Motion sensor with random color light

Other Hardware Sensors
1

Hi I’m just getting start with lighting. I want to make lighting circuit using motion sensor to turn on an LED but the hardest part that I cannot solve is that I want my LED changes the color every time motion sensor work. Like 1st time blue turn on and for 2nd time red turn on and repeat in a set. Is it possible to do something like this?

Thanks

2

Hi,
you could use a switch-case control structure

Every time motion is detected you could use a counter adding up
counter++;
then reset it when a max counter value has been reached.

If you need help about coding for a motion sensor I suggest this tutorial:

3

I'd advise learning about state machines - then you just have to draw out the
state-transition diagram for your LED logic and map this directly to code. The
state here presumably represents the last LED colour.

4

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