ESP32 USB and Flashing Issues

Explore and resolve common usb and flashing issues in ESP32 development.

Troubleshooting Guides

Learn how to manually enter bootloader mode on ESP32 boards using the BOOT button when automatic...

Troubleshoot and resolve issues when the ESP32 upload process fails with a timeout error, preventing...

Investigate issues with ESP32 boards failing to upload code, rebooting unexpectedly, or not...

Troubleshoot issues caused by incorrect baud rate settings during ESP32 firmware uploads, leading to...

Identify and fix issues caused by using a power-only or poor-quality USB cable with your ESP32....

Fix cases where your ESP32 uploads code successfully but fails to start the sketch. Learn how to...

Understand and troubleshoot USB boot mode on ESP32-S2 and ESP32-S3 chips, which support native USB...

Troubleshoot missing serial port issues when your ESP32 is not recognized by your computer. Learn...

Diagnose and resolve issues caused by multiple processes, libraries, or peripherals trying to access...

Resolve issues where firmware uploads to the ESP32 start but fail partway through, often due to...

Investigate why the ESP32 fails to auto-reset during flashing, causing upload timeouts unless the...

Diagnose and fix problems related to USB-to-serial drivers on Windows, macOS, and Linux when your...

Our interactive troubleshooting wizard will guide you through common ESP32 problems and their solutions, step by step.

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