Boards in 3 GitHub repositories, designed in KiCad, that use the AP2012SGC by Kingbright (- LED Indication - Discrete ROHS). See how each wires it, with its parts, size, README and files; the AP2012SGC’s symbol, footprint and pinout are on its own page.
opensimgear/device-gateway
Work-in-progress STM32 Cyphal/CAN-to-USB gateway with automatic input/output enrollment, ordered HID controllers, guarded configuration/leased action/event routing and native/Pico debug simulation.
opensimgear/device-template
Work-in-progress STM32G0B1 input/output module with USB HID or CDC-only profiles, Cyphal/CAN, persistent settings, ordered panel events, leased LED/display actions, KiCad hardware and native simulation.