How to fix esp8266 error upload message arduino

Опубликовано: 20 Май 2018
на канале: Ronan Chardonneau
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How to fix the following error message on esp8266?
esp8266 warning: espcomm_sync failed error: espcomm_open failed error: espcomm_upload_mem failed error: espcomm_upload_mem failed.
I got crazy with this error message so I decided to go back to the basics, fix it once for all and made a tutorial about it. I really hope that this fix will help you. Cheers. Source:    • Easy way to program an ESP8266