https://blog.margrop.net/en/tag/node-red/ Recent content in Node-Red on Margrop Blog Hugo -- gohugo.io en-US Sat, 28 Aug 2021 14:40:50 +0800 https://blog.margrop.net/en/post/node-red-enable-version-control/ Sat, 28 Aug 2021 14:40:50 +0800 https://blog.margrop.net/en/post/node-red-enable-version-control/ <h1 id="problem-description">Problem Description</h1> <p>I used to back up Node-RED flows by copying <code>~/.node-red/flows_xxx.json</code> and keeping multiple versions. That was annoying, and even comparing unformatted JSON with tools like Beyond Compare was a mess.</p> <h1 id="solution-pretty-print-json">Solution: Pretty-Print JSON</h1> <p>I found that by changing the setting in <code>~/.node-red/settings.js</code>, the <code>flows_xxx.json</code> file can be saved in a pretty-printed format.</p> https://blog.margrop.net/en/post/how-to-install-nodered-with-npm/ Mon, 01 Feb 2021 09:57:07 +0800 https://blog.margrop.net/en/post/how-to-install-nodered-with-npm/ <h1 id="what-is-node-red">What Is <code>Node-RED</code></h1> <p><code>Node-RED</code> is a low-code/no-code programming tool for connecting <code>hardware devices</code>, <code>APIs</code>, and <code>online services</code> in a novel and interesting way. It is especially suitable for <code>smart home</code> scenarios.</p> <p><code>Node-RED</code> provides a browser-based flow editor, making it easy to connect various nodes in the panel. You can then deploy the flow to runtime with a single click.</p>