which port should i connect the external motor drivers on beaglebone blue? On Tuesday, October 24, 2017 at 9:44:45 AM UTC+8, Adam Saenz wrote: > > Yes, only 2 Cell LiPo batteries are supported. Note that the charge > circuit is setup to charge at 1Amp, so make sure you use a battery that can > that charge rate. If you use at least a 1000mAh battery you should be fine. > > -Longer lived batteries: You can use larger capacity batteries (e.g. > 1500mAh, 2000mAh, 3000mAh, etc.) as long as they are *2 cell* Lipo. > > -More power draw (e.g. motors): The on board motor drives can drive about > 1.2 Amp per motor which is really only enough for small motors, anything > more and you'll burn the drive chip. If you want to drive bigger motors > you'll need external motor drivers that can handle the current. > > -BBBlue via the barrel input: The barrel input is really to charge the > battery or run the board without a battery. It is not intended as a way to > provide more power to motors. If you need more power for motors you need > external motor drivers. > > > > > On Thursday, October 19, 2017 at 9:40:37 PM UTC-7, Unlisted Unlisted wrote: >> >> I see there's a connector labeled LIPO and In looking at the specs for >> the Beagle Bone Blue it states that this is for >> >> "2 cell (2S) LiPo battery connector " >> >> ( Short-Spec >> <https://github.com/jadonk/beaglebone-blue/blob/master/docs/BeagleBone_Blue_ShortSpec.docx> >> >> and Schematic >> <https://github.com/jadonk/beaglebone-blue/blob/master/BeagleBone_Blue_brd.pdf> >> >> ) >> >> Does that mean that in that connector, only 2 Cell LiPo batteries are >> supposed to be used? >> >> What about wanting to have a battery operated robot with longer-lived >> batteries and more power draw (e.g. motors)? Does that mean you need to >> power the BBBlue via the barrel input and if so - then is it recommended >> that you also have a 2 Cell LiPo battery connected to the LIPO connector? >> >
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