Boards in 2 GitHub repositories, designed in KiCad, that use the PJ-079BH by CUI. See how each wires it, with its parts, size, README and files; the PJ-079BH’s symbol, footprint and pinout are on its own page.
kenbrinkman/af4-poe-trigger
DIY replacement for the inD connect dongle: ESPHome on an ESP32-POE-ISO triggers the aF4 frozen-food feeder's 0-10V port, scheduled from Home Assistant. Includes wiring, BOM, and printable enclosure
MaxClerkwell/kicad-workshop
KiCon 2026 workshop: KiCad 10 Professional Workflows — staged course files for the Acme USB Hub design
kenbrinkman/af4-poe-trigger
DIY replacement for the inD connect dongle: ESPHome on an ESP32-POE-ISO triggers the aF4 frozen-food feeder's 0-10V port, scheduled from Home Assistant. Includes wiring, BOM, and printable enclosure
MaxClerkwell/kicad-workshop
KiCon 2026 workshop: KiCad 10 Professional Workflows — staged course files for the Acme USB Hub design