In function 'void loop()': 17:6: error: expected ';' before 'digitalWrite' 23:5: error: expected ';' before 'digitalWrite' exit status 1

[sterretje]

@TomGeorge

You need to check ALL your else if... statements, they need { and } .

Not quite true but definitely advisable

@achilies018

else (digitalRead(13)==1)

An else does not use a condition.