Help with this error

sketch_dec25a:33: error: expected unqualified-id before 'if'

if (LDR=0) {

Your code should be if (LDR==0) { .

We use one = sign to assign a value to a variable (ex: LDR = 10;) and two equals signs to denote a comparison between a variable and a value (such as in the "if" statement).

sketch_dec25a:33: error: expected unqualified-id before 'if'

Ponder the meaning of the word I have highlighted.

Pete

el_supremo:
Ponder the meaning of the word I have highlighted.

+1

...R