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Published on 23rd February 2012 19:16
A standard 74HC595 shift register is an excellent choice if only output port expansion is required, however its sometimes desirable to have inputs as well, which is where a dedicated port expander comes into its own. There are a whole range of port expanders available from virtually every semiconductor manufacturer, however, the MCP23S17 device is particularly popular at the time of writing this article.
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Multiple functions by a single switch
Thread Starter: amodHi, How can I use multiple function by a single switch.I want to use 4 functions by a single switch.
See_Mos Today, 12:13