Blog · September 28, 2026
Motion Sensor for a Shop Door
The shop door opens when you are in the house.
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Why this comes up
The shop door opens when you are in the house. A contact on the shop door is clearer than a beam across the whole yard.
What to check on the map first
County GIS lines are assessment maps. They are not a survey, and a product will not redraw them.
Open Platbookmapper and choose the state. The directory sends you to the county viewer. Match the parcel ID before you trust a pin on an aerial photo.
A tool that matches the job
Shop the Door motion sensor when that is the job in front of you. A contact on the shop door is clearer than a beam across the whole yard.
The limit
Put the sensor on your lane or your door. A chime is not a boundary, and a shared easement is only a right to pass.
Walk the parcel in daylight before you trust a gadget at dusk.
Not a survey. County GIS and tax parcel maps are assessment and planning layers. They are not a substitute for a recorded plat, deed, or licensed survey.