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Description: The Bluetooth Mate Gold is very similar to our BlueSMiRF modem, but it is designed specifically to be used with our Arduino Pros and LilyPad Arduinos. These modems work as a serial (RX/TX) pipe, and are a great wireless replacement for serial cables. Any serial stream from 2400 to 115200bps can be passed seamlessly from your computer to your target. We've tested these units successfully over open air at 350ft (106m)!

Bluetooth Mate has the same pin out as the FTDI Basic, and is meant to plug directly into an Arduino Pro, Pro Mini, or LilyPad Mainboard. Because we've arranged the pins to do this, you cannot directly plug the Bluetooth Mate to an FTDI Basic board (you'll have to swap TX and RX).

This unit ships with an RN-41 class 1 bluetooth module, a very easy-to-use and well documented bluetooth module. Make sure you check out the datasheet and command set links below. If you don't need the extra range, check out the Bluetooth Mate Silver which uses a Class 2 module which has less range.

The Bluetooth Mate has on-board voltage regulators, so it can be powered from any 3.3 to 6VDC power supply. We've got level shifting all set up so the RX and TX pins on the remote unit are 3-6VDC tolerant. Do not attach this device directly to a serial port. You will need an RS232 to TTL converter circuit if you need to attach this to a computer.

Unit comes without a connector; if you want to connect it to an Arduino Pro, we'd suggest the 6-pin right-angle female header.

Note: The hardware reset pin of the RN-41 module is broken out on the bottom side of the board. This pin is mislabeled as 'PIO6', it is actually PIO4. Should you need to reset the Mate, pull this pin high upon power-up, and then toggle it 3 times.

Features:

  • v6.15 Firmware
  • Designed to work directly with Arduino Pro's and LilyPad main boards
  • FCC Approved Class 1 Bluetooth® Radio Modem
  • Very robust link both in integrity and transmission distance (100m) - no more buffer overruns!
  • Low power consumption : 25mA avg
  • Hardy frequency hopping scheme - operates in harsh RF environments like WiFi, 802.11g, and Zigbee
  • Encrypted connection
  • Frequency: 2.4~2.524 GHz
  • Operating Voltage: 3.3V-6V
  • Serial communications: 2400-115200bps
  • Operating Temperature: -40 ~ +70C
  • Built-in antenna

Dimensions:

  • Board: 1.75x0.65"

Documents:

Replaces: WRL-9358

Comments 17 comments

  • Is there a reason that these are still so expensive? The bluetooth module itself is around $25, and that’s in low quantities.

  • In order to connect this to Arduino pro, I tried to follow this link: http://www.rioleo.org/setting-up-the-arduino-pro-mini-and-bluetooth-mate-on-mac.php But I cannot find out “edit serial ports” in the bluetooth preference of my mac (my OS X version is 10.9 - Mavericks). When I pair it, it shows “connected” (but doesn’t change the led on bluetooth mate as green - stays on red) but automatically disconnect it again in 1-2 mins. Can any one give me the answer how to figure it out?

  • As far as I can tell, the only difference between this and my old WRL-9358 is the firmware. Is there any way for me to upgrade it myself to get the HID profile? The datasheet mentions firmware upgrades over SPI, but I can’t seem to find any relevant downloads/instructions.

  • are the Mosfets on the TX pin to 5v necessary? I am able to run the 3.3v output of the RFM22b radios straight into the MISO of the mega328 with no problem. I noticed you don’t use these on your RFM22 breakout to shift the 3.3v back to 5v

  • Hello! I have followed the Hookup Guide an can communicate between a Arduino UNO and the bluetooth mate gold. I am able to see the settings and and probe for surrounding BT devices, I can also detect the Mate Gold on my computer, but I am unable to connect with the deivce! I have tried two different PC’s and a Android Phone without any luck.

  • Stupid question answered by reading…

  • Hey guys i had the older Version WRL.9358 which works fine but i have problems with the new version. On the old Version i could just use the Password 1234 and it worked. But in the new Version when i Connect Windows is giving me a Code and i dont must enter a Password and then when i Click no or yes the Bluetooth is added but it just not connects. Can anyone Help how must i connect de the Bluetooth Mate Gold? Is ther no password anymore? And why are Windows giving by every time a new Code?

    • The code may just be different on this version. By default it should be 0000, give that a try.

  • Hello all; I am experiencing an interesting issue…I am not able to figure out whether this due to my code or a hardware problem. I was hoping to gauge you all to see if anyone has experienced this. Although the documentation states that such a state is NOT possible, I have experienced it. I have purchased over 20 of these for a project and I have experienced this with 3 of them (although I have not tested each one extensively).

    ISSUE: The module is connected (green led - solid) and then all of a sudden I get the following: BOTH the RED led (fast blink) and GREEN (solid) led are lit up at the same time. This suggests the module is both in command mode and connected at the same time. The documentation states such a state is not possible.

    Suggestions? Thanks.

  • If you send to a PC, how is the data received? Specifically, can it be configured to be received by a virtual COM port, or must the receiving software gather the data from the Bluetooth device?

  • Perhaps in the next design iteration add pads on the back for the 6 pin SMD female header that FTDI Basics use? There’s plenty of real estate and it would be nice to not have the connector overhang the board.

  • Can this device work with LilyPad MP3?

  • Can this be adapted for Arduino Mega or other boards?

  • WRL-12579 has a similar price increase relative to the module.

  • Way to expensive for my taste, I’ll stick with the modules from RFDigital…


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