Integration node-red through IOTA.js library (https://github.com/iotaledger/iota.js/tree/chrysalis)
This package needs nodejs version 12 or latest. To check your NPM version use npm version or node --version. To update NPM use npm install -g npm and then npm install -g node
You can install node-red-contrib-iota-chrysalis from node-red Manage palette or if you prefer CLI, you can use this command:
npm install node-red-contrib-iota-chrysalis
There are samples flows, you can import in your node-red: https://github.com/Vruizvil/node-red-contrib-iota-chrysalis/tree/main/sample_flows/