ESP8266上传失败

快乐试着

求大神指导

之前上传成功了，后来再次上传就出现错误

esptool.py v3.0

Serial port COM4

Connecting........_____....._____....._____....._____....._____....._____.....____Traceback (most recent call last):

  File "C:\Users\chatu\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\3.0.2/tools/upload.py", line 66, in <module>

    esptool.main(cmdline)

  File "C:/Users/chatu/AppData/Local/Arduino15/packages/esp8266/hardware/esp8266/3.0.2/tools/esptool\esptool.py", line 3552, in main

    esp.connect(args.before, args.connect_attempts)

  File "C:/Users/chatu/AppData/Local/Arduino15/packages/esp8266/hardware/esp8266/3.0.2/tools/esptool\esptool.py", line 529, in connect

    raise FatalError('Failed to connect to %s: %s' % (self.CHIP_NAME, last_error))

esptool.FatalError: Failed to connect to ESP8266: Timed out waiting for packet header

esptool.FatalError: Failed to connect to ESP8266: Timed out waiting for packet header



_


_

奈何col

可能是串口不稳定过，尝试降低上传程序的波特率