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Sometimes we need extra Inputs or Outputs on a device, or for use with a project. […]
In a previous post, I have shown you how to use the MCP23017 16 Port I2C […]
Today I will show you another useful IO Expander chip, The MCP23017. This chip, although similar […]
Using a matrix keypad is a very easy way to add multiple control buttons to a […]
Today I will continue my series on I2C by showing you how to use multiple devices […]
In the first part of this series, I showed you how to extend the available output […]
There will come a time that you will run out of available input or output pins […]