Minggu, 06 Juli 2008
5 Zone alarm circuit
This is a complete alarm system with 5 independent zones suitable for a small office or home environment. It uses just 3 CMOS IC's and features a timed entry / exit zone, 4 immediate zones and a panic button. There are indicators for each zone a "system armed" indicator. The schematic is as follows:
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mas puguh, suka elektro masa masa sekolah ya, tetap buat simply as possible. lumayan buat isi waktu luangku neh.
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