It's a one-wire interface board for connecting sensors using RJ9 jacks. It was a quick little design, and I haven't populated a board yet. I'll post another picture when I do. It'll be a good chance to put to work the new soldering station.

It's a one-wire interface board for connecting sensors using RJ9 jacks. It was a quick little design, and I haven't populated a board yet. I'll post another picture when I do. It'll be a good chance to put to work the new soldering station.