Navíc teď při zkoušce jen v IDE mi to hlásí :
sketch_feb20a.ino: In function 'void setup()':
sketch_feb20a.ino:13:18: error: too few arguments to function 'void lwtx_setup(int, byte, byte, int)'
In file included from sketch_feb20a.ino:1:0:
C:\Program Files (x86)\Arduino\libraries\LwTx/LwTx.h:37:13: note: declared here
extern void lwtx_setup(int pin, byte repeats, byte invert, int uSec);