I think the loader should only dump things into a container, but you need inserters to pick things out.

Could the colors on wires be changed? As red-green colorblind person, copper and green wires look the same, and red wires are almost impossible to see in dirt-settings. If there's an option to make arbitrary colored wires, they could also be used for more complex circuits.

Can we get a space-radio type item that can write out and read from a text file?