A fatal esptool.py error occurred: Cannot configure port, something went wrong. Original message: PermissionError(13, 'A dev...

#arduino #ino

I have this error when upload code in Arduino IDE to ESP8266

. Variables and constants in RAM (global, static), used 28104 / 80192 bytes (35%)
║   SEGMENT  BYTES    DESCRIPTION
╠══ DATA     1496     initialized variables
╠══ RODATA   920      constants       
╚══ BSS      25688    zeroed variables
. Instruction RAM (IRAM_ATTR, ICACHE_RAM_ATTR), used 59667 / 65536 bytes (91%)
║   SEGMENT  BYTES    DESCRIPTION
╠══ ICACHE   32768    reserved space for flash instruction cache
╚══ IRAM     26899    code in IRAM    
. Code in flash (default, ICACHE_FLASH_ATTR), used 232148 / 1048576 bytes (22%)
║   SEGMENT  BYTES    DESCRIPTION
╚══ IROM     232148   code in flash   
esptool.py v3.0
Serial port COM8

A fatal esptool.py error occurred: Cannot configure port, something went wrong. Original message: PermissionError(13, 'A device attached to the system is not functioning.', None, 31)

I solved with install CH340 Driver.

Download CH340 driver from sparkfun.com
Install driver, I use CH340SER.EXE file (just next and next and finish)

reference

sparkfun.com

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