saving . . . saved Error while uploading has been deleted. Error while uploading has been hidden .
Error while uploading
My program compiled successfully but while uploading it gives an error 
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

I am using Windows 10

Arduino Wireless-Connectivity-to-Arduino 10-11 min 0-10 sec 26-05-20, 9:31 a.m. Sumit6135880


The error is likely to because of wrong connection.
Perform the experiment as shown in the tutorial with all the necessary changes and with the use of push button.
26-05-20, 10:59 a.m. Pratikjb11
Again error while uploading the program

raise FatalError('Invalid head of packet (0x%s)' % hexify(b))
esp tool.FatalError: Invalid head of packet (0x00)
esptool.FatalError: Invalid head of packet (0x00)
26-05-20, 12:39 p.m. Sumit6135880

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