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Old 18th March 2008, 01:54 AM   (permalink)
Default Proximity Alarm.

Hi, i want to make a proximity alarm that when you move away from an object, and you have the alarm with you (say in your pocket) it beeps if you go 3-4 meters away from it. Does anyone have a Schematic to do this, if not can anyone help me make this? Thanks!
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Old 18th March 2008, 03:27 AM   (permalink)
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Just google child alarm. Here's one.

Mike.
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