Merry christmas to you too.

On 12/25/2014 9:31 AM, William Pretty Security wrote:
>
> At least we helped ASSHOLE !
>
> That’s more than you did, until we stepped and a least tried !
>
>  
>
>  
>
> "No one could make a greater mistake than he who did nothing because
> he could do only a little."
>
> "All that is necessary for the triumph of evil is that good men do
> nothing" Edmond Burke /(1729 - 1797)/
>
> http://www.packtpub.com/building-a-home-security-system-with-beaglebone/book
>
>  
>
> *From:*[email protected]
> [mailto:[email protected]] *On Behalf Of *evilwulfie
> *Sent:* Thursday, December 25, 2014 11:05 AM
> *To:* [email protected]
> *Subject:* Re: [beagleboard] Re: Gpio Relay
>
>  
>
> You people drive me crazy sometimes
> he mentioned EIGHT relays he may want to drive
> sure for one relay you may want to use a discrete solution
> but i cant see a novice dealing with all the discrete components to do
> this job
>
> use one of these
>
> ULN2803
> http://www.ti.com/lit/ds/symlink/uln2803a.pdf
>
>
> On 12/25/2014 7:37 AM, William Pretty Security wrote:
>
>     Hey Carlos;
>
>      
>
>     Excellent attempt !
>
>      
>
>     RB is 10K and RL is the relay coil. (They probably used ‘L’ to
>     mean coil).
>
>     Also, if the transistor has too much gain, and the relay doesn’t
>     turn off completely.
>
>     Just connect a 100K resistor between the base of the transistor
>     (B) and 0V on your schematic.
>
>      
>
>     …. And a Merry Christmas to you too J
>
>      
>
>     Bill
>
>      
>
>     "No one could make a greater mistake than he who did nothing
>     because he could do only a little."
>
>     "All that is necessary for the triumph of evil is that good men do
>     nothing" Edmond Burke /(1729 - 1797)/
>
>     
> http://www.packtpub.com/building-a-home-security-system-with-beaglebone/book
>
>      
>
>     *From:*[email protected]
>     <mailto:[email protected]>
>     [mailto:[email protected]] *On Behalf Of *Carlos Cesario
>     *Sent:* Thursday, December 25, 2014 7:59 AM
>     *To:* [email protected]
>     <mailto:[email protected]>
>     *Subject:* [beagleboard] Re: Gpio Relay
>
>      
>
>     The circuit it will be like this ? Replacing the RB and RL by 10K
>     resitor...?
>
>      
>
>     <http://i.stack.imgur.com/iRzKO.gif>
>
>     Thanks a lot and Merry Christmas for everyone!!
>
>      
>
>     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
>
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