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ESP-EROOM-32

Posted at

エラー内容

最大1310720バイトのフラッシュメモリのうち、スケッチが236797バイト(18%)を使っています。
最大327680バイトのRAMのうち、グローバル変数が21048バイト(6%)を使っていて、ローカル変数で306632バイト使うことができます。
esptool.py v4.5.1
Serial port COM7
Connecting......................................

A fatal error occurred: Failed to connect to ESP32: Wrong boot mode detected (0x13)! The chip needs to be in download mode.
For troubleshooting steps visit: https://docs.espressif.com/projects/esptool/en/latest/troubleshooting.html
Failed uploading: uploading error: exit status 2

解決策
スケッチを書き込むときは、BOOTボタンを長押し(書き込み終わるまで)で書き込める。

補足
①USBケーブルとの相性がある。認識しないときは、ほかのUSBケーブルに変えると動くこともある。
②挙動がおかしいときはとりあえずいったんリセットする。

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