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i am a GCSE student at DHSB in Plymouth, and i have decided to do and alarm system for my bedroom, it has to be silent, easy to use by all, has to be able to switch off easily, using a 555 monostable circuit and a latching thyristor. it has to be activated by either pressure or by motion. also i need research on 4 different alarm systems that already exist. please cud u e-mail me some info on some products or a circuit diagram that i could possibly use
thanx in advance
Matt
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Moderator
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also all replies should be posted here NOT emailed
thanx in advance
Matt
____________________________________
Moderator
split from hi-jacked post
also all replies should be posted here NOT emailed