Got this board from Taobao. Follow https://randomnerdtutorials.com/installing-the-esp32-board-in-arduino-ide-windows-instructions.

schematic：https://pan.baidu.com/s/1sNCK3Z4ZXfziKoF-ZYDMiw  Code：pxc4
doc：https://pan.baidu.com/s/1SJFlgyIenaM4-TfmT1eLtQ  Code：NICE  or download here

If you failed to run the code for this. Hold “Boot” button while uploading the code

If you meet “the port doesn’t exist”, do:

$ sudo usermod -a -G dialout peter
$ sudo chmod a+rw /dev/ttyUSB0