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DIY - Make an Alarm System in 3 minutes

Posted in DIY Zedomax, DoItYourself! by max on the August 18th, 2006 at 7:26 pm

Here’s a DIY on how to make an alarm system in 3 minutes. We will use a loud buzzer and some magnetic switchs from Radio Shack to create a simple yet effective alarm system. We will throw in a LCD, keypad so we can alarm the alarm system using a 4-digit code and be able to see the system status using the LCD.

DIY Link

DIY Link [html] , , , , , , , ,

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2 Comments »

Comment by cattriena
2006-08-19 18:17:05

looks interesting, but can you add more door sensors?

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Comment by max
2006-08-20 05:11:20

yes, you can add up to 49 door sensors if you wanted to.

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