A low-power short-range wireless protocol.

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23 views

Can we capture and reproduce the bluetooth signals

Are there any devices that can capture bluetooth signals and reproduce them? Or is it simply possible to capture bluetooth signals if we have any bluetooth device? Does a bluetooth device have ...
0
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0answers
17 views

WT12 module in SPP profile

I am a newbie and trying to work out the way to a simple application I have to finish. What I want my Bluegiga WT12 module to do is, just enter to the SPP profile and wait for any initiators and get ...
0
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2answers
54 views

communication between 7 bluetooth modules

I’m working on a project where a 7 bluetooth modules need to communicate with each other simultaneously. But i am unable to pair two bluetooth modules. Please guide me on how to make simultaneously ...
0
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1answer
18 views

Eliminating battery/bluetooth feedback

Let me preface this with saying that I'm a complete amateur with electronics and know very little of theory behind it. I think my question is easily answered but I just can't find the right info. I ...
1
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1answer
50 views

Bluetooth Low Energy - Smart vs Smart Ready device

After going through this wiki on BLE, I understood that BLE SmartReady devices are dual mode devices (BT as well as BLE) whereas Smart devices are single mode devices (only BLE). Few of my friends ...
0
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1answer
13 views

ATXMEGA128A4 and bluetooth BTM-331

I have some questions regarding atxmega128a4. I want to use all of its 5 uart modules but my very basic problem is that I do not know what are the pins for RX/TX. I have read in manual but I cannot ...
0
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1answer
34 views

PC side of SPP Bluetooth Profile [closed]

I have a Bluegiga WT12 module, I want it to connect to a PC with SPP profile. How will I handle the PC side? How will I detect the Bluetooth connection on my PC and get it emulated like a serial ...
2
votes
2answers
89 views

uC to host Bluetooth module via UART

I am a newbie. I am trying to finish a school project, I need to transmit an analog signal to the computer via Bluetooth. I am using Bluegiga WT12 as the Bluetooth module, and I want to use it with ...
1
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1answer
48 views

Prototyping for Bluetooth accelerometer

I'm a software developer looking to prototype an application that requires input from a 3-axis accelerometer, ideally via Bluetooth LE. Current specs on the accelerometer are +/-50G sensing range ...
0
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0answers
26 views

HC05 Bluetooth module advertising mode

I have an HC-05 bluetooth module and I'm trying to set it in advertising mode but I don't know how. Is there an AT command that does the job? or is it a special pin configuration?
0
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1answer
71 views

Serial monitor controls Arduino Motor Shield; why Bluetooth didn't do?

I have got Arduino Mega 2560, Ladyada Motor Shield v1.0, HC-07 Bluetooth Module, and Android Bluetooth Terminal App. I combined Motor Shield on Arduino Mega. I get M+(5V)/GND point to run my HC-07 ...
2
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0answers
56 views

Android CAN bus connectivity via Bluetooth (or USB) [closed]

I'd like to read sensor data from existing CAN buses using a bluetooth (preferably, though USB would also work) device of some sort. Trouble is, I've never done CAN bus, bluetooth or android ...
0
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2answers
107 views

BLE113 Bluetooth 4.0 module with CR2025 3v battery power supply

A question regarding the power supply of a BLE113 Bluetooth 4.0 module: I am attempting to order several bluetooth modules, but the main concern is the power supply. Since I am new in the field of all ...
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0answers
24 views

USB Bluetooth dongle into KL25Z

I have a USB bluetooth adapter that I wish to connect to a Freescale KL25Z board. The latter only contains two female USB mini connectors, therefore I plan to establish a connection using a USB mini ...
2
votes
0answers
52 views

Bluetooth receiver from multiple transmitters

I need a bluetooth receiver to receive a signal from few transmitters. There is extremely little information about bluetooth on the internet. Google gives a lot of topics about android and iPhones, ...
1
vote
0answers
41 views

Arduino Bluetooth Module not holding connection

I am using an HC_05 Bluetooth module and an Arduino Uno to try and set up a simple bluetooth connection with my Windows Phone (HTC 8X). I am following the online tutorial here. When I go into ...
2
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0answers
72 views

What components do I need to wirelessly transmit a small signal via Bluetooth? [closed]

