Questions tagged [bluetooth]

Bluetooth enables short-range wireless communication between devices.

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2answers
243 views

Arduino weird bluetooth module

Recently I bought a BT module from eBay which was very cheap. I didn't really noticed the image and I just bought it. When it came I couldn't find any holes to solder the headers. Also the specific ...
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1answer
617 views

Anyone have the Maplin N97DG bluetooth shield working?

I went & impulse-bought a Maplin Bluetooth shield yesterday. It comes with a little tiny book containing examples, and uses the softwareserial library in these; I can load them, and get the ...
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2answers
457 views

Arduino or Raspberry Pi for my project

A brief description of what I'm doing here. I wanna make a pet project, basically a device (be it Arduino or raspberry pi) that I can connect to via bluetooth / wifi (both preferably), that will be ...
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1answer
517 views

Bluetooth hc-06 and Standalone Atmega168(possible?)

I am making a project that requires bluetooth communication between a Raspberry Pi(equipped with a bluetooth dongle) and a standalone atmega168 circuit. I want to be able to transfer information ...
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1answer
1k views

Send array of Infrared codes

I'm having a bit of a problem when sending IR Codes stored in variables. I swear I had this convered up already. I don't actually know the reason why I can't use variables in the first place. I ...
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0answers
171 views

Use Arduino IDE to program Bluetooth Bee standalone

Using Arduino IDE, how do I program the Bluetooth Bee Standalone? I can't select that particular board from the list under Tools -> Board. The closest I see is Arduino Fio.
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1answer
2k views

Bluetooth shield/module for file transfer?

I'm currently working on a project that requires to display images on a touchscreen on my arduino. These images are neither stored in arduino nor any memory card. I want to be able to send the images ...
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4answers
12k views

Can't program Arduino via Bluetooth (HC-06) with a Mac

I bought a HC-06 Module for my Arduino Uno the other day, yesterday it arrived and I'm having trouble using it with the Arduino IDE. I set it up, connecting 5V, GND and RX/TX crossed. After a bit of ...
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0answers
997 views

RN-52 - Bluetooth Audio Module two way communication with Android

Im planning a project that involves sending data from a door phone to an android phone and vice versa using the RN-52 chip from sparkfun. Because of the nature of the project it is necessary to be ...
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0answers
436 views

integration of GSM module and Bluetooth using arduino

Please help me. There is a conflict when I put GSM and Bluetooth module in one MCU. The problem is when I use the GSM, the Bluetooth will not respond and vice-versa.
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6answers
10k views

Lowest power possible in Arduino

I have googled all around and I know about some tricks to make ATmega328 not being a power hog. I am using Arduino Nano V3.0. However, I didn't find out what is the minimal consumption possible with ...
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3answers
338 views

Is this Bluetooth module cool for Arduino?

I am making a basic project that will have 4 or 5 arduino nodes. Each arduino will have a bluetooth module attached. The thing I want is, I want to be able for each one of these arduinos to know the ...
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1answer
286 views

What is the best way to establish wireless communication between the Lilypad and a Mac?

I want to build a wearable device for a dancer using the Lilypad and I need to first send the programme from my Mac to the Lilypad board and then transfer the data read by sensors back to my Mac. I ...
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5answers
5k views

Android <-> HC-05 <-> Arduino communication issue

My project involves Android (Samsung Galaxy 2) to Arduino (Uno) communication via HC-05. HC-05 is connected to Arduino on pins 10,11 using SoftwareSerial lib. I got this setup running for a while ...
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2answers
2k views

Programming bluetooth module JY-MCU v1.06

I have a popular bluetooth module JY-MCU version 1.06 (picture below). Before i insert it to my arduino project I want to configure the name, bound speed and the pass code using usb-to-serial link. ...
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2answers
995 views

Enabling quicker and more accurate MindWave Mobile detection?

