Stack Exchange Network

Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [bluetooth]

Bluetooth enables short-range wireless communication between devices.

3
votes
0answers
443 views

Connecting Mac to Adafruit Feather 32u4 Bluefruit LE over serial

The Adafruit board connects fine over USB serial, and fine over Bluetooth to a mobile app, but it will not connect to a Mac serial monitor over Bluetooth. Is there any way to use the Adafruit's ...
2
votes
0answers
958 views

How can I connect an arduino to a raspberry pi via an HC 05 bluetooth module and transmit data?

I am currently undertaking a project where I am attempting to build a bluetooth thermometer using an arduino. I have the temperature sensor working and returning temperature readings via a usb ...
2
votes
0answers
1k views

Arduino Bluetooth data (large data files) transfer efficiency using HC05 module

Im using an HC-05 Bluetooth module connected to my Arduino MEGA. The Arduino has an SD card with some data files stored (sensor readings). After the sensor readings are done, the Arduino then connects ...
2
votes
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 ...
1
vote
0answers
31 views

Can I configure pairing for HC-05 and Arduino, and use the HC-05 without Arduino after?

I have a system that is outputting data via its serial, and I need to relay that data to my PC wireless-ly. If I were to setup an Arduino and HC-05 at the system's side to relay the data, that would ...
1
vote
0answers
111 views

SerialBT.begin(“name”) now causes brownout in ESP32

I'm attempting to run the example sketch SerialToSerialBT.ino. It's a pretty commonly used sketch. I successfully loaded it on one of my ESP32 chips last week, and was able to use a tablet serial ...
1
vote
0answers
206 views

Is there a module that will allow me to pair a bluetooth keyboard to an arduino?

I want to pair a bluetooth keyboard to an arduino project, so that pressing a key on the keyboard causes an action to happen on the Arduino. Let's say that pressing Q on the keyboard makes an LED turn ...
1
vote
0answers
60 views

HC-05 and cheap Nano clone not powering on

I have a HC-05 module which works absolutely fine with an Arduino Uno. Because I need to reduce the size of it, I tried using an Arduino Nano. After correctly wiring it up to the Nano, sometimes the ...
1
vote
0answers
560 views

Send readings to PC using HC-05

My project, briefly explained is a weather station that will send data periodically from an Arduino UNO (later an attiny85) to my PC for processing. I'm using a HC-05 bluetooth module to establish a ...
1
vote
0answers
1k views

Send Bluetooth Data to Android App (HC 05)

I'm struggling to send data strictly from my arduino UNO to an android app using bluetooth module HC 05. I am able to send/receive using 1) the serial monitor in arduino IDE and 2) Bluetooth Chat ...
1
vote
0answers
148 views

Arduino Motor Shield not working properly

I am currently making a project which includes a car controlled by the Arduino Motor Shield. I have written a code to control the motor shield via Bluetooth. However, the code doesn't seem to work. I ...
1
vote
0answers
212 views

Arduino hardwareSerial Bluetooth.println not sending string over 310 chars

Hey all I am wondering if my code below can be modified in order for the arduino to send more than 300 chars to a HM-10 bluetooth 4.0 le module? #include <SoftwareSerial.h> #define ...
1
vote
0answers
229 views

Triggering actions in Android smartphone via Bluetooth from Arduino

Am working on a wearable using Arduino Micro and I am thinking it would be cool if I can trigger some events in my smartphone using Arduino. Say for example a button press in my wearable should ...
1
vote
0answers
149 views

Scheduling and BLE Read on demand

I'm building a data logging device with BLE capability using RFduino. Sensors are read using timer interrupt to a buffer. When the buffer is full, then the whole buffer is written to SD card. At the ...
1
vote
0answers
669 views

'SoftwareSerial' does not name a type in Adafruit Feather M0 Bluefruit LE

I am trying to create a software serial connection between Arduino Uno & Adafruit Feather M0 Bluefruit LE. I am getting the following error in the M0 sketch: Arduino: 1.8.1 (Windows 10), Board: ...
1
vote
0answers
366 views

