This Node-Red used the MQTT connection to controll TJ based on tweets and their Tones installation for of mqtt WIoT controller program is requisite https://github.com/markusvankempen/TJBotMQTT as well as Watson Tone Analyser and Twitter Service in Bluemix https://www.ibm.com/watson/developercloud/tone-analyzer.html https://console.bluemix.net/docs/services/Twitter/index.html