Blynk doesn't stay connected to Particle Photon

All your code in the void loop(), trying to run thousands of times a second, would be a start :wink: The timer you need in your case is a Partical specific one.

http://help.blynk.cc/getting-started-library-auth-token-code-examples/blynk-basics/how-to-control-anything-with-blynk-app

and

http://help.blynk.cc/getting-started-library-auth-token-code-examples/blynk-basics/how-to-display-any-sensor-data-in-blynk-app

As for the rest…

Searching this forum for reconnection options using the various command in the Docs…

And