ps2000aOpenUnit() PICO_OK = 0
ps2000aOpenUnit() PICO_OK = 0
The device I use is PICo 2000 Series 2408B. After downloading and installing the corresponding SDK, I tried to run the Python PS2000A case on the official website, but all the PICo_OK is 0. During the program running, the LED light is red. What needs to be done.