I love this little device.  thanks to jason and team for putting this 
together.

I have only one feature suggestion (complaint): I wish there was a teeny 
battery or supercapacitor on this device.

first, I would prefer to keep the RTC running on powerdown.  second, and 
more importantly, with a battery, it could provide 5 seconds of power after 
a powerdown to flush (sync) buffers to the sd card, so I would not have to 
constantly flush buffers manually in order to have my data logged before my 
robot ran into the wall.  having to flush manually constantly slows down 
what I can do tremendously.

ok, I admit that I am not the ideal target user for which the BBB was 
designed.  I am not a hardware enthusiast.  however, another $10 for a 
version of the BBB with a battery already built-in and just 5 seconds of 
guaranteed power (or, even better, a powerdown signal to the OS and 5 
seconds) would be ideal for me.

is there a chance that a small battery could make it into the next revision?

/iaw

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