https://nodered.org/docs/creating-nodes/first-node
node-red-contrib-example-lower-case
기본 모듈의 테스트 코드 이다.
[{"id":"5dd4dbee.b6af04","type":"tab","label":"Flow 2","disabled":false,"info":""},{"id":"2b210f2c.a7e2","type":"function","z":"5dd4dbee.b6af04","name":"","func":"msg.payload = \"MESSAGE\";\nreturn msg;","outputs":1,"noerr":0,"x":470,"y":220,"wires":[["b67d5083.05116","74d52521.749e8c"]]},{"id":"dc01e356.0c17e","type":"inject","z":"5dd4dbee.b6af04","name":"","topic":"","payload":"","payloadType":"str","repeat":"3","crontab":"","once":false,"onceDelay":0.1,"x":330,"y":120,"wires":[["2b210f2c.a7e2"]]},{"id":"b67d5083.05116","type":"lower-case","z":"5dd4dbee.b6af04","name":"AA","x":670,"y":440,"wires":[["127dfd05.5979b3"]]},{"id":"127dfd05.5979b3","type":"debug","z":"5dd4dbee.b6af04","name":"","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"false","x":920,"y":140,"wires":[]},{"id":"74d52521.749e8c","type":"debug","z":"5dd4dbee.b6af04","name":"","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"false","x":860,"y":80,"wires":[]}]