ESP8266 Forum • get notification message if device goes offline - Everything ESP8266

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Re: get notification message if device goes offline

Posted: Mon May 29, 2017 6:48 pm

by danluanodemcu

its it possible to have a test frequency of less than 10 minutes? say 1 minute or 30 seconds?

Re: get notification message if device goes offline

Posted: Mon May 29, 2017 8:11 pm

by rudy

MQTT has last will and testament option.

http://www.hivemq.com/blog/mqtt-essenti ... -testament

Re: get notification message if device goes offline

Posted: Tue May 30, 2017 4:31 am

by Cosmic Mac

danluanodemcu wrote:its it possible to have a test frequency of less than 10 minutes? say 1 minute or 30 seconds?

Unfortunately not (at least with free license).
Options are 10, 30 or 60mn.

Re: get notification message if device goes offline

Posted: Tue May 30, 2017 1:33 pm

by Ruandv

There is a Blynk Notification widget that you can use

http://docs.blynk.cc/#widgets-notifications-push-notifications