The code on that website worked for me just fine. So, I guess you might have some issues with your connections. Please post a picture of your connections so that we can have a look at your wires and see if there's something wrong..
The code on that website worked for me just fine. So, I guess you might have some issues with your connections. Please post a picture of your connections so that we can have a look at your wires and see if there's something wrong..