BAM and laptop USB power
Hi Aaron,
Being a hobbyist, I don't have access to a power meter but I can tell you the power difference is striking. Using the laptop with my high power (~5.5 watts) projector is about as bright as my 1 watt projector. Not only is the brightness very noticeable, but I can see the difference in burning power (using the desktop the projector can easily and quickly burn through a white greet card, and with the laptop the beam is barely even warm though if you hold your hand in the beam for an extended time it will eventually get hot.) Obviously this is a very rough "ghetto" means of estimating power, but I think we can agree that this is evidence of substantially different power outputs.
I did already check the color settings in the projector setup screen and they are identical between the laptop and desktop.
I did not see a BAM configured on the laptop, but is there a way to copy all the QS configuration (including BAM) from the desktop and move it to the laptop to ensure everything is identical?
Another idea I had. I have seen some laptops that restrict their USB power to conserve the laptop battery. This becomes evident when it is hard to charge an iPhone off the laptop.
A friend encountered this on his computer and found an ASUS driver than would eliminate the USB power restriction, so maybe that is going on?
In your post you suggest using an IPhone charger to power the FB3. I am willing to try that, but I am not sure I understand. How would we get the signal from the laptop to the FB3 if it is powered off an IPhone charger? Can you elaborate?
Other ideas I had: try powering the FB3 off a powered USB hub to boost the power to the FB3, and try my 1 watt projector on both the laptop and desktop to see if the projection power varies between the computers.
Thanks.