Go Down

Topic: error: espcomm_open failed (Read 30429 times) previous topic - next topic


i ran an example from the software on my esp8266 nodemcu v1.0 i also installed the drivers and just connected the module to the PC via micro USB cable. i selected the esp8266 for the example. and still getting the same error if anyone knows how to fix this please reply to this comment for the same.
thank you
Not a data micro USB cable; yours just charges.



i had this proble when i upload the scketch

warning: espcomm_sync failed
error: espcomm_open failed
error: espcomm_upload_mem failed
Une erreur est survenue lors du transfert du croquis


In my case trying again works many times.

Some other times closing the IDE and then opening it again helps.
But I also don't know why this happens.

Go Up