Check out the learn tutorials, particularly the one on fullduplex serial connections since thats what the rn 42 uses. This is the nonhid rn42 module from roving networks, a powerful, small, and very easy to use. The rn 42 ek board was used to evaluate the rn42 module. The thing is im having troubles pairing them because the pin configuration command needs a string and the wii remotes pin is hexadecimal and contains 0x00 which is a string null terminator so i think it could be causing troubles.
Hc06 bluetooth configuration rn42 code added parallax. Now were going to flash the chip, so stop the processor, select the rn 42 dump, and hit download. A video guide to resetting a bluesmirf bluetooth module. Hid, or human interface device, is the communication protocol used for. This is the nonhid rn 42 module from roving networks, a powerful, small, and very easy to use. Rn42 connectivity issue and windows 10 ive started running into an odd issue when working with the rn 42 bluetooth module and windows 10. Rn 42 module wrl12577 these bluetooth wireless modems work as a ttl serial rxtx pipe, as a replacement for serial cable connections. These modules are simple to design in and are fully certified, making them a complete embedded bluetooth solution. At any rate, with the bluesmirf device highlighted, click the continue button and voila. Go over to pstool, and check the bluetooth address youll notice that it now has the address of the rn 42.
The board carries the rn42 class 2 bluetooth module from roving networks, which is a robust, fccapproved bluetooth module. Cheap arduino bluetooth hid module hc05 with rn42 firmware hack arduino makers and hobbyists will appreciate this one. I have configured the rn 42 via bluetooth with teraterm or realterm. A four channel io rn42 bluetooth interface controlled by. Rn 42 bluetooth module advanced users manual download summary. How to factory reset a bluesmirf bluetooth modem youtube. Rn42 bluetooth module advanced users manual parallax inc. Nov 26, 20 the circuit diagram of the board is developed around the u2 microcontroller a pic16f876a from microchip and, obviously, the bluetooth rn 42 module u1. Rn 42 bluetooth evaluation kit rn 42 ek not recommended for new designs. Getting started with rn42 bluetooth module wireless eewiki. The rn 42 ek is a fully certified class 2 bluetooth evaluation kit for the rn42 module.
With a bluetooth hid module you can connect to your arduino projects to your cell phone or computer and get it to behave like a mousekeyboard or game pad device. The bluesmirf hid is essentially the same board as the bluesmirf silver but the populated rn 42 comes loaded with the hid firmware. It has the flexibility to connect directly to a pc via a standard usb interface or to embedded processors through the ttl uart interface. Please consider the rn4678 pictail the rn42 ek is a fully certified class 2 bluetooth evaluation kit for the rn42 module. The rn42 bluetooth module provides a reliable method for creating a wireless serial communication interface between two devices such as a microcontroller, pc, cell phone, or another module. Sparkfun bluetooth modem bluesmirf silver melopero. This version of the popular bluesmirf uses the rn 42 module which has a bit less range than the rn 41 module used in the bluesmirf gold. Csr bluetooth module bc04b hc05 hc06 rn42 firmware download 12 usb to spi.
Peter is right, its very easy with a rn 42 with hid preloaded, it can be bought from sparkfun standalone or even soldered in a board for easy connection. The bluesmirf silver is the latest bluetooth wireless serial cable replacement from sparkfun electronics. The rn42 hardware module the rn42 is a bluetooth 2. In part 2, iw shows how to verify that a serial connection via the rn 42 works. Arduino board any will do computer bluesmirf breadboard jumpers.
Sparkfun bluetooth modem bluesmirf silver wrl12577. The rn 42 bluetooth module provides a reliable method for creating a wireless serial communication interface between two devices such as a microcontroller, pc, cell phone, or another module. Configuration jumpers the rn 42 bluetooth module has four sets of configuration headers as shown below. Useful when the application requires an external antenna, the rn42n is. The rn42 supports multiple interface protocols, is simple to design in, and is fully certified, making it a complete embedded bluetooth. Cheap arduino bluetooth hid module hc05 with rn42 firmware.
Sparkfun bluetooth modem bluesmirf silver thingbits. Getting started with the rn42 bluetooth module and arduino. This module can pair up with devices supporting bluetooth spp serial port profile to establish a serial interface. A special version of firmware also supports hid bluetooth profile.
The bluetooth modem bluesmirf silver is the latest bluetooth wireless serial cable replacement. The roving networks rn 42 documentation which is the bluetooth modem the bluesmirf uses claims the default device name will begin with firefly but that was not the case with mine. Rn42rn42n class 2 bluetooth module with edr support data sheet. It could be updated to do that, yes, but the rn 42 is far more friendly to setup. For more details, look for the rn 41 command set on sparkfuns website. Hello, i bought a rn42 bluetooth module with hid enabled firmware from sparkfun. The primary difference between the rn 42 and rn 41 is that the rn 42 is a class 2 device meaning its range is about 50 to 60 feet and correspondingly the power consumption is reduced. This makes the rn 42 hid a simple and powerful tool for creating wireless peripheral devices which can be universally. The pic controls the relay by means of four io lines configured as outputs, each of which drives a npn transistor used as a power amplifier and static swich. Hid, or human interface device, is the communication protocol used for computer peripherals such as keyboards, mice and joysticks. The board carries the rn 42 class 2 bluetooth module from roving networks, which is a robust, fccapproved bluetooth module. The rn42 is a small form factor, low power, class 2 bluetooth radio for.
