Interface Selection: For SPI or IIC interface via R15, R17, R13, please choose
This module has no default SPI interface, R17 soldered R15, R13. If you need to change R17 to R15 to R17 above, you should use R13 solder 0 ohm or solder directly with R13 2 pads.
The seventh pin CS signal is guided by default. If not required, you can turn on the R18 and the CS signal is ground directly. It is very convenient to operate and adapts to the different needs of more customers.