Boards using the PCF8574N

Boards in 2 GitHub repositories, designed in KiCad, that use the PCF8574N by Texas Instruments (-40℃~+85℃ 100kHz 2.5V~6V 2.5uA 25mA 30uA 8 I2C Interrupt Output Push-Pull Reset function、Cascading and address extension、Built-in LED driver PDIP-16 I/O Expanders ROHS). See how each wires it, with its parts, size, README and files; the PCF8574N’s symbol, footprint and pinout are on its own page.