So I'm doing a project trying to create a wireless Electrocardiogram (ECG or EKG) system. I built the hardware, connected it to a human subject, and it works perfectly - you can see the heartbeat ...
0
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0answers
51 views

HC-05 Bluetooth module not responding to certain commands

I've got a problem with my HC-05 BT module. I'm talking to it from my PC via USB/UART converter. When it's in slave mode I can link it with another device, send data using module's and converter's ...
1
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1answer
53 views

RFID distance transmitter

I am looking to have a program which would alert me whenever a certain RFID tag would no longer be read, however I don't want to use NFC since I need the distance to be of at least 50cm+. Is there ...
1
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0answers
33 views

Amplifier with differential input for WT32 Bluetooth module [closed]

I use the WT32 bluetooth module (AD2P) for listen the music on my car (aux connection) with my cellular phone (android). I have a problem with the audio part because every time I hear noises! I ...
0
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2answers
77 views

Streaming video using BLE or classic Bluetooth 4.0?

BLE only has a data payload of 100Kbps so I was wondering if it is possible to stream a live video using Bluetooth Low Energy? Classic Bluetooth 4.0 has a data payload of 2Mbps which makes it easier ...
0
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2answers
57 views

Does Bluetooth LE stack supports A2DP profile?

Does Bluetooth LE stack supports A2DP profile (audio steaming)? or if there is any dual mode stack which I could use in combination with BLE and classic stack. Also any information on the hardware ...
0
votes
1answer
51 views

Where to connect RX and TX on my Sainsmart UNO?

I am trying to connect a Bluesmirf Gold on my Sainsmart UNO. I don't know where I should connect the RX and TX on the Sainsmart and I don't have any electronics experience. On Arduino, that's quite ...
1
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0answers
162 views

Connect microphone to RN-52 Bluetooth module

My goal is to build a bluetooth hands free device, basically a speaker phone, to pair with a mobile phone. I am using the Roving Networks RN-52 Bluetooth Audio module mounted on a breakout board from ...
0
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1answer
235 views

Bluetooth module HC-05 interfaced with PIC: great latency and wrong data

I am using a PIC16f887 oscillating on an external crystal of 20MHZ The code is simple ...
0
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1answer
79 views

What are the components used for the iPhone-sized car hack? [closed]

Recently two security researchers hacked a car with iPhone-sized gadget according to this link. They didn't release any technical details, but I think we can guess from the picture of the gadget: ...
1
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1answer
199 views

lpc1343 upload firmware via UART bluetooth module from linux

I am a novice to BT so I am looking for some advice. My LPC1314 has a bluetooth module soldered to its UART. I believe the BT module is a HC-06. I want to use BT to flash the firmware.bin to the ...
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votes
1answer
105 views

what parts are needed on my PCB for bluetooth? [closed]

Too broad. So let me try to rephrase it: I want to make a Bluetooth module. The only function I want is for it to connect to a mobile device and check battery life (but don't be concerned with the ...
1
vote
1answer
184 views

How to get RSSI of Bluetooth, specfically HC-05

We purchased a Bluetooth device EGBT-045MS in hope that we will be able to get its RSSI. Do you have any idea how to do this?
1
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1answer
37 views

Does all bluetooth modules support RFCOMM?

I am about to order a Bluetooth module and I wonder if RFCOMM is such a basic feature that it is always (or close to always) supported in Bluetooth modules? Let's say for Bluetooth 2.0+. Previously ...
0
votes
1answer
31 views

Bluetooth collision detection

As I know Bluetooth masters can be connected up to 7 slaves at once. What happens if there are 8 or 9 slaves trying to connect and send data to the master? Is there any collision algorithm like CDMA?
1
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0answers
110 views

Using Java applet on a cheap Nokia phone to control Arduino via Bluetooth [closed]

I've built a nice wheel robot prototype with my kid. He had a broken R/C bigfoot truck: we've replaced its 'brains' with Arduino Pro Mini, DC motor drivers and HC-05 Bluetooth chip. Currently we ...
0
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0answers
44 views

Bluetooth Video Distribution profile (VDP) module

I am working on a project that will stream video over bluetooth. I would like to use bluetooth modules (class 1 or 2) dedicate to VDP or compatible with for faster implementation.Just like it exist ...
0
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0answers
84 views

How can I connect a microphone to a WT32 bluetooth module?

