Couple of beginner questions

[TomGeorge]

Hi,

@cantcreateprofilename

physical placement mainly. In this picture it seems author wanted to use less jumper cables,
but still in other tutorials I've seen a lot of time pictures are completelly unreadable due to horizontal resistor placements.

This where the author of these Fritzy diagrams needs to provide a proper readable schematic using standard symbols and layout.

Tom....