Currently I am trying to get a Mindwave Mobile device to operate with an Arduino Uno. I'm following the guide here. However the sample code given doesn't work very well. I have been trying to get a ...
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2answers
881 views

Problem with hc-05 bluettoth module

I wrote a simple program for controlling an LED using mobile. So, I bought the HC-05 bluetooth module configured it and then connected it to the arduino. This is the code that I wrote for it. int ...
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0answers
183 views

Bluetooth module discovered by computer and not smartphones

I've been playing with Groove Bluetooth Module (HM-11) and for some reason my computer can see it, but none of my cell phones can. I've tried two Huawei P7 (BL 4.0 + BLE) as well as some Samsung ...
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0answers
504 views

Can an RFDuino Implement a BLE Host for a BLE Sensor?

I would like to prototype a bridge from a Bluetooth sensor (client) to the cellular network, using an Arduino to control the communication between the Bluetooth sensor and the internet, via the ...
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1answer
572 views

Cannot retrieve data from homemade ECG

For the past couple of weeks, I have not been able to find a solution to my problem. My problem is that I cannot retrieve the data from my homemade ECG that I created from Arduino. I am a total ...
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1answer
1k views

What is differences in usage between a HC-05 bluetooth module and a Zigbee HC-05 module?

I have seen commercial Xbee / Zigbee clones using HC-05 integrated inside. Are they any different than regular HC-05 bluetooth modules? What is differences in usage between a HC-05 bluetooth module ...
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3answers
29k views

What are the fundemental differences of different Bluetooth modules for beginners?

I'm a beginner to microcontrollers and electronics, albeit not really to computers and programming. Starting out with the Arduino, I came to a point whereby I'm really interested in getting my ...
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0answers
672 views

Wireless serial communication. Sending 4 different continuous values

I am trying to control 4 motors using 2 joysticks. I want to send continuous analog values of 2 joysticks (x & y both). I am using bluetooth HC-05. I am using the basic logic that is sending a ...
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1answer
578 views

Unable to retrieve heart rate reading and send to JY-MCU Bluetooth

Hello Arduino Community, I am encountering an issue trying to retrieve a heart rate reading from an op-amp and instrumentation amplifier and sending it via Bluetooth. I used this website as a basis ...
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0answers
1k views

Arduino sketch works on ATmega1280, but doesn't work on ATmega328 (Arduino Nano)

I'm working on arduino based RGB LED strip controller. This simple schematic was used to control 12V channels via 5V PWM signal from arduino: I have also connected an HC-05 bluetooth module to be ...
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1answer
76 views

Blend with SD Shield

Building a data logging and transmission system here. I've a RedBearLab Blend with built-in BLE capabilities and a (cheap) SD / Data logging shield that looks very suspiciously like it's copied from ...
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1answer
295 views

Arduino: The program exited the loop early and execute setup() repeatedly

I'm working with Arduino Uno, Adafruit PN532 NFC/RFID Shield and along with other modules. I'm posting this test program because I found there's conflict with the serial output while writing code to ...
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2answers
921 views

Arduino to Arduino Communication using HC05

I have been working on a project for work ( I'm a waiter :/ ) I was tasked to build a food wait time display that receives input from the kitchen and echoes the time via bluetooth to another display. ...
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2answers
1k views

Blend Micro uploading sketch

I have just got the Blend Micro board. After following the getting started tutorial I can't manage to upload sketches on the board. Now, in Arduino v. 1.0.6 I see the voices Blend Blend Micro 3.3V/...
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2answers
3k views

Necessary sampling rate

I'm using an Arduino pro mini to receive the analog signals from three sensors. I was wondering what sampling rate I should sample at in order to properly represent these signals. I know it should be ...
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2answers
2k views

How can I pair a Bluetooth dongle on arduino Yun (openwrt-yun)?

On my Arduino Yun (openwrt-yun, updated to latest version), I have a bluetooth dongle in the usb port; I have installed bluez-libs and bluez-utils (and python-bluez). They show up as version 5.13. ...
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6answers
3k views

Over-the-air upgrades?

