rspbberypi,debian,ubuntuなら https://nodered.jp/docs/getting-started/raspberrypi より
bash <(curl -sL https://raw.githubusercontent.com/node-red/linux-installers/master/deb/update-nodejs-and-nodered)
.node-red/setting.js
// Customising the editor editorTheme: { projects: { // To enable the Projects feature, set this value to true //enabled: false enabled: true } }
image表示(jpegをBASE64にしたものを表示)
<img src="data:image/jpeg;base64,{{msg.payload}}" />
msg.payload = { "field1": "value1", "field2": "value2" }; return msg;