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by BLCKPSTV
Sun Oct 27, 2024 3:50 pm
Forum: ESP32 Arduino
Topic: A fatal error occurred: Unable to verify flash chip connection (No serial data received.).
Replies: 0
Views: 1785

A fatal error occurred: Unable to verify flash chip connection (No serial data received.).

I've used this ESP32 for two weeks without any uploading issues. Its a Wemos S3 mini and I'm uploading my code with Arduino Cloud Editor. This setup worked for weeks.

Suddenly I get this error, when trying to upload my code:

/usr/local/bin/arduino-cli compile --fqbn esp32:esp32:lolin_s3_mini ...

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