I have some 12v ropelights i want to install outside. I am thinking of putting them under deck railings, and under steps.
of course, all that is easy. At very least, I want them on a photo eye to only run at night- which is simple to do.
What I REALLY want though, is for them to be on normally at a very dim level, just so you can see it, then when you approach the area they light up full brightness.
I am good enough with circuitry that I could wire in say a proximity sensor to bypass a dimmer or something... but i think it would be a nice touch to have a gradual dimming and brightness. Like a soft fade up and down.
What I am asking is, is there already a device like this I could use? Or do I have to do then fun way in designing my own circuit?
thanks in advance!!
edit- nevermind, i see jameco sells dimmable led power supplies. it seems you can just adjust the constant current by varying the voltage at a certain point. maybe a pic controller could give this supply a 'soft' operation? http://www.jameco.com/Jameco/Products/ProdDS/2140744.pdf
of course, all that is easy. At very least, I want them on a photo eye to only run at night- which is simple to do.
What I REALLY want though, is for them to be on normally at a very dim level, just so you can see it, then when you approach the area they light up full brightness.
I am good enough with circuitry that I could wire in say a proximity sensor to bypass a dimmer or something... but i think it would be a nice touch to have a gradual dimming and brightness. Like a soft fade up and down.
What I am asking is, is there already a device like this I could use? Or do I have to do then fun way in designing my own circuit?
thanks in advance!!
edit- nevermind, i see jameco sells dimmable led power supplies. it seems you can just adjust the constant current by varying the voltage at a certain point. maybe a pic controller could give this supply a 'soft' operation? http://www.jameco.com/Jameco/Products/ProdDS/2140744.pdf
Last edited: