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

Q&A Forum › Category: ESP8266 › Timed out waiting for packet header esptool.FatalError: Failed to connect to ESP8266:
0 Vote Up Vote Down
Timothy Knapp asked 4 years ago

trying to load the MQTT sample sketch from the below tutorial.  
https://randomnerdtutorials.com/esp8266-and-node-red-with-mqtt/
the sketch compiles, but upon upload I get the following error:
Timed out waiting for packet header esptool.FatalError: Failed to connect to ESP8266:
I’m using:
A  Windows 10 machine, running Arduino IDE 1.8.8
Trying to load it to A nodemcu 0.9.
Thanks in advance to anyone who can assist!

Question Tags: nodemcu 0.9
1 Answers
0 Vote Up Vote Down
Timothy Knapp answered 3 years ago

Hey I figured it out!  The problem was a bad USB cable!

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