I'm not completely sure what you are asking. Are you wondering if the 3.3V from the Black is enough to switch the transistor?
On Mon, Nov 11, 2013 at 9:48 PM, <pat.m...@gmail.com> wrote: > Hi! It just so happens that my IEEE<https://www.facebook.com/byuidahoieee> > group > here at BYU-Idaho are putting together a flight computer for a rocket and > used this to deploy our recovery system: > > > http://www.ebay.com/itm/221292380580?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1439.l2649 > > I can upload a schematic later but the idea is to have a 9V battery power > the transistor which is triggered from an I/O pin from the BBB. This > battery also supplies the current to switch the relay after the I/O pin is > triggered. If your current draw is low enough, a transistor would work, > but the BBB GPI/O pins output 3.3 V or you could use a 5V output pin that > the board supplies to get the 5V directly. > > > On Sunday, November 10, 2013 8:39:12 AM UTC-7, Bodo Kaiser wrote: >> >> Hello, >> >> I want to control a 5V battery-powered circuit through a relay. >> >> I am quite unsure which will work with the BeagleBoneBlack and a simple >> GPIO input. >> >> Are there any recommendations? >> >> Best, >> Bo >> > -- > 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.
