How to Pair HC-05 Bluetooth Modules

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Published 2017-04-24
A fast explanation on how to pair two HC-05 bluetooth modules!

!!!!!!!PLEASE READ IF YOU ARE HAVING TROUBLE PAIRING YOUR BOARDS !!!!!!!
COMMON ISSUES:
Issue 1: This method works ONLY with an Arduino UNO. (edit: One user claims it works with an Arduino Mega as well but I have not tested myself. Could be an option if you have a Mega). Once the boards are paired you can use whatever you want, but for programming in AT Command mode you MUST use an UNO.
Issue 2: Some boards require the button to only be held during power up (as seen in video). Some boards require the button to pressed at power up AND when hitting "enter" on AT commands. Some boards require the button to be held at ALL TIMES in AT mode.
Issue 3: ERROR: (7) when trying to use the AT+BIND command. Your address be entered in this exact format XXXX,XX,XXXXXX 4 characters (comma) 2 characters (comma) 6 characters. If the address given by the slave module is not in this format, you must add zeros at the beginning of the section to make up for it. i.e. If the address given by your slave is 13:EF:C76A you would enter that as 0013,EF,00C76A. If the number of characters is correct an you're still getting the error; check that you do not accidentally have a space at the end of your string (very common).
Issue 4: The Baud Rate for AT Command Mode is 38400. The default Baud Rate for communication between modules is 9600. This can be changed with the command AT + BAUD

If you are still having trouble, post in the comments. I also offer pre-paired boards from my store: www.patrickstefanski.com/store



NO-INTRO TUTORIALS - Don't you hate when the first 10 minutes of video is the creator talking about what he's going to be doing and why he is going to do it? GET TO THE POINT! No-Intro Tutorials are designed to cut to the chase and dive right in.

All Comments (21)
  • @PatchBOTS
    If this process isn't working for you, please read the video description. I've updated it with a few of the most common problems. If that doesn't help, search through the comments, i try to respond to every question. If that doesn't work, post your new issue in the comments and I will get to it. If that doesn't work, I sell pre-paired boards in my store. Link in the description!
  • Excellent tutorial! Clear explanations, no intro, no background music, no bla-bla, just pure information. Greetings from Berlin!
  • @Usq7213
    TOOK ME 1 YEARS TO PAIR THIS HC-06 AND U MY FRIEND MADE MY DREAM COME TRUE AFTER 100 VIDS WITH POORLY EXPLATION BUT U SAVED ME FROM GIVING UP MY DREAM AND FOR THAT I WANT TO SAY THANK U FROM THE BOTTOM OF MY HEART<33333
  • @adkeco
    You gave me all I needed to know... in 5 minutes. Outstandingly clear and concise. Cheers!
  • @mewintle
    Super clear and concise. I wish all instructional videos were this good! Thank you!
  • @1e0_oki
    Thank you so much I have been trying to pair the the modules together the whole day, NOBODY mentioned that you have to remove the high signal on the EN pin and swap the TX|RX BUT YOU. you are amazing .
  • @Hurtcules
    The best tutorial I've seen so far on this subject. Gonna give it a try in a day or so.
  • @MakerProjectLab
    Great explanation. Clear and concise. Well done. Subscribed.
  • @mikex691
    Excellent, excellent!!! You inspire me. Please do more like this !!
  • It worked , with easy with your clear cut explanation , thank you very much sir.
  • @vedansh29
    tHE MOST EASY VIDEO FOR THE THING I SEARCHED FOR
  • THE BEST EXPLAINED VIDEO I'VE EVER WATCHED.......... THANK YOU VERY MUCH :)
  • @46449771
    Very good video. Straight to the point and perfect instructions. Thanks.
  • Thank you so much for this video, I was looking for a video that explained it easily and thoroughly!
  • @nancyrobles8481
    THE SHORTEST VIDEO I FIND, AND THE GREATEST, YOU EXPLAIN VERY WELL, YOU SOLVED MY PROBLEM, THANK YOU VERY MUCH FRIEND, NEW SUBSCRIBER
  • @yuchoy1
    Very nice and clear! Thanks for the info!
  • @hasanadmani6388
    amazing tutorial finally got everything to work great job!!!!!!!!!!!!!!!!!!!!