How to monitor "gateway online"?

I don’t know how to cut out just the email alert part and remove my appkey and email login info.

It’s really easy, you just

  1. install node-red-contrib-ttn using the pallet manager tool and then place the ttn-uplink thingy and configure it with your appkey
  2. add a function block to add msg.topic to the object. This sets the email subject line.
  3. pass the output to a trigger function that sends nothing, waits five minutes and check the box to reset the trigger when another message arrives.
  4. then pass that to an email output (part of social) configured with your outbound/smtp mail settings

Then when nothing comes for five minutes, you’ll get only one email notifying you.

If this isn’t enough to get you through it, we can probably talk on the phone or something and I can walk you through it.