I've just downloaded the rStepper library and put the folder and .xml file in the librarys folder. I've run B4R and the library appears and I've selected it.
However when I try to compile it comes back with an error message:
Compiling (NodeMCU 1.0 (ESP-12E Module)) Error
In file included from D:\Projects\ESP8266 Test\B4R Files\Objects\src\B4RDefines.h:33,
from D:\Projects\ESP8266 Test\B4R Files\Objects\src\src.ino:1:
D:\Projects\ESP8266 Test\B4R Files\Objects\src\rStepper.h:3:10: fatal error: Stepper.h: No such file or directory
3 | #include <Stepper.h>
| ^~~~~~~~~~~
compilation terminated.
Error during build: exit status 1