The first bt module i had was the parallax rn 42, then i got the xbee socket compatible unit from sparkfun. This module provides a very simple way to replace a serial cable connection with a bluetooth serial. Rn 42 module wrl12576 these bluetooth wireless modems work as a ttl serial rxtx pipe and are designed to mate directly with arduino pro, pro mini and lilypad boards. Thanks for contributing an answer to electrical engineering stack exchange. For pcs with bluetooth capability and running windows, click bluetooth devices in the system tray at the bottom right of your computer screen. Mar 31, 2011 rn 42 bluetooth module this module provides a very simple way to replace a serial cable connection with a bluetooth serial port profile spp connection. In part 2, iw shows how to verify that a serial connection via the rn42 works. Select add a bluetooth device and follow the onscreen instructions. Nov 14, 20 the demo provides a twoway communication channel for a remote device which can receive telemetry and respond to commands. Ive attached my rn 42 terminal program which basically echoes what you type into pst, and takes from the rn 42 and sends it to pst. Sparkfun bluetooth modem bluesmirf silver the bluesmirf silver is the latest bluetooth wireless serial cable replacement from sparkfun electronics. For mac osx, click the bluetooth icon, select set up bluetooth device, and follow the onscreen instructions. Public domain this example sketch converts an rn 42 bluetooth module to communicate at 9600 bps from 115200, and passes any serial data between serial monitor and bluetooth module.
For now, i have just connected the rn 42 to a usb port for the 5v supply. So if you truly have a rn 42 module with hid611 firmware. You will find some useful links and downloads below, as well as some tutorials and. Existing designs are unaffected check out the bluetooth sig site for additional details here. The bluesmirf is an easytouse bluetooth serial link that works over a range of logic voltages from 3. The rn 42 is perfect for short range, battery powered applications. Rn42 bluetooth evaluation kit rn42 ek not recommended for new designs.
As well has having a good set of features accessible via an atstyle command set, one great feature is that out of the box, it is configured to be a serial port host listening for an incoming serial port request. Apr 16, 20 we wanted to create a basic tool to experiment with the rn42 bluetooth module so we created obviously a demoboard. This version of the popular bluesmirf uses the rn42 module which has a bit less range than the rn41 module used in the bluesmirf gold. Also, i have a bluetooth device in my pc so i can connect to the rn 42. This version of the popular bluesmirf uses the rn 42 module which has a bit less range than th. This bluetooth module is designed to replace serial cables. Rn42 bluetooth electrical engineering stack exchange.
The rn42 also comes in a package with no antenna rn42n. Bluesmirf silver bluetooth modem firmware version 4. You can try to reset the bluetooth to its default settings if there is problems keeping the connection and sending serial data through the bluetooth module. Two shorting shunt blocks are included to allow enabling different features of the rn 42 bluetooth module. Bluetooth smd module rn42 wrl12574 karlsson robotics.
If your computer has a builtin bluetooth adapter, you can use that to communicate with a single rn42 module. Doing a factory reset on a bluesmirf bluetooth modem should cause it. This module provides a very simple way to replace a serial cable connection with a bluetooth serial port profile spp connection. The bluesmirf gold is based on the rn 41 bluetooth modem and is specd to 100 meters, but i dont know if it will handle the 1200bps needed to communicate with the prochrono. The rn42rn42n supports multiple interface protocols, is simple to design in, and is fully certified, making it a complete embedded bluetooth solution. Rn 41 bluetooth evaluation kit rn 41 ek the rn 41 ek is a fully certified class 1 bluetooth evaluation kit for the rn41 module. If you dont have a builtin bluetooth adapter in your computer, you can still experiment with the rn42. The bluesmirf silver is based on the rn 42 bluetooth modem and is specd to about 18 meters. The rn41xv class 1 bluetooth module is based on the rn41, and the rn42xv class 2 bluetooth module is based on the rn42. The end user just sees serial characters being transmitted back and forth. Mar 24, 2014 in this video tutorial we go over the basics of using the rn42 bluetooth module. Csr bc04b hc05 hc06 rn42 firmware download 12 youtube. Bluetooth modem bluesmirf silver wrl12577 sparkfun. The rn42 is a class 2 certified bluetooth module from microchip.
I managed to connect the gps with the rn 42 using the following settings. I use newsoftserial beta 11 to communicate with the rn 42 beware the class is called softwareserial in the newsoftserial beta 11. Diy bluetooth interface for prochrono digital page 4. With the new rn 42 bluetooth module we created a bluetooth remote control board and transform it into an android based system. Im getting a really inconsistent behaviour between different computers where, after pairing the device with the computer, it does not always generate the com port and the bluetooth spp service. Rn 42 is in autoconnect mode with the remote address of the gps stored.
Rn 41 module wrl12582 bluetooth modem bluesmirf silver. With its high performance on chip antenna and support for bluetooth enhanced data rate edr, the rn42 delivers up to 3 mbps data rate for distances to 20m. With its highperformance, pcb trace antenna rn42 or external antenna rn42n, and support for bluetooth edr, the rn42rn42n delivers up to. Nevermind, it must be my browser plugin since the download version. Peter is right, its very easy with a rn 42 with hid preloaded, it can be bought from sparkfun standalone or even. I also use the arduino usb serial port to relay input from the arduino serial monitor to the rn 42. The class 1 rn41 module has a range up to 100 meters. A four channel io rn42 bluetooth interface controlled. A bluetooth rn42 demoboard for experimentation open. Connecting and communicating wirelessly using command mode wireless communication with an. The rn 42 is pin a compatible substitution for the rn 41.
344 952 1377 1443 1037 873 629 847 1293 398 1488 204 624 71 172 986 823 695 595 114 240 554 1205 272 1209 352 1353