PCF8574T IO Expansion Board | Modules | Expansion

This is PCF8574T IO Expansion Board from the category Modules | Expansion.

Functions: - You can extend 8 I/O by using two of this I/O extended module, which is used for the I2C interface.

- Cascading is supported, and a maximum of 8 modules can be used to extend 64 I/O simultaneously.

- By setting a toggle switch, the address can be altered.

- Make output to the P0-P7 port every two seconds. High level, Low level, and turn on three toggle switches; the modules address is 0x27.

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