Yes, the second circuit uses a BJT (forgot to mention). I tried the first one but did not come to success.
The N-MOSFET I used required a lot of power to get working and there where no alternatives available (do not want to buy this stuff online and wait a week). Am 12.11.2013 um 16:09 schrieb Cody Lacey <[email protected]>: > 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, <[email protected]> wrote: > Hi! It just so happens that my IEEE 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 [email protected]. > 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 a topic in the Google > Groups "BeagleBoard" group. > To unsubscribe from this topic, visit > https://groups.google.com/d/topic/beagleboard/8cSfDP2zvII/unsubscribe. > To unsubscribe from this group and all its topics, send an email to > [email protected]. > 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 [email protected]. For more options, visit https://groups.google.com/groups/opt_out.
