How to use
1 Add components from left
2 Drag to reposition
3 Double-click a component to rename
4 Use Connect then click two components to draw a line
5 Select + press Del to remove
6 Print PDF uses browser “Save as PDF” and prints the title
Navigation
Pan: drag empty area
Zoom: mouse wheel / trackpad
Touch: pinch zoom supported on most browsers
Note
This is a “PID-style” editor for electrical connection diagrams (SLD). You can extend the symbol list by editing COMPONENTS inside the HTML.