A low-power short-range wireless protocol.
0
votes
0answers
12 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
votes
0answers
18 views
BT to CDC serial over USB
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 ...
-1
votes
0answers
22 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
votes
1answer
16 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
27 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
195 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
votes
0answers
24 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
39 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
votes
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
57 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
votes
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
47 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 ...
0
votes
0answers
13 views
can't get arduino fio with bluetooth be to pair
I can't get my arduino fio with bluetooth bee paired with my mac. I got my application working with a different board (arduino uno) and USB connection. The code I'm uploading to my arduino fio is ...
0
votes
0answers
17 views
Bluetooth CSR8670 - How to make the kit discoverable? [on hold]
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
29 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
153 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
88 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
75 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
32 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
44 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
71 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
35 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
49 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
85 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
40 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
137 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
55 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
81 views
I get back wrong chars from bluetooth module (uart)
I would like to communicate between my atmega8 controller and PC via a HC 06 bluetooth module.
I should get back the same char what I send, but I get some wrong chars.
The BT module uses 9600 ...
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
270 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
174 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
68 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
333 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
90 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
109 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
43 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
69 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
72 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
112 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
118 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 ...
0
votes
1answer
101 views
Bluetooth Headset to Bluetooth Transceiver
I have a little bit of experience with Bluetooth and Arduinos but I was wondering if anyone might be able to tell me if it is possible for a Bluetooth headset to be linked to a Bluetooth transceiver ...
0
votes
1answer
57 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
votes
1answer
43 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
votes
2answers
121 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
votes
1answer
35 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 ...