Hi bill, Thanks for your help, so i just have to replace the resistors by new ones, for Leds what is your idea to connect them to relay coil?
segunda-feira, 9 de Fevereiro de 2015 às 20:57:06 UTC, William Pretty Security escreveu: > > Hi; > > > > I took a look at both circuits. > > There’s uses an opto-isolator, so shorting the LED should work. > > > > In your case, the 1K resistor on the base will load the GPIO too much. > > I used a 10K base resistor with a 100K pull down. > > Basically multiply both of your values by 10 and you8 should be fine. > > I would hook the LED in parallel with the relay coil. > > > > Good Luck > > > > Bill > > > > > > *From:* beagl...@googlegroups.com <javascript:> [mailto: > beagl...@googlegroups.com <javascript:>] *On Behalf Of *cmc...@gmail.com > <javascript:> > *Sent:* Monday, February 09, 2015 8:57 AM > *To:* beagl...@googlegroups.com <javascript:> > *Subject:* [beagleboard] Control 5V relay with my BeagleBone Black GPIO > > > > Hi, > > > > I have a 5V Relay shield to control with my BBB, i know the GPIO work with > 3.3V, i see an instructable that i can shunt the leds in my relay shield > and it will work, it is safe for my bbb to do that? > > > > Modifications for Driving a 5V relay module from a 3.3V Arduino board > <http://www.instructables.com/id/Home-Automation-How-to-Add-Relays-to-Arduino/step6/Modifications-for-Driving-a-5V-relay-module-from-a/> > > > > My relay board: > > > > Relay Board <http://wiki.iteadstudio.com/4_Channels_5V_Relay_Module> > > > > Thanks, > > -- > 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 <javascript:>. > For more options, visit https://groups.google.com/d/optout. > -- 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/d/optout.
