hey, I have the same problem.
in the example code it state that pin 13 should be blinking but it doesn't 
I have tried so many things i even used another module because i thought mine is not working.
what I do is: I put my finger between the transmitter and receiver, is that wrong?
also i connect the "S" to A0 and the middle pin to +5 v and the last one to GND.