Good time of a day to everyone !Could somebody help me to resolved that trouble. In device manager on to my pc COM4 is CP210x USBto UART even I trying to upload example project arduino-blink , i see that error:
Building in release mode Building .pio\build\esp32dev\firmware.bin Retrieving maximum program size .pio\build\esp32dev\firmware.elf Checking size .pio\build\esp32dev\firmware.elf Advanced Memory Usage is available via "PlatformIO Home > Project Inspect" RAM: [ ] 4.7% (used 15348 bytes from 327680 bytes) Flash: [== ] 16.1% (used 210929 bytes from 1310720 bytes) Traceback (most recent call last): File "C:\Users\vikto.platformio\packages\tool-esptoolpy\esptool.py", line 39, in if "serialization" in serial.**doc** and "deserialization" in serial.**doc**: NameError: name 'serial' is not defined *** [.pio\build\esp32dev\firmware.bin] Error 1 ================================================================== [FAILED] Took 4.77 seconds ================================================================== The terminal process "C:\Users\vikto.platformio\penv\Scripts\pio.exe 'run'" terminated with exit code: 1. Terminal will be reused by tasks, press any key to close it.