I'm trying to build a "dawn simulator" for a bank (about 200W at 120V) of incandescent lights.
The circuit should have the following control inputs:
Input 1 - Momentary trigger from a timer. Begin bringing lights up to 100% power over a period of about 30 minutes.
Input 2 - Momentary trigger from a manual pushbutton. Immediately raise power to 100%. ie, a soft power switch.
Input 3 - Momentary trigger from a manual pushbutton. Immediately drop power to 0%.
I know how to use a timer, but I don't know how to (safely, efficiently) build a dimmer. Has anyone seen a circuit that might steer me in the right direction, or even a product I could modify?
The circuit should have the following control inputs:
Input 1 - Momentary trigger from a timer. Begin bringing lights up to 100% power over a period of about 30 minutes.
Input 2 - Momentary trigger from a manual pushbutton. Immediately raise power to 100%. ie, a soft power switch.
Input 3 - Momentary trigger from a manual pushbutton. Immediately drop power to 0%.
I know how to use a timer, but I don't know how to (safely, efficiently) build a dimmer. Has anyone seen a circuit that might steer me in the right direction, or even a product I could modify?