4 replies

Troubleshooting SPI Transmission Errors for Image Data on ESP32

still on Object Detection with

MicroPython

MicroPython

and

OV2640

OV2640

Camera Module Using

ESP-WROOM-32

ESP-WROOM-32

, how can i transmit the image over

SPI

SPI

i keep getting a persitent error

Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "spi.py", line 42, in write
OSError: SPI transmission error

Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "spi.py", line 42, in write
OSError: SPI transmission error

i have checked and ensure

SPI

SPI

pins are correctly connected and configured and verified the

SPI

SPI

baudrate and other settings are appropriate for the image size

Solution

Emm...try to lower the baudrate and sending the image data in smaller chunks maybe that would work