When setting a crafting combinator to read mode one can select the following:

• recipe
• crafting speed
• machine status (which seems to be only green for running)

Firstly the machine status could indicate ingredient shortage and output full as well. I haven't tested "low power" but that could be useful too.

I would like to have 2 more options to choose from:

• ingredient count
• product count

Since an item can be both ingredient and product I think they have to be separate options. With both selected there could be an option to use different wire colors for each?