Tag: MCP23008

Using Node Red to Control the MCP23008

Relay control simplified If you haven’t already, make sure to go through the setup tutorial. Once you’ve finished that we’re ready to go! The MCP23008 is a Integrated port expander that controls eight I/O channels through the I2C bus. This is one of our favorite chips to get started with, it is simple to use, and provides some great interactive feedback through the I/O so you can see your project working very quickly. Naturally, when we decided to start building libraries for Node-Red, this was the first product we grabbed. We manufacture dozens of boards that utilize this chip, you can

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