error code

can anyone please help me with this
error code
wemos_relay.ino:5:20: fatal error: switch.h: no such file directory
#include "switch.h"

Try with “#include <switch.h>”

You haven't provided enough information for us to help you. I presume you found this wemos_relay.ino somewhere on the Internet. Don't you think it might be helpful to post a link to it?

justinorourke:
wemos_relay.ino:5:20: fatal error: switch.h: no such file directory
#include "switch.h"

Looks like someone added to this sketch and you are missing the switch.h file that got added.