I can't receive data from Arduino through Bluetooth

I am developing an app that controls an Arduino robot. For that I need to communicate through Bluetooth. That means sending and receiving data. Why receiving? Because I also have sensors on the robot. ...
1
vote
0answers
388 views

Arduino + HM-10/11 + ANCS to get notifications for iPhone

I am wondering if there are any current solution to receive notifications on iPhone through ANCS and HM-10/11 Bluetooth LE module. An Arduino library? https://stackoverflow.com/questions/28488529/is-...
1
vote
0answers
58 views

Maplin Bluetooth Shield for Arduino - BAUD rate

I am currently using a Bluetooth shield which i bought from maplin, see: http://www.maplin.co.uk/p/bluetooth-shield-for-arduino-n97dg. I have got it to work perfectly on the default 38400 BAUD , but ...
1
vote
0answers
246 views

Enable BLE pairing on request

I have a prototype using RedBear Lab's Blend micro platform (http://redbearlab.com/blendmicro/). I am able to discover the BLE chip on my iPhone and connect / control the unit. However, the device is ...
1
vote
0answers
2k views

Sending data from Arduino w/HM10 to relay board with hm12

It all started when I tried connecting an hm10-nano to a relayboard which is bluetooth enabled. Here is my nano with the hm10 module: And here is the relay board's bt module, which looks like an ...
1
vote
0answers
165 views

How to filter out “jumpy” readings sent using Bluetooth

I'm using App Inventor to continuously send orientation values (as strings) to my Arduino, which are read using Serial.parseInt(). Using simple IF statements (if value > threshold), I'm trying to turn ...
1
vote
0answers
127 views

Cannot connect device with nRF8001 Bluetooth LE to Windows 10 PC

I've built a device using an IMUduino board, which is supposed to be similar to Arduino Leonardo board with a nRF8001 bluetooth. I was able to connect my device to an Android phone using the nRF UART ...
1
vote
0answers
73 views

Redbear BLE v4.1 - Daisy Chains?

Has anyone in SE land tried daisy chaining BLE v4.1 or v4.2 devices? I'm embarking on my next project and would like to try daisy chaining BLE devices. The only device I've found is the RedBear Nano:...
1
vote
0answers
57 views

Can I turn a headset with a cord into a bluetooth headset with multiple connections?

I'd like to connect Arduino with bluetooth shield to multiple bluetooth devices (TV & baby monitor), plug a corded headset into the contraption, sprinkle LEDs on top, and do the following: If ...
1
vote
0answers
2k views

Arduino Pro Micro and HC-05 Bluetooth module

I am using Sparkfun Arduino Pro Micro with an ATmega32u4(3.3v, 8MHz) on it (https://www.sparkfun.com/products/12587) and a HC-05 Bluetooth Module. I also running this on Windows 10. I've made these ...
1
vote
0answers
351 views

HM-10 and Arduino Due

I am trying to communicate between HM-10 module (without any breadboard or soldering) and experience problem with reading data from serial. Here is the code: #define TO_HEX(i) (i <= 9 ? '0' + i : ...
1
vote
0answers
638 views

How to get the name of the device connected to the bluetooth?

Recently, in the supermarket, I've seen a speaker that tells you the name of the device connected to ut via bluetooth. Now, I want to a portable speaker powered by bluetooth with arduino, and I want ...
1
vote
0answers
34 views

Arduino Bluetooth Shield

A friend of mine bought two of these Bluetooth shields here. I have been trying to get the two Arduinos connected to each other through Bluetooth. I could not get it working myself but I found some ...
1
vote
0answers
356 views

Is it possible to calculate distance with the HC-06 bluetooth module without having BLE support?

