A low-power short-range wireless protocol.

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0
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0answers
7 views

Bluetooth device identification & information during pairing

Let's say I'm creating a device that communicates with the computer using Bluetooth. I'm at the point where pairing and exchanging data between the device and the computer works. Is there anything in ...
0
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0answers
6 views

Serial Port Profile connectivity in CSR 8670 Audio Development Kit

I am trying to make connection between my CSR 8670 Audio kit and Android phone through SPP profile, But while trying this came to know that my SPP Profile on Kit side is not enabled. I am trying to ...
1
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0answers
43 views

L293D causing motors to move slowly

I'm modifying an RC car to use bluetooth. I use the L293D chip, and when I connect the motor to the chip, the car barely moves. If I connect the 9V battery directly to the motor, it moves the car ...
0
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0answers
17 views

Changing bluetooth identification data

I bought this bluetooth audio module from DX.com. Is it possible to change the bluetooth identification name, which appears on the phone to pair, from what is mentioned?
3
votes
2answers
65 views

Bluetooth Low Energy general questions

I'm facing some problems understanding how Bluetooth LE works. First: How is a connection established? Peripheral (eg sensor) sends advertisements Central (eg tablet) has to scan actively ...
1
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0answers
13 views

To Activate RFCOMM in CSR8670 Audio Development Kit

I have a device CSR-8670 which act as SINK and on another side I have Android phone which act as Source. I am able to connect through RFCOMM when my both server and client is ANDROID phone but not ...
0
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0answers
30 views

UART PIC18F8722

I'm trying to connect a bluetooth module (the baudrate is 9600) with a PIC18F8722. The connection is with UART and I programmed this: ...
0
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0answers
25 views

BT to CDC serial over USB [closed]

There are plenty of BT to serial (DB9) products. Plenty of USB to CDC serial products. But does anyone know of a module that can interface between BTLE, and CDC serial over USB? Yes, it means it's ...
0
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0answers
29 views

UUID of CSR 8670 AUDIO DEVELOPMENT KIT

Does anyone have any experience ,how to make changes in UUID of CSR 8670 Audio Development Kit? Actually I am trying to connect my Android Device with this CSR Audio Dev. Kit but am not able to make ...
0
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1answer
17 views

Bluetooth keyboard?

Can the Bluetooth board "XS3868" be used for in a Bluetooth keyboard for a computer? Without using an Arduino
1
vote
3answers
31 views

Using Bluetooth 4.0/LE verses RF

I am asking this question in hopes to get a solid answer from anyone who has direct experience dealing with the most recent RF as well as Bluetooth 4.0/LE developments. What I am essentially trying ...
1
vote
2answers
198 views

Is Bluetooth less susceptible to jamming than wifi?

I am developing a mobile peer to peer application that will probably be subjected to RF jamming, and I'm wondering if bluetooth is perhaps less susceptible to jamming than ad-hoc wifi. Bluetooth has ...
0
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0answers
29 views

HC-06 Bluetooth low power mode?

I'm currently using the HC-06 BT module and am trying to figure out if there's a low power mode available. I've found documentation online that say's there is a sleep mode but says nothing about how ...
0
votes
1answer
43 views

bluetooth headset with LCD and memory

I was wondering if it is possible to create a bluetooth device which would have a LCD screen and some memory (1kb) for making and receiving calls. From my research ( and I am far from an EE, but ...
0
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0answers
18 views

Strange bluetooth module behaviour and UART tips

I'm bit new trying out with bluetooth modules and I started using one. Bluebee Gold Bluetooth devicedevice link The first problem that I have is when is configure my controller(PIC) with setting RX ...
1
vote
2answers
60 views

Bluetooth module (BLE112) USART: do I need to use its own microcontroller?

