EZ-b require at least a solid 6v to operate properly, if it detect less than that , it will turn on but limited, bluetooth will be off. red wire ( v-out) along with any one of the brown wires, the last one seem to produce an higher voltage, really don't see why but it does.

I am currently running the latest version of ARC and it is constantly freezing my pc when try to activate the Robosapien examples along with the camera. Are you guys having this issued?

Sorry been detained away from my computer for awhile, I'm not having any pc freeze-up problems and did get the bluetooth to work with fresh set of batteries, just for not very long though before there down enough for the bluetooth to stop working again, that's because there are only 4 batteries in the sapien for a total of 6V.

Find yourself something like this:

solarbotics.com/product/50878/

Just feed directly to EZ-B.