Hello, I’m using the TTN MQTT application. I’ve already connected to two applications, but I’m currently unable to connect a third using the Node-RED MQTT-in node. The console displays “failed to connect.” I’m using port 1883, so without TLS. Thank you for your help, Pierre
it’s resolved sometimes when you copy eu1.cloud.thethings.network:1883 there is a space a the beggining you have to remove!
A problem that severely frustrated a few of my students last year.. I really don’t understand why NodeRED doesn’t trim these spaces. Glad you figured it out 
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