I am looking into the this module. All I need it for in my design is USART connection to my MCU (TX/RX connections). I don't care for the internal microcontroller (yet). My question: if I connect, ...
0
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0answers
12 views

Audio streaming issue with CSR-8670 kit

We are using Source App in "Analogue mode" in which we reached to a point where our kit is able to paired with the mobile device but when we start to play audio in mobile through paired CSR audio ...
1
vote
1answer
50 views

Bluetooth Module with Analog Input

I'm building a wearable Bluetooth device. When a button is pressed on the device, it sends a signal to the user's smartphone and consequently an app on said phone. I'm an app developer with no ...
1
vote
0answers
20 views

Bluetooth CSR8670 - How to make the kit discoverable? [closed]

I am working on CSR8670 Development Kit, in which I am trying to make the kit discoverable and also trying to pair the Kit with another Device.If anyone having any experience about CSR8670 kits ...
0
votes
1answer
34 views

Bluetooth 2.1 EDR sniffer

I'm new to Bluetooth technology and I'm trying to find something capable of sniffing Bluetooth 2.1 + EDR data. I see a lot of BLE/4.0 related devices. So far the closest things I've found were: ...
3
votes
1answer
155 views

Possible to re-program microcontroller over Bluetooth?

I am looking at making an embedded design featuring an ARM Cortex M3 MCU and bluetooth. I would like to be able to update its firmware over Bluetooth periodically. Is this possible with the following ...
2
votes
3answers
90 views

Wireless EEG electrode design

Currently, all 'wireless' EEG systems acquire signals from electrodes which are wired to an amplifier, a filter, a digitizer and then finally a wireless module. I want to design a system that's ...
-2
votes
1answer
76 views

What signal will come in?

I have a simple setup as shown, I would like to know what kind of RF signal will come in? Since the filter is configured around 2.4GHz, will all ISM (WiFi, Bluetooth, Zigbee, etc.) come in? The ...
0
votes
1answer
34 views

Measruement of RF Signal strength / phase difference

I would like to measure the signal relative strength and phase difference of two bluetooth(BT) receivers. and I found a chip that will do exactly that, AD8302 ...
0
votes
2answers
42 views

Xbee module and bluetooth module

Is it possible to connect Xbee module (Using Xbee shield) as well as Bluetooth module at the same time to any of the Arduino boards like Uno? Most of the sites give information about connecting one ...
-1
votes
1answer
47 views

Bluetooth project | Bluetooth transmitter connection to android mobile [closed]

Description: I want to create a Bluetooth transmitter that will pair with my android phone. I will send a ping(alert kind of notification) from my Bluetooth transmitter device(on a button press), and ...
1
vote
1answer
78 views

Can two BLE devices communicate?

I researched that starting from Bluetooth v4.1 a BLE device can be either a master or a slave. I was curious if anyone has tried it? And how to go about it. Also I am new to hardware and would like ...
0
votes
2answers
39 views

MCU cannot communicate with Bluegiga WT12 module

I have the evaluation kit EK-WT12 for Bluegiga WT12 module being controlled by a TI Launchpad. I have used the evaluation kit to communicate to a computer with SPP profile and I have sent and received ...
0
votes
2answers
55 views

Can bluetooth LE detect a touch using proximity?

How accurate is the proximity feature in BLE, can I detect if two BLE are touched tougether?
1
vote
0answers
89 views

A Project on Bluetooth | Bluetooth beginner | video tutorials of basic bluetooth projects | not audio bluetooth and arduino projects [closed]

Description: I want to create a Bluetooth transmitter that will pair with my android phone. I will send a ping(alert kind of notification) from my Bluetooth transmitter device(on a button press), and ...
0
votes
0answers
45 views

USB CDC RS-232 interface to Bluetooth or WiFi

I have a device that communicates with a computer via an USB CDC RS-232 interface. The thing is that I want to build an interface (on top of that USB interface) that enables the device to ...
0
votes
1answer
139 views

Programmable Bluetooth transmitter

As I develop my R&D project I decided to add bluetooth to the mix... In the first stage I decided to use my own iMac as a transmitter and my iPhone as the receiver, and it worked great... As I ...
0
votes
1answer
56 views

Identifying a bluetooth development device

This is some kind of bluetooth development device and I want to find out if this can be used with BlueLab software suit, but cannot find more details on it The main chip is BlueCore BC358 The ...
4
votes
3answers
1k views

What will I see in oscilloscope when attempting to analyze Bluetooth or Wi-Fi signals?

