Hello! I have a little problem with my project. I need to diplay text on my lcd 1602, with i2c and i can't do that. I read the older topics. I tried with several libraries. It works perfectly with Python code, but i need to display in Node-red . Can you help me? what is the solution? 
I don't know about the i2C nodes (someone else may be able to help you there) but if you have a python script that does what you want you can call that from an exec node in node-red.
thank you! it is a very good ideea!
There is a node.js package which may work for you. You can require the package in the globals section of your settings.js file and then global.get it in a function node.
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