CODEWITHSUNDEEP
arduinoesp8266
Peter Sun
Peter Sun

Reputation: 1845

WeMos D1 Errors

I have been trying to get my WeMos D1 to work. I spent all day trying to get Arduino IDE to compile. I finally get it to, but when I try to upload it to my WeMos D1 it gives me these errors... 

error: Failed to open COM3
error: espcomm_open failed
error: espcomm_upload_mem failed

The WeMos is connected to COM3 and the drivers are installed. I am not sure what to do next.

enter image description here

Upvotes: 0

Views: 1788

Answers (2)

genetipetz
genetipetz

Reputation: 11

I had to go to Tools-->Port--> COM6 (could be something else for you depending on how your USB ports are defined). When I selected a port from the dropdown, which wasn't COM3, it then uploaded the sketch and all was good (provided your code actually works!)

Upvotes: 1

RubenVot
RubenVot

Reputation: 186

Try using platformio ide. It has very good support for wemos.

Upvotes: 0

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