need some simple electrical help for my project. (Which will be posted up soon!)
1) if i have 5v from a power supply.. how to i branch the wire into 2.. so 1 wire outputs 5v and the other outputs 3v? can it be done by just simply adding a resistor to the 3v side?
2) if i have 6 LEDs connected, how do i delay each 1? so 1 turns on. then the next, then the next etc.
3) can a toggle switch be replaced with a normal push switch? e.g. when the switch is pressed the current flows and then it stops when the switch is pressed again. (the switch is the kind that only allows current to flow thru it when it is being pressed, when it is released the current stops)