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Description: This is a simple breakout for the Roving Networks Bluetooth module. All pertinent pins are broken out and labeled. This new version’s headers are unpopulated. Check below for appropriate headers.

The module from Roving Networks is powerful, small, and very easy to use. This Bluetooth module is designed to replace serial cables. The Bluetooth stack is completely encapsulated. The end user just sees serial characters being transmitted back and forth. Press the ‘A’ character from a terminal program on your computer and an ‘A’ will be pushed out the TX pin of the Bluetooth module.

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 device to a computer.


  • Fully qualified Bluetooth module
  • FCC Certified
  • Fully configurable UART
  • UART Data rates up to 3Mbps
  • Over air data rate of 721kbps to 2.0Mbps
  • Low power sleep mode
  • Compatible with all Bluetooth products that support SPP (almost all do)
  • Includes support for BCSP, DUN, LAN, GAP SDP, RFCOMM, and L2CAP protocols
  • 3.3V operation
  • Status pin
  • Bluetooth Technology v2.0 compatible
  • Class 1 power output

Dimensions: 1.0x0.9"


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Customer Comments

  • Looks like I should be able to use this directly with a 3.3V Pro Mini and power the project with a LiPo, right?

  • I think your tutorial link is wrong. Regards

    • The tutorial links to how to use a logic level converter, which you need in order to interface a 3.3V device to a 5V microcontroller, as described. What kind of tutorial were you looking for instead? Or what specifically is wrong with it so we can fix it?

      • Hello Tony K .. I already have the logic level converter and the above BT RN41 module … I intend to use it on a Raspberry Pi 3 (not using the built-in BT) … is there a tutorial on how to wire your BT breakout module on a breadboard to interface to a RPi 3 via GPIO ? … Thanks in advance

  • Why the big price jump ($35) from the module to this breakout board (with the module). the board plus two capacitors worth that much?

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