MCP23017 IC - 16-Bit Input/Output Expander With I2C Interface IC for Electronics at Rs 199/unit in Bengaluru
MCP23S17 Bidirektionale 16 Bit I/O Expander SPI Serial Interface Schild Modul I2C Interface 10 MHz Max Hohe geschwindigkeit Bord|board module|board boardc c - AliExpress
MCP23017 I2C 16-bit Port Expander Breakout Board - Ten Pack — PMD Way