Cheap car presence & position detection in Home Assistant with ESPHome

Wouldn’t it be nice to instantly see if you forgot your car outside when going to bed or check if there is space in the garage to fit your car? Well in my case having a garage where 2 cars go one behind another, brings an issue since I would like to know if there is room to fit the car of maybe I have to leave the car outside while arriving home for cheap? Well I have found a solution for under 10$

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