Thread: DIY burglar alarm using cheap PIRs, soldering iron and PC ?
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badger.badger badger.badger is offline
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Default DIY burglar alarm using cheap PIRs, soldering iron and PC ?
Harry Bloomfield wrote:

Clash, unlikely if the PIR uses the PC wireless network frequencies
2.4Ghz and the Anglian 432Mhz licence free - no.

70 cms, nice and jammable!
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