I have my USB-6501 plugged in, and without running a program, I have +5 V at a bunch of random pins. Even stranger, if I unplug it and then plug it back in, the pins that I have voltage at will change. Right now, when measured with the negative probe at ground, I get +5 V at pins 0.0 (fluctuating wildly), 0.2, 0.3, 0.6, 0.7, and 2.7, but not at either of the +5 V supply pins. Anyone have any idea what that's all about? I know I am communicating with the unit because, although I can't seem to control what pins I get voltage at, I can change that voltage between +3.3 V and +5 V
I'm also trying to see if there's a way (for digital output) to set the signal frequency, pulse length, and time between pulses?