ESP32How to fix ESP32 HTTP server refusing connections / connect timeouts (lru_purge_enable)Categories: ESP32, C/C++Uli KöhlerUli Köhler2026-09-23 · 1 min readHow to serve static files from LittleFS on ESP32 with a wildcard GET handlerCategories: ESP32, C/C++Uli KöhlerUli Köhler2026-09-23 · 2 min readHow to implement a CORS preflight OPTIONS handler on ESP32 esp_http_serverCategories: ESP32, C/C++Uli KöhlerUli Köhler2026-09-23 · 2 min readHow to fix 'Access-Control-Allow-Origin' header contains multiple values '*, *' on ESP32 esp_http_serverCategories: ESP32, C/C++Uli KöhlerUli Köhler2026-09-23 · 2 min readHow to delete a file from ESP32 LittleFS over HTTP REST APICategories: ESP32, C/C++Uli KöhlerUli Köhler2026-09-23 · 1 min readHow to list files on ESP32 LittleFS over HTTP REST APICategories: ESP32, C/C++Uli KöhlerUli Köhler2026-09-23 · 2 min readHow to upload a file to ESP32 LittleFS over HTTP REST APICategories: ESP32, C/C++Uli KöhlerUli Köhler2026-09-23 · 2 min readHow to verify ESP32 LittleFS file uploads over HTTP using a CRC32 endpointCategories: ESP32, C/C++Uli KöhlerUli Köhler2026-09-23 · 2 min readHow to Recompute the ESP32 Firmware Image Checksum After Patching Bytes in the BinaryCategories: ESP32, PythonUli KöhlerUli Köhler2026-09-17 · 3 min readWhat's inside a ESP32-S3 module (X-ray)?Categories: ESP32Uli KöhlerUli Köhler2026-07-30 · 0 min read
