Quote Originally Posted by irving2008 View Post
OK, you might find that device a tad slow. You could try 75R instead of 330R and 1k5 instead of 4k7. Otherwise you may find counting is erratic. Alternatively the circuit attached should help...
Im happy to get what ever device you suggest if you think that one is going to be a tad slow, im just not sure which one to go for, just let me know and ill get it..