor, infrared wheel separator to smoothen the entire process. The weight measure is displayed and the toll hand(if that’s what it’s called) moves 90 degrees up or down to allow and stop the vehicle respectively with the help of a servo motor.
The picture below is prototype I made.
Inbox me for the codes.