rpi_ws281x 在x3上的使用问题。在树莓派上能够使用的python库，在x3平台上使用不了，使用的时候总是报错。错误如下：
sunrise@ubuntu:~/raspi/armpi_fpv_demo/RGB$ sudo python3 RGB_Lighten.py
Traceback (most recent call last):
File “RGB_Lighten.py”, line 2, in
import Board
File “/home/sunrise/raspi/armpi_fpv_demo/RGB/Board.py”, line 39, in
RGB.begin()
File “/usr/local/lib/python3.8/dist-packages/rpi_ws281x/rpi_ws281x.py”, line 143, in begin
raise RuntimeError(‘ws2811_init failed with code {0} ({1})’.format(resp, str_resp))
RuntimeError: ws2811_init failed with code -3 (Hardware revision is not supported)
Segmentation fault