I've done some research and it appears that the best solution for my project is to use some form of an inverter IC...
What i'm trying to do is use more than 1 IR receiver on 1 input pin.
As i've said in other posts i'm a bit of an electronics noob (but learning quickly and enjoying it!).
The IR RX seems to drop low when it detects anything which makes it harder to connect multiple sensors together and 'drop to low' when any of them detect an IR signal..
So my thoughts were to somehow invert the lows to highs, then join the highs with diodes and then detect 'highs' in my code rather than lows.
Does this sound like a good idea? also, the hard part for me is finding an IC that will do this , I only really need 4 inverted in/out max, and was looking here http://www.bitsbox.co.uk/semis.html at the 74xx range (or 4000?), the problem is i'm unsure of the terminology, do I need hex inverter? (6?) 74HC04 looks ok to my noobness?
I'm using no more than 5v.
If anybody gets time to have a quick look that would be awesome, if not I think I can manage, just after a little reassurance.
I did see that I can use some resistors and a transistor to do the same thing, but it seems neater to use a premade IC??
Thanks,
Leon
What i'm trying to do is use more than 1 IR receiver on 1 input pin.
As i've said in other posts i'm a bit of an electronics noob (but learning quickly and enjoying it!).
The IR RX seems to drop low when it detects anything which makes it harder to connect multiple sensors together and 'drop to low' when any of them detect an IR signal..
So my thoughts were to somehow invert the lows to highs, then join the highs with diodes and then detect 'highs' in my code rather than lows.
Does this sound like a good idea? also, the hard part for me is finding an IC that will do this , I only really need 4 inverted in/out max, and was looking here http://www.bitsbox.co.uk/semis.html at the 74xx range (or 4000?), the problem is i'm unsure of the terminology, do I need hex inverter? (6?) 74HC04 looks ok to my noobness?
I'm using no more than 5v.
If anybody gets time to have a quick look that would be awesome, if not I think I can manage, just after a little reassurance.
I did see that I can use some resistors and a transistor to do the same thing, but it seems neater to use a premade IC??
Thanks,
Leon