Idea: Smart LED front door light with PIR detector and light sensor
I searched the forums for the project I plan to do, but found no real answer.
Here is the idea:
I want to have a front door light using CREE high power LEDs that would:
- stay off during the day
- turn on at 10% current level when night falls
- ramp up the current gradually to 100% current when a movement is detected, stay at 100% for a preselected amount of time, then return back to 10%.
This would make a very efficient front door light.
I have some experience making headlamps using buckpucks and power LEDs (thanks to dan from this site), but I have no idea on how to make the "gradually changing" current driver for that project. I guess it would involve a microcontroller of some sort.
Has anyone some insights on this ?
Thanks for reading,