Electronics diagram software

[Monkminder]

I am looking to do a DIY pool automation controller. I have researched fairly extensively here and elsewhere.

I want to create a build list and create a visual diagram of all the electrical connections, both high and low voltage. I am looking for advice on layout software for electrical circuits. I really only need to do a block diagram, but if something out there had models for Raspberry Pi, it would look/feel even better to me. Free software would be best. I am currently thing with Sketchup or I may able to find my old Office Deluxe install disc for MS Viso but it would be a hunt. Any thoughts anyone?

 

[RonsPlc]

you could look into the Arduino online sketch up site.
I think they have a section for you to input the processor with a Pi.

 

[midlifecrisis]

draw.io Free.

I use it professionally for network stuff since MS Visio was depreciated. PowerPoint works well, but it is not automated so it takes a little getting used to with boxes and lines.

edit: I should say that the features I needed in Visio were depreciated, not the product itself.

 

[midlifecrisis]

There are some free plugins that will accommodate the Raspberry Pi components available. I can't remember if they are included in the base on the website or not, but just search for them and they can be brought it easily.

 

[Monkminder]

Thanks for all the replies. Much appreciated!