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Control any devices using Raspberry PI and PCF8574

This guide shows you how to use PCF8574 with Raspberry PI. The PCF8574 is a 8 bits I/O port expander that uses the I2C bus

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http://geek.adachsoft.com/home/article/id/26/n/Control-any-devices-using-Raspberry-PI-and-PCF8574-relay-module/refid/hd

This guide shows you how to use PCF8574 with Raspberry PI. The PCF8574 is a 8 bits I/O port expander that uses the I2C bus. To the PCF8574 I will connect the relay module, this will allow control of the electrical device from the Raspberry PI. I will also show an example how to write a program to handle PCF8574 in C++ on Linux.

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