Boards in 3 GitHub repositories, designed in KiCad, that use the PCA9518PW by NXP Semiconductors (-40℃~+85℃ 3V~3.6V Enable/shutdown function I2C TSSOP-20 Signal Buffers, Repeaters, Splitters ROHS). See how each wires it, with its parts, size, README and files; the PCA9518PW’s symbol, footprint and pinout are on its own page.
adamatom/chewtoy
This is a KiCad project for a i2c and GPIO expander cape for the BeagleBone Black. It provides eight expansion ports, with each port offering access to the common i2c bus as well as two dedicated GPIO pins
sarahemm/cern-mimic-panel
LED display showing the current status of the CERN accelerator complex