Not necessarily , my car is a 95 3kgt and it starts within 1-2 seconds of turning it over. A cap big enough should be able to handle that. As for the 24v idk how I didn't catch that, but then again who knows it is possible.
-Wil On Nov 5, 2013 9:30 PM, "Brandon I" <brandon.ir...@gmail.com> wrote: > > I've connected beagleboneblack to my car power supply with 24V to 5V > step down. > > 24V "power supply" in a car? If this means you're this from the > accessories circuit, you're doomed. Accessories are turned off while the > car is being started, and a cap won't be enough to power the beaglebone, > since they stay off as long as you're turning the engine. Another problem > is, you'll corrupt the filesystem with an out-of-the-box beaglebone. You'll > *have to* use a read only file system. > > You could tie the beaglebone directly to the battery (with a fuse of > course) and use some circuit to monitor when to turn it on and off. > > On Tuesday, November 5, 2013 9:24:49 AM UTC-8, Wilfredo Nieves wrote: >> >> I think you should be fine as long as you don't use a value that is too >> high or too low. Too high may cause problems with rise time and too low may >> not keep enough power supplied for the board to stay powered up. Also caps >> aren't like batteries, the charge almost instantaneously where as batteries >> need time to fully charge so as long as you can get the cap charged fast >> enough the board should power up without any problems. >> >> -Wil >> On Nov 5, 2013 8:27 AM, "satya gowtham kudupudi" <satyago...@gmail.com> >> wrote: >> >>> Thank you. I will give a try. As per the post here >>> https://groups.google.com/forum/#!msg/beagleboard/ >>> aXv6An1xfqI/mURD3LfQ5dMJ? the power source should have proper rise >>> time. I'm afraid a capacitor will increase the rise time. Any way I'll give >>> a try. >>> >>> -- >>> For more options, visit http://beagleboard.org/discuss >>> --- >>> You received this message because you are subscribed to the Google >>> Groups "BeagleBoard" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to beagleboard...@googlegroups.com. >>> For more options, visit https://groups.google.com/groups/opt_out. >>> >> -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to the Google Groups > "BeagleBoard" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to beagleboard+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/groups/opt_out. > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to beagleboard+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
