if (hour() >= 9 && hour() =< 21)
There are defined comparison operators. You can't just make up your own and hope they are understood. It <=, not =<.
Where does setup() end? You are missing at least one }.
Make that two.
if (hour() >= 9 && hour() =< 21)
There are defined comparison operators. You can't just make up your own and hope they are understood. It <=, not =<.
Where does setup() end? You are missing at least one }.
Make that two.