ok the LDR is wired to the ADC pin, analogRead(A0); works fine, giving 0-1023 readings.
the button is not a reset/flash button, but an input, its pulled high, so when you press it it returns 0, releasing returns 1
the pins seem to be:
LDR = A0;
RED = 15;
GREEN = 12;
BLUE = 13;
BUTTON = 4...