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Wemos D1 won't upload. time out waiting for packet header.

Q&A Forum › Category: ESP8266 › Wemos D1 won't upload. time out waiting for packet header.
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RICHARD HODGES asked 6 months ago

Hi again.
I recently acquired some Wemos D1 mini boards but can’t seem to upload to them with arduino ide.  Does the “timed out waiting for packet header” error. require a similar solution to that problem on the esp32. You have a tutorial on that.  Since the D1 does not have a “boot” button, what is the procedure to get the D1 into flash mode.
Thanks
Rick

Question Tags: D1 mini
2 Answers
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Steve Mercer answered 6 months ago

That error is usually a communication problem. I would try a different/better USB cable (That fixed the same type of error I was getting on one of my ESP32’s) or maybe a different port on your PC. Are you using a USB hub? Try a direct port. Are the drivers installed and working?
 
There are huge numbers of articles on the net regarding ESP8266 and that specific error. 

0 Vote Up Vote Down
RICHARD HODGES answered 6 months ago

Thanks Steve;
Yes, that issue resolved to a bad USB cable. Just hadn’t thought of it.
Rick

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