1648037221 Publish time 2022-3-23 20:09:17

PiCar Pro fresh installation not works

Dear everyone,I prepare & install sd card according instructions and everything pass (rasbian 11). However, after reboot webServer does not start. When I start it manually a get following error:

pi@raspberrypi:~ $ sudo python3 //home/pi/adeept_picarpro/server/webServer.py
......................pause..........................
mpu6050 disconnected, ARM MODE ON
RuntimeError: module compiled against API version 0xe but this version of numpy is 0xd
Traceback (most recent call last):
File "//home/pi/adeept_picarpro/server/webServer.py", line 26, in
import app
File "/home/pi/adeept_picarpro/server/app.py", line 8, in
from camera_opencv import Camera
File "/home/pi/adeept_picarpro/server/camera_opencv.py", line 2, in
import cv2
File "/usr/local/lib/python3.9/dist-packages/cv2/init.py", line 5, in
from .cv2 import *
ImportError: numpy.core.multiarray failed to importThanks for any advice.

1648037221 Publish time 2022-3-24 20:33:28

fixed by sudo pip3 install opencv-contrib-python==3.4.3.18
sudo pip3 install opencv-python==3.4.11.45

Adeept_Devin Publish time 2022-5-5 16:29:34

It may be that the Raspberry Pi version compatibility problem causes the dependent library to fail to be installed successfully. Please download and install Raspberry Pi OS (Legacy).
Raspberry Pi OS (Legacy) download address: https://www.raspberrypi.com/software/operating-systems/
You need to find ”Raspberry Pi OS (Legacy)“ in the link and download the image file.

Raspberry Pi official description of the Raspberry Pi OS (Legacy):
https://www.raspberrypi.com/news/new-old-functionality-with-raspberry-pi-os-legacy/

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