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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Node Red and Ncd.io Products

Build In the spirit of making hardware more accessible, we’ve had our noses to the grindstone building new functionality for our favorite IoT UI, Node-Red. If you’ve never heard of it, check it out here. If you haven’t used this amazing tool yet, get ready for a treat! Node-Red is a flow-based programming tool that lends itself extremely well to IoT, and comes preloaded with enough functionality to play with that you can easily burn an entire day experimenting. If you are already familiar with Node-Red and how to get it up and running, you can skip this tutorial, just know that

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