Make a Laser Trip Alarm
This will teach you how to make a laser trip mine. If someone steps in the lasers path I have gotten it to set off a LED, but you can make it set off other things such as an alarm, etc.
This will teach you how to make a laser trip mine. If someone steps in the lasers path I have gotten it to set off a LED, but you can make it set off other things such as an alarm, etc.
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