I have two parts which I'd like to connect, and I'm having trouble making it work well. The first is an OEM microphone for my car, BMW part 84 31 6 93 87 62. You can find some info about it here: ...
0
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1answer
60 views

Connections on RN42 v2

So a few months back, I asked about how to connect a RN42. I finally built the circuit, which is basically a copy of the schematics on the right side of this pdf: ...
1
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1answer
152 views

How to discover a custom Bluetooth LE device

I have a custom circuit board which is using a Bluetooth LE chip from Nordic Semiconductor. I'll be talking to this device with an iOS app and am new to BTLE and somewhat confused by the whole ...
0
votes
1answer
159 views

How can I reduce hum & pop from simple amp setup?

I am building a bluetooth speaker and am encountering two issues. Here is my setup so far: When turned on, it gives two very loud POPS before working normally. Is there a simple way of delaying the ...
0
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0answers
101 views

Boot loader for updating Firmware

I am using pic controller with USB HID boot loader which will do a firmware update via USB and i have tested it successfully.If i add a blue tooth device(UART) and tries for a firmware update I trust ...
-1
votes
1answer
112 views

Trying to figure out the distance my computer is from my Bluetooth peripheral via RSSI. Is it possible?

I'm having a great deal of trouble figuring it out. I know it's far from exact, but I would like to have a reasonable estimate in meters. Right now my device is reporting back to my the RSSI value ...
0
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0answers
141 views

BLE+EDR in sleep mode and BT 2.1+EDR

Can a Bluetooth 2.1+EDR module wake a Bluetooth 4.0 Low Energy+Dual Mode (BLE+EDR) module up, if that is in sleeping mode, if it tries to connect to the BLE+EDR? And can the 2.1+EDR module see the ...
2
votes
2answers
333 views

Answering a phone call with RN-52 and Arduino Mega 2560

I come from Stackoverflow in need of some guidance. My goal: stream tunes (completed) and answer/end calls through the RN-52 (not completed) My issue: I am getting confused on the RX/TX/CTS/RTS ...
1
vote
2answers
170 views

RFID vs Bluetooth

I'm working in a project, where we are developing a system to detect whether a truck was or wasn't there. Consider that the place is far away from any kind of source as energy, etc., and we need the ...
1
vote
1answer
216 views

Bluetooth paired signal

I'm using Atmega8 with HC-05 bluetooth module for communication with android bluetooth. The connection was success. But i want microcontroller to detect whether the HC-05 is connected with android or ...
0
votes
1answer
215 views

Bluefruit ezlink is not accepting my sketch

I have recently purchased both a new Arduino Uno and a new Bluefruit EZLink shield. I am able to upload sketches to the unit via USB (with the selector set to "soft"). I can pair with the unit and ...
2
votes
0answers
129 views

Apple ANCS and nRF8001 [closed]

I'm trying to set up an iOS app (which I know is working properly) with a nRF8001 using nRFGo studio. I do not have the nRFGo dev kit (only the 8001 dev kit) so I will hook up the 8001 with my Arduino ...
3
votes
1answer
106 views

7-bit data mode in bluetooth module rn-42

I have bluetooth module rn42 I need to configure it to 7-bit data mode. Data sheets says that I should use command S7,1 to enable 7-bit data mode, but it does not work. I receive ERR when sending s7,1 ...
0
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0answers
26 views

Multiple Bluetooth connections

I am trying to build a Bluetooth speaker that can have up to five different connections to it. I have done one with five different Bluetooth modules but, there is five different Bluetooth connections. ...
1
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2answers
84 views

Controlling a motor from Android device for small dumbwaiter

In short, I am trying to build a motorized dumbwaiter (platform to carry small objects up and down vertically) from the ground to my office, which is about 15 feet higher than ground level. I would ...
3
votes
2answers
147 views

Counting number of bluetooth 4.0 (BLE) devices near me?

Does bluetooth allow you to discover devices around you that are simply on but aren't in any discovery state? I am not trying to pair with all these devices but merely count the number around me and ...
0
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1answer
83 views

Can a standard Rx/Tx bluetooth module send and receive at the same time?

I can a simple bluetooth module receive and transmit data at the same time? Or will it require a secondary antennta or even another bluetooth chip?