1. Pick a component from the left toolbar

2. Click two holes to place (3 for transistors/switches)

3. Left-click a component to select & edit

4. Right-click + hold to drag/move components & markers

5. Drag pot knobs directly on the board to adjust

6. Delete/Backspace removes selected item

7. Place Input + Output markers, hit Simulate

Perfboard: no internal connections. All wiring is manual.