Why no sense Tux? Is this convertion not possible?
Thank you Carlos Em quinta-feira, 1 de janeiro de 2015 18h44min57s UTC-2, Tux Leonard escreveu: > > I am sorry but this is nonsense. > > 2015-01-01 21:12 GMT+01:00 William Pretty Security <[email protected] > <javascript:>>: > >> Why don’t you just use a 3 volt relay ? >> >> >> >> I have several on order from Digikey. >> >> I am basically doing what you are attempting. >> >> I am driving a 3 volt relay from an I/O port. The trick is to use the >> Digikey Search feature to look for a 3 volt relay and NOT a 3.3 version. >> >> If you use a 3 volt relay then the Vce voltage drop of the transistor >> will not affect the relay. (turn on is usually ~2.5v) They also come with >> built in diodes J >> >> >> >> Bill >> >> *From:* [email protected] <javascript:> [mailto: >> [email protected] <javascript:>] *On Behalf Of *Carlos Cesario >> *Sent:* Thursday, January 01, 2015 3:03 PM >> *To:* [email protected] <javascript:> >> *Subject:* Re: [beagleboard] Re: Gpio Relay >> >> >> >> Hello Tux Leonard, thank you by your answer. >> >> >> >> Using +5v I had success too, but I would like to usage only +3v and >> convert it to +5v like this circuit >> >> >> >> >> http://electronics.stackexchange.com/questions/56093/how-to-use-a-3v-output-to-control-a-5v-relay >> >> >> >> But I 'm having difficult understand this and simulate with BBB or RPi >> >> >> >> If possibe, could you help me pls? >> >> >> >> Thank you o much and happy new year for everyone!!!! >> >> >> >> Carlos >> >> >> Em quinta-feira, 1 de janeiro de 2015 17h00min02s UTC-2, Tux Leonard >> escreveu: >> >> Perhaps you can google for "MOSFET as Switch" >> >> >> >> I attached my solution. The relay should be connected to the end of the >> blue line and +5V. >> >> To protect your circuit you could add a diode in parallel to the relay. >> >> >> >> >> >> 2015-01-01 17:32 GMT+01:00 Carlos Cesario <[email protected]>: >> >> Hello guys! >> >> >> >> It is wrong!!! Does nos working as expected. :( >> >> >> >> Does someone could instruct me how todo this ? 3v to 5 using 2n7000 .. >> >> >> >> Thank you! >> >> >> >> Carlos >> >> Em quarta-feira, 24 de dezembro de 2014 22h13min50s UTC-2, Carlos Cesario >> escreveu: >> >> Hello guys, >> >> >> >> Someone please could help/explain me how isthe best and security way to >> connect 5v relays on BBB ? >> >> >> >> I 'm planning usage this relay >> http://www.dx.com/en/p/arduino-5v-relay-module-blue-black-121354 or this >> relay board >> http://www.dx.com/en/p/8-channel-5v-relay-module-board-for-arduino-red-156424 >> >> >> >> Thank you >> >> >> >> Best regards, >> >> >> >> Carlos >> >> -- >> 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/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 [email protected] <javascript:>. >> For more options, visit https://groups.google.com/d/optout. >> ------------------------------ >> >> No virus found in this message. >> Checked by AVG - www.avg.com >> Version: 2015.0.5577 / Virus Database: 4257/8807 - Release Date: 12/25/14 >> Internal Virus Database is out of date. >> >> -- >> 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] <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 [email protected]. For more options, visit https://groups.google.com/d/optout.
