truckdoctor Posted June 9, 2009 Share Posted June 9, 2009 -------------------------------------------------------------------------------- Hi eveyone , i have a question for all you experts i can't find an answer to. What motion detector can i use as a switch to operate a device iv'e made in a shop window that detects passers by on the other side of the glass . Iv'e made it with a PIR and all was working well in the workshop and didn't realise that PIR's don't work through glass. Any idea what other sensors i could use? possibly microwave where can i purchase as ive only seen dual PIR and microwave combined Help please. Quote Link to comment Share on other sites More sharing options...
Secware_Tech6 Posted June 9, 2009 Share Posted June 9, 2009 Your right with a microwave, however i dont know of a microwave only detector anymore. Many years ago RACAL made one. Can you not use an external sensor? Quote Link to comment Share on other sites More sharing options...
truckdoctor Posted June 9, 2009 Author Share Posted June 9, 2009 Yes , could use a PIR with a radio link but don't want any-thing hard wired or fixed out side the shop if possible as it's only temporary and needs to be moved to a different shop after a few weeks . Would it be possible to open a combined PIR and microwave sensor and use the electronics of the micowave section only to switch a timer circuit ? Quote Link to comment Share on other sites More sharing options...
Secware_Tech6 Posted June 10, 2009 Share Posted June 10, 2009 might be possible on an old one, but the new one are a re a bit advanced to be modified much and continue to work. You might be bale to use a modern one and remove the pyro, this would fool the unit into thinking the pir was not functioning and work with its only remaining technology. However I have never done this. James Quote Link to comment Share on other sites More sharing options...
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