Been thinking about lighting the stairs using these led strips with the 60led's
http://www.ledlightszone.co.uk/led-tape/54-flexible-led-strips-non-waterproof-72w-30pcs.html
So got the idea of using 2 small PIR sensors 12v one at the top and one of the bottom of the stairs linked together so that the lights come on when going both ways and powering the lot from a larger than needed led driver which looking at them look like switch mode psu's or even a PC psu,here is the link for the PIR'S
http://www.quasarelectronics.co.uk/velleman/pir416-mini-pir-motion-detector-module-12vdc.htm
Anybody see any problems,all i could think of was that a diode may be needed between the PIR output's but then again i think they are relay controlled.
http://www.ledlightszone.co.uk/led-tape/54-flexible-led-strips-non-waterproof-72w-30pcs.html
So got the idea of using 2 small PIR sensors 12v one at the top and one of the bottom of the stairs linked together so that the lights come on when going both ways and powering the lot from a larger than needed led driver which looking at them look like switch mode psu's or even a PC psu,here is the link for the PIR'S
http://www.quasarelectronics.co.uk/velleman/pir416-mini-pir-motion-detector-module-12vdc.htm
Anybody see any problems,all i could think of was that a diode may be needed between the PIR output's but then again i think they are relay controlled.