Bill J pretended :
Can you help? I want to get some PIR sensors to wire into the
> light switch in each room in my house.
>
> So when I go from one room to another the lights will switch
> themselves on and off depending where I am.
>
> Where can I get low cost PIRs which will switch mains?
>
> Also, I'd like to locate some cheap PIRs which will switch low
> power 9 volt equipment.
>
> Thank you for any info.
Separate PIR's do tend to be very expensive when compared to equipment which includes a PIR. For example - for seven or eight pound you can buy a 500w flood light which includes a PIR, but the PIR alone might cost £20 -£30.
Take a look on the TLC web site for the indoor PIR's.