//All guides

All ESP32 Troubleshooting Guides

Find solutions to common issues in ESP32 development - covering connectivity, power, programming, and more.

ESP32 USB Boot Mode (ESP32-S2/S3) image

ESP32 USB Boot Mode (ESP32-S2/S3)

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

ESP32 USB Hub Power Issues image

ESP32 USB Hub Power Issues

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

ESP32 Serial Port Conflict or Contention image

ESP32 Serial Port Conflict or Contention

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

ESP32 Upload Interrupted or Aborted Midway image

ESP32 Upload Interrupted or Aborted Midway

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

ESP32 Auto-Reset Failure During Upload image

ESP32 Auto-Reset Failure During Upload

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

ESP32 Driver Issues image

ESP32 Driver Issues

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

ESP32 Port Not Detected image

ESP32 Port Not Detected

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

ESP32 Voltage Divider Misuse on GPIO Pins image

ESP32 Voltage Divider Misuse on GPIO Pins

Diagnose issues caused by incorrectly using voltage dividers on ESP32 input or bootstrapping pins,...

ESP32 Power Path Conflict image

ESP32 Power Path Conflict

Prevent resets and instability caused by powering high-current peripherals from the same supply as...