Make and run a library

Thanks alot Nick ,Yes I'm using UNO and attached 2 sketches .

There is no error with the sketches , only strange results on serial monitor I cant copy like below

þþþþþþþþ

I cant find further information or data about L_TERMS, I will be grateful if you can help me with that also.

sketch_oct10a.ino (1.86 KB)

sketch_oct11a.ino (1.87 KB)