MCP23017 16 Bit E/A Port Expander Module I2C Schnittstelle zu für
11,77 €
16 way I/O extension module of the 12C interface, adopts MCP23017 chip of MicroChip. MCP23017 is a high-speed IIC interface. It supports the IIC frequency of 100KHz, 400KHz and 1.7MHz. So 8 modules can be connected through two IIC buses to achieve up to 128 IO extensions.
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