truckdoctor

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 ?

-------------------------------------------------------------------------------- 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.