Okay, so it does what it needs? If so, use the last (as it's dead easy to extend to 4, 5, 6 etc).
Still don't know what I did wrong earlier but I'm glad it works now. 
But note again, the frequency of pin 5 and 6 differs from 9, 10, 11 and 3!
Okay, so it does what it needs? If so, use the last (as it's dead easy to extend to 4, 5, 6 etc).
Still don't know what I did wrong earlier but I'm glad it works now.
But note again, the frequency of pin 5 and 6 differs from 9, 10, 11 and 3!