Questions tagged [bluetooth]

Bluetooth enables short-range wireless communication between devices.

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2answers
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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. ...
8
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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.
0
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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 ...
0
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1answer
351 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 ...
1
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1answer
882 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
452 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.
2
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1answer
491 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 ...
0
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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 ...
5
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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 ...
1
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0answers
301 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
791 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 ...
1
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2answers
860 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, ...
0
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2answers
766 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 ...
1
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0answers
2k 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 ...
0
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1answer
697 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
415 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
346 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
627 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 ...
1
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2answers
3k views

Bluetooth module(HC05) works with Arduino Uno but not with breadboard (ATmega328)

I am currently working on a project that requires communication between an android phone(galaxy s4) and an ATmega328 microprocessor. To connect these devices wirelessly I'm using an HC05 bluetooth ...
1
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1answer
2k views

HC-06 Bluetooth module and slow communication [closed]

I'm communicating from an Android command line Bluetooth app interface to my Arduino. The Arduino is using a HC-06 Bluetooth module. The Arduino is supposed to receive this data and act accordingly. ...
0
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1answer
1k views

How to connect mini jack output to arduino mini pro and send sound to it?

I would like to connect arduino mini pro to mini jack output and send sound through it. What would I need here, how can I connect the mini jack to arduino and how to send data of sounds (any library?)...
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5answers
12k views

Programming arduino via bluetooth module issue

I followed a tutorial on how to setup arduino and bluetooth so it can be programmed without usb cables. I didn't use capacitors or resistors asthere doesn't seem to be a need for them. I have the ...
-2
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1answer
1k views

Cheapest way to connect android device to arduino wirelessly

I'm building a simple RC car which I want to control using android phone. The phone has bluetooth and Wi-Fi. My questions is what will be the cheapest way to connect the two devices at about 50-120m ...
6
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5answers
32k views

Arduino Pro Micro, get data out of Tx pin?

I have a Sparkfun Arduino Pro Micro with an ATmega32u4 on it and a Roving Networks RN32 Bluetooth Module Theoretically, I should be able to solder the Rx of the Bluetooth to the Tx on the arduino and ...
3
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1answer
163 views

Which voltage regulator should I use? [closed]

A friend and I are working on building a smartwatch on a budget, so it’s a (very) low power project, but we are currently having a problem with the power supplying. We already chose this board, ...
1
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1answer
263 views

How to catch the Enter key received by Bluetooth?

I got some code to receive characters from Bluetooth and code and print it back to the LCD display. However, want to detect the Enter character to be the input signal, in other words, not to print ...
2
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1answer
823 views

Creating a wireless remote

I am trying to create a wireless remote control to control a servo motor via Bluetooth. What all do I need to establish this? I did some research and found the following: Tinyduino Bluetooth low ...
4
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4answers
6k views

How do I connect Arduino to a Bluegiga112?

I am a new user of Arduino (I have a Arduino Due) and also I am a new user of BLE112 (Bluegiga module 112) My teacher told me to make the BLE112 advertisable and furthermore he told me to look for ...
1
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2answers
3k views

Arduino Serial Monitor only returning Null Characters

I'm trying to simply access my HC_05 bluetooth module and conduct some AT commands through the Serial Monitor. For some reason though, it only seems to be returning Null characters, though it does ...