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Do-It-Yourself Driveway Alarm
"I put together a driveway warning system that works well for us to tell when anyone comes up the driveway," says Norman Kittleson, Sherburn, Minn.
"I took a pressure switch from a water pump system and reversed the action so that when pressure is applied on a water line, the electricity turns on instead of off. I attached 12 ft. of rubber hose, filled it with anti-freeze, and laid it across my driveway.
"When a vehicle drives over the hose, the pressure turns on the switch, activating a bell in the house.
"We've had the alarm in place for nearly 3 years and it works great. We run a bed and breakfast in southern Minnesota and the warning notice has been helpful. It's some-thing we just wouldn't be without now.
"When there's a lot of driveway use going on - such as hauling corn or beans - we simply take the hose off the driveway."
Contact: FARM SHOW Followup, Norman Kittleson, Rt. 2, Box 75, Sherburn, Minn. 56173 (ph 507 764-8861).

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1997 - Volume #21, Issue #6