crazynight
Senior Member
As some of you may know I am building a timing system for my dogs flyball team, the day job has got in the way but have managed to make some progress.
The lights are now sorted.
As Texasclodhopper said at the beginning the human/k9 interface is proving problematic, I have had to remove all the original circuitry which has resulted in the only freed from the they gates being 12v. the issue I have is how to connect the 12v to a picaxe input pin (object there 0v object not there 12v)
I have tried a voltage divider which worked fine on the breadboard for 1 input but once I wired more then one divider up it stopped working.
1 - I have done something wrong with my circuit build?
2 - You can not have more then 1 divider in a circuit?
would a LM7805 be better than a voltage divider?
Sorry for multiple questions in one thread but they are all linked.
The lights are now sorted.
As Texasclodhopper said at the beginning the human/k9 interface is proving problematic, I have had to remove all the original circuitry which has resulted in the only freed from the they gates being 12v. the issue I have is how to connect the 12v to a picaxe input pin (object there 0v object not there 12v)
I have tried a voltage divider which worked fine on the breadboard for 1 input but once I wired more then one divider up it stopped working.
1 - I have done something wrong with my circuit build?
2 - You can not have more then 1 divider in a circuit?
would a LM7805 be better than a voltage divider?
Sorry for multiple questions in one thread but they are all linked.