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Get a signal from a PIR motion sensor to drive a siren, independent of the burglar alarm computer.
net - 596.00 bytes - 12/17/2017 at 20:56
tclib - 16.00 kB - 12/17/2017 at 20:56
dsn - 19.71 kB - 12/17/2017 at 20:56
per - 7.93 kB - 12/17/2017 at 20:56
Niel Malan