How to automate via creation and placement in PCB designs using Python in KiCad?
Automating via creation and placement in PCB designs can be efficiently done using Python in KiCad. The given script automates the process of placing a via next to a specific pad on the PCB:

```python
import pcbnew
from pcbnew import wxPoint, wxPointMM

board = pcbnew.GetBoard()
pad = board.FindFootprintByReference('R2').FindPadByNumber('2').GetCenter()
via_location = wxPoint(pad.x + 1 * pcbnew.IU_PER_MM, pad.y)
add_track(pad, via_location)
via = pcbnew.PCB_VIA(board)
via.SetPosition(via_location)
via.SetDrill(int(0.4 * 1e6))
via.SetWidth(int(0.8 * 1e6))
board.Add(via)

pcbnew.Refresh()
```

This script is ideal for adding vias in specific locations, a crucial step in many PCB designs for creating electrical connections and improving signal integrity.