ljcox said:
Sean,
You need the 74HC05.
OOPS, I will look for those when I get home.
I posted the revised circuits on 26 Feb. I retained the 74LS07 for the computer interface suggested by Eric, but changed the Tx driver ICs to 74HC05. I suggest you print these as they are the current reference. I know you don't want to use the multiplexer, but the other 3 are still relevant.
Do you think I need to use different thicknesses of traces on this board? I was thinking that since everything is basically the same voltage, I could use the same width on all of the traces.
See below
I have solved the battery life issue. On a recent trip to the local radio shack, I found several RC car batteries in the clearance pile. I now have 10 9.6V rechargeable batteries. I will just source a connector to match the one on the battery and take a few with me when I go to the shoot site.
Sean