Switching power with the Arduino over a I2C connected PCF8574
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Version vom 16. Juli 2010, 22:15 Uhr von Dl8rds (Diskussion | Beiträge)
1 Goal
This little project wants do demonstrate how it is possible to switch a great number of lines with one single Arduino controller. It uses the PCF8574P chip. It is actually a reimplementation of this project:
2 References
- http://www.arduino.cc/en/Reference/Wire The WIRING "Wire" library
- http://www.neufeld.newton.ks.us/electronics/?p=241 A project in which the workings of the I2C protocol are well described
- www.nxp.com/documents/data_sheet/PCF8574.pdf The Datasheet for the PCF8574