Connect with us

Wireless Module Choice

Discussion in 'Datasheets, Manuals and Component Identification' started by LordSputnik, Oct 8, 2012.

  1. LordSputnik

    LordSputnik

    45
    0
    Aug 11, 2011
    Hi everyone,

    I've found two bluetooth wireless modules on ebay, both based on the same chip, the nRF24L01:

    1 - http://r.ebay.com/beeUAj
    2 - http://r.ebay.com/LXgwTw

    They're both very cheap and come from Hong Kong. Has anyone bought either of these two? Can you comment on how reliable/easy to use it was? If not, does either one look better based on the pictures alone?

    To my eyes, the green one looks hand-soldered, and the black one may be machine soldered, but that's as much as I can tell. Black ones are also slightly cheaper...

    I'm guessing if it's suitable for using with Arduino, it'll also be suitable for PIC. Would that be a good assumption to make?

    Thanks!
     
    Last edited: Oct 8, 2012
  2. CocaCola

    CocaCola

    3,635
    5
    Apr 7, 2012
    They are what they are, quality is hit or miss most of these are from drop ship suppliers and what you see might not be the exact module you receive... Either way they are all about 99% identical in quality...

    There are a decent number of articles to be found out there on how well they work, don't focus on the particular 'brand' just look for articles on similar ones and 99% of the info will apply...

    Yep, the assumption is correct, you will just need to write the interface library or commands for PIC... You can generally just port the existing Arduino libraries if you want to transcode them to the PIC...
     
  3. LordSputnik

    LordSputnik

    45
    0
    Aug 11, 2011
    Ok, thanks for your advice, I'll look around for some articles. As it's so cheap I may just buy it any way and see what it can do.
     
  4. LordSputnik

    LordSputnik

    45
    0
    Aug 11, 2011
    Bought one eventually, but now I have a new problem:

    [​IMG]

    What's the best way to plug this thing into a breadboard? Is there some sort of adapter I can buy that will separate the two lines of pins into a single line?

    (I'd rather not desolder the header from the board, or solder wires to the header, in case I ever want to make a PCB to attach it to)

    Many thanks, once again!
     
    Last edited: Oct 26, 2012
  5. (*steve*)

    (*steve*) ¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd Moderator

    25,214
    2,695
    Jan 21, 2010
    You can get a socket for these, make up a small adapter board for that which takes the leads an spaces them appropriately for the breadboard, and off you go.

    Alternatively you could solder wires to a socket or to these leads.

    Or, remove the header and solder wires to the board itself.

    Yes, it is an inconvenient format for solderless breadboarding (I won't argue with that)
     
  6. LordSputnik

    LordSputnik

    45
    0
    Aug 11, 2011
    Had a look around for info on this module, and it looks like it's one of these:

    http://iteadstudio.com/store/index....oducts_id=53&zenid=p5ib08mkl698ilq9ch2eqfcf82

    Also, found these on ebay, probably will end up using them:

    http://www.ebay.co.uk/itm/40-x-Dupo...ther_Computing_Networking&hash=item3f1e1c0224

    Ideally, I'd use one which plugged directly into the 2x4 socket and had separated wires on the other end, but if nobody knows where I can get one, I'll just buy the individual wires on ebay. :)

    Thanks for all your advice again!
     
  7. CocaCola

    CocaCola

    3,635
    5
    Apr 7, 2012
    If those other ones use standard IDC flat/ribbon cable you can crimp the proper plug on the end...

    Or you might consider something like these... A dab of super glue and you have your 2x4 connector...

    http://www.ebay.com/itm/10X-15cm-4p...442?pt=LH_DefaultDomain_0&hash=item231a934122
     
  8. (*steve*)

    (*steve*) ¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd Moderator

    25,214
    2,695
    Jan 21, 2010
    *Facepalm* I have some things like almost this and I still didn't think of them.

    Look here.

    edit: This is even cheaper and probably neater.

    edit again: Or even this.
     
    Last edited: Oct 27, 2012
Ask a Question
Want to reply to this thread or ask your own question?
You'll need to choose a username for the site, which only take a couple of moments (here). After that, you can post your question and our members will help you out.
Electronics Point Logo
Continue to site
Quote of the day

-