I would like to know what will show up if I put bluetooth or wifi carrier signal (2.4GHz family) in a say 50MHz oscilloscope? Am I going to see something like a rectangular block? And the only ...
0
votes
1answer
88 views

I get back wrong chars from bluetooth module (uart)

I would like to communicate between my atmega8 controller and PC via an HC-06 bluetooth module. I should get back the same char that I send but I get some wrong characters. The bluetooth module uses ...
0
votes
2answers
67 views

Inputs to a Wiimote using a microcontroller

I've seen various methods of grabbing inputs and sensor data from Wiimotes and Wii Nunchuks as standard Bluetooth HIDs into microcontrollers like the Arduinos, but is there a way of sending button ...
1
vote
2answers
272 views

Does the orientation of a Bluetooth antenna affect the transmission distance?

I'm doing a project with a Bluetooth device for the first time, specifically with a JY-MCU Bluetooth module: As you can see, the antenna is on the green PCB, which is in turn soldered to a breakout ...
-1
votes
1answer
193 views

Unreliable Serial Communication between Arduino serial and Android via HC-05 Bluetooth SPP

I have an Andriod APP which connects to Arduino UNO over bluetooth( HC-05), and receives sensor readings using Serial.print() command in Arduino sketch. The App is made using APP inventor and uses ...
2
votes
1answer
35 views

Best method for trasmitting multiple video feeds at once via Bluetooth or WiFi?

If I want to transmit several video feeds via Bluetooth or WiFi what would be the best method to do so in order to save on bandwidth, increase speed, and maintain quality? I wanted to know what is ...
0
votes
1answer
55 views

Bluetooth low energy digital thermometer approvals

We have developed a bluetooth low energy digital thermometer and need to know what certification processes we need to go through to be able to sell it in the USA. I am happy about the EU and the UK ...
1
vote
3answers
82 views

Bluetooth general question about antenna

I want to ask you about Bluetooth antennas. I saw that some modules like HC-07 have a zig zag antenna on them: And others like BTM-331 do not have such an antenna: Is this antenna mandatory? How ...
0
votes
1answer
69 views

How do I tackle phone-microcontroller BlueTooth communication?

I have this bluetooth module I bought on RS a while back, and I was pretty keen to set it up with an STM32L152 development board I have handy. The only thing is, I'm not really sure what steps I have ...
-1
votes
1answer
363 views

How to use HyperTerminal for HC-05 Bluetooth module using USB to UART converter on laptop without any external MCU boards

I'm working on a project to stream audio from a Smartphone or Bluetooth enabled device to Bluetooth receiver with a speaker or headphone. So I started with HC-05 Bluetooth Module as a Bluetooth ...
2
votes
1answer
91 views

Best technology to have a specific person's proximity in a room turn on a light outside the room

I need help deciding which technology to use so that, when a specific person (1 out of 6) walks into a room, their specific ID is recognized and the corresponding colored light is illuminated outside ...
-1
votes
1answer
115 views

Can I turn normal speakers into wireless Bluetooth speakers with Bluetooth modules? [closed]

I want to turn my simple wired speakers with 8mm audio jack to wireless Bluetooth speakers which can be operated from an android Smartphone with Bluetooth module and microcontroller. (Sorry for my ...
0
votes
1answer
50 views

BlueSmirf and Adruino - TX seems not to be working

I'm testing transmission of data via bluetooth. The data are recognized by my Arduino module. But I don't get any signal come out from my bluetooth module. I have no idea how to test that. (The TX and ...
0
votes
1answer
79 views

Design RFID tag that works with Bluetooth

Is it theoretically possible to engineer manufacture a RFID tag that works within the Bluetooth wavelength range allowing a standard booth-tooth device (a phone for example) to power and pick up data ...
1
vote
2answers
78 views

Can an iphone/android cell phone communicate with RFID?

Is it possible for a cell phone to communicate with an RFID chip? I'm looking for a low-powered solution to turn a device on/off wirelessly, using a cell phone. Example: phone sends signal to RFID ...
0
votes
1answer
116 views

Bluetooth receiver as an on/off switch

Is it possibly to use a Bluetooth receiver as an on/off switch in a circuit board? Ideally, I would set the Bluetooth receiver into a low energy/sleep mode and use it simply as an on/off switch on a ...
1
vote
1answer
121 views

Bluegiga BLE112: Serial Debugging

It's my first time to post my question to this electrical engineering. Anyway, I'm trying to make a BLE gadget using a BLE112-A BlueGiga. I could update a firmware of BLE112 but I'm stuck with ...