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  • Has anyone tried to setInterval() to poll a server every 20 seconds or so and seen the following error after about 4 polls?

    ERROR: Socket error -1 while sending
    Uncaught Error: CIPSTART failed
    at line 1 col 207
    ...d 0,Error("CIPSTART failed");}

  • That looks pretty much like what I was seeing. Only it took ~300 polls for it to happen, most of the time. Sometimes it also happened after a few tries.

    Interesting in that context: I was now able to use the ESP 8266 without the Espruino. Turned out that my old trusted Bub II FTDI board does not work with it. It works with pretty much everything else, but according to someone else a 1 MOhm resistor is keeping the ESP to work with it. I now use a Teensy as a passthrough serial adapter. With that I was able to use the AT commands and also update the firmware.

    I then installed NodeMCU on it and did the same test. Same result :-(. After about 300 requests it got stuck...

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