I'd like to be able to upgrade software on an arduino without physically touching the device or stringing a cable. Can it be done? Will pick wireless protocol that makes that easiest.
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2answers
2k views

Sending multiple channels with bluetooth

I have ordered my HC-05 BT modules. My question is this: Is it possible to send multiple channels over bluetooth. For example, stereo sound has two channels. I think i have seen people do this but i'm ...
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1answer
349 views

Controll LED Strip with Arduino BLE

I'm working on this project where I have interfaced a LED strip (a two wire LED strip) with this Arduino (its not an Uno). I have setup every thing correctly according to this instructable. I'm able ...
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1answer
873 views

Using IMU for a small Arduino and bluetooth support

I'm gonna start a project with an IMU with a bluetooth support inside a small board (mini or lillypad) and send datas to the mobile phone. But I'm quite new to those kind of technologies. I'm going ...
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2answers
448 views

Communication between Arduino and iOS device

How can I get weight that has been measured by an Arduino device to show up on an iOS mobile or tablet device as a number? Thanks. Warmly, N.
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1answer
487 views

Resurrecting a fried Arduino (Bluno) USB port

Slightly distractedly, I went and connected 5V to the 3.3V pin on my DFRobot Bluno (the pins are right next to each other!) The magic smoke leaked out of the AMS1117 3.3V regulator in a neat little ...
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2answers
5k views

how to push data from an Arduino pin to Bluetooth module

I'm writing a software that can receive data from Arduino via Bluetooth. My software is pretty fine now, at least it can pair with my hardware but when I try to test whether it can receive data via ...
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3answers
4k views

Bluetooth HC-05 module returns encoded data

I have searched online, and haven't found anyone hitting this issue. Strangely my Bluetooth HC-05 is returning encoded data. I have tried using different boards - Induing, Uno, Freeduino and I have ...
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0answers
297 views

Could a bluetooth, speaker and microphone equiped arduino be used to form a range sensing swarm?

I am trying to figure out how to build a system of devices that could, on command, notify similar devices that are within a configurable distance. Maximum ranges would need to be around 20' though up ...
2
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2answers
790 views

Which wireless technology should I use for medium range, many to one, bidirectional communication?

Some clients, let's say 5 <= x <= 10, have to send information wirelessly to a server. Transmission does not need to be reliable (ACK). The range would be between 50 and 100m, and may include ...
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2answers
836 views

Arduino Packet for Bluetooth

I'm having trouble figuring out how to start my project. The objective is to control a robot with four servo motors and six DC motors through bluetooth. I have a bluetooth shield from Adafruit and I'm ...
5
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2answers
7k views

Bluetooth HID module

I try to build custom controller and now searching for bluetooth hid module. Which BT HID module compatible with arduino? (not bluetooth serial) List of some modules: BlueSMiRF HID - from sparkfun, ...
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2answers
764 views

Help with wiring? Fritzing example inside

I am trying to prep my wiring for a 8x8 Led Matrix w/ Bluetooth according to the following instructable: http://www.instructables.com/id/Arduino-SPI-7-Bi-color-LED-Matrix-Scrolling-Text-D/?ALLSTEPS ...
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0answers
1k views

Sniffing Bluetooth Packets

I'm attempting to create something similar in nature to the Ubertooth one. I'd like to sniff Bluetooth packets using the Arduino. I've found a few nRF24L01+ wireless modules, which appear to operate ...
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1answer
694 views

Arduino Uno R3 Bluetooth Shield is not discovering in any of the device

I have a problem regarding Seeedstudio Bluetooth shield http://www.seeedstudio.com/depot/Bluetooth-Shield-p-866.html I can't detect its presence by any other devices. The code I uploaded to Arduino ...
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2answers
411 views

Using Bluetooth Dongle on Arduino

I need to communicate my arduino by bluetooth but I'm living in a small town recently so I can't buy a bluetooth shield for my arduino. Here is my question: Can I use a usb bluetooth dongle on my ...
3
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1answer
1k views

Bluetooth Master and Slave to track device's locations

I'm trying to create an app for my science fair that uses bluetooth to track people in a determined place. I was thinking about one Arduino system to receive all the information and transmit through a ...
2
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2answers
345 views

Cheap medium range wireless communication with a linux PC

I have a project that's currently using Arduino Uno with a cheap class-2 bluetooth serial adapter from ebay to send and receive data and control a LED light strip. However, it struggles to establish ...
4
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1answer
624 views

HC-0# Bluetooth module questions

I've been playing with the HC-06 BT module lately, but now I want to do more with it and I'm not sure how to. I was wondering if it's possible to get signal strength from the module, or would I have ...