Being able to efficiently interpret ladder (line) diagrams is an important part of electrically troubleshooting many HVACR systems. These diagrams are drawn in such a format that it is quite easy to ...

We're alluding to circuit schematics, of course; diagrammatic flow charts that describe the exact behavior of a computer chip, printed circuit board, or even your own home-made DIY electronics ...

Robots capable of reading diagrams could work in more varied environments and be easier to communicate with.