[EMS Discuss] radio between arduinos?

Elizabeth Phelps lizphelps18 at aol.com
Thu Mar 27 18:55:41 PDT 2014


Joshua is in absolute heaven reading the responses from all of you. Thank you!!!
Liz

 

 

 

-----Original Message-----
From: Josh Marinacci <joshua at marinacci.org>
To: Ellery Weber <ellery at elleryweber.com>
Cc: Greg Norman <normgr00 at yahoo.com>; Eugene Maker Space <discuss at eugenemakerspace.com>; Elizabeth Phelps <lizphelps18 at aol.com>
Sent: Thu, Mar 27, 2014 5:04 pm
Subject: Re: [EMS Discuss] radio between arduinos?


I’ve had good luck with JeeNodes. They include a low power wireless (not-wifi), plus arduino, and easy sensor hookup.


http://jeelabs.org/
http://moderndevice.com/product/jeenode-v6-kit/


-j






On Mar 27, 2014, at 4:58 PM, Ellery Weber <ellery at elleryweber.com> wrote:


Great info, Greg! Not my project, but I'm sure it's helpful to Joshua in his :)


The xbee was the only thing that came to mind, so I brought it up.


Hopefully Joshua can use some of those cheaper solutions. 






--EW





--- Ellery Weber



On Thu, Mar 27, 2014 at 4:54 PM, Greg Norman <normgr00 at yahoo.com> wrote:


Ellery,


Some less expensive options are here. Of course transmitters only transmit and receivers only receive, a cheaper solution if data only goes one direction. Those marked transceiver transmit and receive data on both ends. The least expensive usually have lower power (shorter ranges) and the size of antenna has a huge effect on range. You pay for distance. The basic trancievers are less expensive and easier to intigrate for your program than the xBee. The Arduino Cookbook has a chapter on these things.


https://www.sparkfun.com/categories/79



About the xBee, they can be purchased with a variety of output power and antenna styles. The thing about xBees is they can operate in a variety of modes so are more versatile but with versatility comes more complexity so require more learning to configure and program. The xBee also needs a module you plug into to configure it. 


If you want to try xBee I have a set including a programing module and cable you can borrow to see if it works for your project. I will also loan you books and help you set up the configuration program. All I ask is that you replace whatever you brake. I may or may not be able to be at EMS on Friday but if i'm not we can make arrangements.


Greg Norman


  
 
 
 
   From: Ellery Weber <ellery at elleryweber.com>
 To: Elizabeth Phelps <lizphelps18 at aol.com> 
Cc: discuss <discuss at eugenemakerspace.com>  want 
 Sent: Thursday, March 27, 2014 3:26 PM

 Subject: Re: [EMS Discuss] radio between arduinos?
 
 

 


Adafruit has them for around 20$ each - not sure what your price range is...


http://www.adafruit.com/products/128



This one automatically creates a serial link when 2 are within range of each other.


might want to think about getting the adapter kit as well (http://www.adafruit.com/products/126), since the pins have a 2mm spacing instead of a .1" (like breadboards take)




--- Ellery Weber



On Thu, Mar 27, 2014 at 3:20 PM, Elizabeth Phelps <lizphelps18 at aol.com> wrote:

Thank you. I looked at the xbee site below, and I don't know which one would be best. I don't need a long range, but I don't know which is easiest to use. Do you happen to know which one would be good?
         Thanks,
            Joshua 
 

 

 

-----Original Message-----
From: Ellery Weber <ellery at elleryweber.com>
To: Bob Miller <kbob at jogger-egg.com>
Cc: Elizabeth Phelps <lizphelps18 at aol.com>; discuss <discuss at eugenemakerspace.com>
Sent: Thu, Mar 27, 2014 10:01 am
Subject: Re: [EMS Discuss] radio between arduinos?


Check out the xbee:


https://www.sparkfun.com/pages/xbee_guide





EW





--- Ellery Weber



On Thu, Mar 27, 2014 at 9:58 AM, Bob Miller <kbob at jogger-egg.com> wrote:

The easiest way to do that would be to connect a serial Bluetooth card
to your Arduinos.  Several members have experience with those, but I
do not.




On Thu, Mar 27, 2014 at 9:23 AM, Elizabeth Phelps <lizphelps18 at aol.com> wrote:
> Hi
>                 I am trying to get two arduinos (Uno and Micro) to send a
> string of numbers/text back and forth to each other with radio. I would then
> like to divide the incoming string into separate variables. I don’t need the
> range to be longer then about 50’, and I don’t need it to be very fast. I
> would like to use serial, because I know how to use it some, and it doesn’t
> use many pins. Also, the simpler the better. Does anybody have some ideas?
>                 Thank you,
>                 Joshua
>

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> Discuss at eugenemakerspace.com
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--
Bob Miller                              K<bob>
                                        kbob at jogger-egg.com
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