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[pythoncoder]

I struggled and failed to achieve a reliable MQTT connection. By "reliable" I mean a link capable of staying running for tens of hours without locking up or rebooting. This in a room directly below the AP, separated by a wooden floor. In the same room a laptop gets heavy use including downloading many GB of data per week without incident, although at the times when I tested the ESP8266 it had almost exclusive use of the WiFi. For what it's worth I live in a small town where 2.4GHz WiFi works well. Much better, I imagine, than in big cities.

There is circumstantial evidence that electromagnetic interference caused some of the disruption, but there is no doubt in my mind that the ESP8266/MicroPython is less robust than other devices.

Has the new firmware/toolchain delivered any improvement in this respect?

[jms]

Now I'm on earlier version of things (by some weeks) with some of my own code glued on which ought not to matter but when I run the client.py it connects once, transfers OK and subsequently doesn't.

I feel that there's some internal resource that's obviously not being released.

It also shows why UDP is soo much better on this device if you can use it.

Jon