How do Drive-Thrus know when a new car has arrived at the speaker, even when it’s a full line of cars?
In: Engineering
Actually it’s the headset that the drive thru worker wears when someone pulls up to the screen it beeeps incessantly in the headset until you press a button to greet the car and take their order. I worked at Mc Donald’s and Wendys for two years
There is a sensor (usually a half-assed quality of a radar) right next to the speaker, that measures the distance to objects in fromt of the speaker.
No object? No car.
Object close? Got to be a car. Sound a buzzer inside the restaurant.
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