Ok. I think for once, I’ve figured out the logic side before the graphical side. In the file below, you can make a connection NeatTools style. Now, you won’t see anything happen, but a logical connection will be made. In fact the blue connecting line will look like it’s doing something very strange, but trust me it’s working.
So, for example, click in the right hand edge of the button and drag an invisible connection to the left hand edge of one of the LEDs. Repeat with any of the other modules that were previously connected (except the minus and the division, I don’t have the top inputs setup, but you can access their left inputs). Now when you click the button, the LEDs will react as if there was a connection. You just can’t see it. Yet.
