Boards in 2 GitHub repositories, designed in KiCad, that use the PCF8575CDB by Texas Instruments (-40℃~+85℃ 16 4.5V~5.5V 400kHz I2C、SMBus Interrupt Output Open-drain Reset function、Cascading and address extension、Built-in LED driver SSOP-24-208mil I/O Expanders ROHS). See how each wires it, with its parts, size, README and files; the PCF8575CDB’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
edgranzella/PTuP_2026_displayLCD_8Zonas_4Salidas
Este repositorio contiene el diseño electrónico y ruteado de PCB avanzado desarrollado en KiCad para el módulo PTuP 2026.