[sdiy] Inifinity encoders

Csaba Zvekan czvekan at gmail.com
Wed Jul 9 20:26:16 CEST 2008


Ohh yeah .. I forgot about those the MPC23S17 (SPI) and the MCP23017  
(I2C) Version. I even got some those laying around.
But with the 74HCT165 costs are so much cheaper. :)

Thanks Mark

On Jul 9, 2008, at 5:28 PM, Mark Rivera wrote:

>
> Another option for gaining more i/o is MCP23S17 via SPI-port or SPI- 
> bitbang. There are a number of convenient features, that can be  
> utilized by the relevant init params, which help to eliminate  
> external components and preserve real estate.
>
> Mark
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