You could draw it on paper and post a scan.
If you don't have a scanner, you could download a programme such as Circuit Maker.
Alternatively, use PowerPoint, MS Paint or other drawing package.
Attached is an example (when helping someone else on this forum) I did using PowerPoint.
I save it initially as a .ppt then, when ready, save as a .gif and post.
The point is that we are all busy people and we don't have the time to unscramble your verbal description.
Besides, a picture is worth a 1000 words.