2 layers10 × 34 mm

Boards in 2 GitHub repositories, designed in KiCad, that use the ITR20403 by Everlight Electronics (20mA 3mm DIP-4 Photointerrupters - Slot Type - Transistor Output ROHS). See how each wires it, with its parts, size, README and files; the ITR20403’s symbol, footprint and pinout are on its own page.

