Waveshare MCP23017 IO Expansion Board, Expands 16 I/O Pins
Designer: HoMEdemic™
$17.45
OverviewThe MCP23017 IO Expansion Board expands 2 signal pins as 16 I/O pins based on the I2C bus, up to 8 MCP23017 IO Expansion Board can be used at the same time, providing up to 128 I/O pins, it is...