i was trying to transcribe a wav file generated by esp32 connected to an inmp441, then upload it to a python flask server, transcribe it using local whisper and return it to the esp32 to show it on the serial printer. my problem is that i was unable to upload the wav file, http error 400. i tried to…

Esp32 error 400 upload spiffs wav file to web server using http post

gromero77 June 26, 2025, 11:29am 12

i will try your sugestions and get back.

Topic		Replies	Views
post request extremely slow Programming	24	4488	May 6, 2021
Sending video(.avi) and audio (.wav) files with arduino script from ESP32S3 via http post multipart/form-data to server Programming	18	1372	September 18, 2024
How to play Raw audio? Audio	39	32291	May 6, 2021
Failed Upload File with Http Post using ESP8266 from SD Programming	19	52911	May 5, 2021
uploading wav file problem Audio	8	1887	May 6, 2021