I have a HC-06 bluetooth module and I want to make a project that constantly calculates the distance from an android phone. Is this somehow possible without having a bluetooth 4.0 module?
1
vote
0answers
349 views

Problem using Adafruit nRF8001 (BLE) with Ethernet module on Arduino Nano

I'm working on Arduino Nano and I have to use both the Bluetooth LE module Adafruit nRF8001 and ENC28J60 Ethernet module using Ethercard The idea of the project is to receive data from smartphone via ...
1
vote
0answers
290 views

Send data from computer to phone through bluetooth - Bluetooth SeeedStudio Shield V2.1

So I bought a Bluetooth Shield from SeeedStudio lately (V2 model) and goofed around with it a little bit. I'm using my HTC One M8 to communicate with it just to send some dummy words. Whenever I send ...
1
vote
0answers
473 views

Bluetooth help with Arduino Due

I have been able to establish a successful connection between an RN-42 Bluetooth module and Arduino Uno, but I could not do the same with an Arduino Due. The module connects to the phone but whatever ...
1
vote
0answers
26 views

Lightblue Bean BTLE tinkering

How does one modify the Bluetooth settings, like services or pincode, on a light blue bean? Ps I'm on Android http://legacy.punchthrough.com/bean/ if you don't know what I'm talking about
1
vote
0answers
2k views

MPU6050, Bluetooth — FIFO Overflow and Breakdown

I am quite new to all the arduino stuff and right now I am struggling with a Problem that seems to be easy, but I have honestly no idea how to deal with it. I would like to read the data from a ...
1
vote
0answers
30 views

Problems with Arduino BT

I have an Arduino BT and I can't connect it to any device I have. I've tried in 3 different situations: Win7 - If I choose 'Connect without a PIN code', the device seems properly detected but it ...
1
vote
0answers
49 views

How to reset Arduino Uno over BLE?

I'm working on wireless uploader for Arduino over BLE. I've managed to make it working for Arduino Mega 2560 using GPIO and HM-10 AT commands to control GPIO pins. I'm using pretty the same schematics ...
1
vote
0answers
81 views

Creating a keypad matrix that will communicate wirelessly with an Arduino Uno

I have a 30 button matrix and I would like to use a keyboard encoder to decipher what button was pressed. I would like that information (what button was pressed) to be wirelessly sent to my arduino ...
1
vote
0answers
840 views

Bluetooth Module AT command error?

I am trying to get my Arduino UNO to communicate with a Bluetooth Module (Bluetooth Bee), but I am getting a weird behaviour from the device. First, there are no leds blinking on the board (which I ...
1
vote
0answers
160 views

Arduino Mini Pro 3.3 V Issue with Bluetooth Mate

I have an Arduino Mini Pro 3.3 V powered from a coin cell(3.6 V, CR2450) and connected to Bluetooth Mate Gold. I have checked the connections and they are fine. I can also connect to the bluetooth ...
1
vote
0answers
98 views

Arduino not responding while trying to flash over BLE

I'm working on wireless uploader for Arduino from iOS devices. I'm using HM-10 BLE module which seems to work ok. PIO 2 is used as DTR for resetting (see A [0x41] T [0x54] + [0x2B] P [0x50] I [0x49] O ...
1
vote
0answers
107 views

YUN as BT keyboard

Sort of a follow up to Yun as bluetooth master, but this is to get the yun to act as a slave device. Specifically, I want it to be a BT keyboard. I could probably do it on my own, but I need to find ...
1
vote
0answers
302 views

Yun as bluetooth master

How does one make an outgoing bluetooth connection? I have already installed packages for bluetooth, and have run hcitool scan to find the BT address. And I'm using a USB BT dongle. Output of lsusb ...
1
vote
0answers
44 views

WLAN module compatible with ArduiMU V3+

Current I use my ArduiMU V3+ with a Bluetooth Mate (from Sparkfun) but I've got a lot of connection problems with it. I'm looking for a better solution involving WLAN and am wondering whether there ...
1
vote
0answers
596 views

Feedback Request: HID USB to Bluetooth Relay

Bluetooth Relay Project: Develop a USB to bluetooth adapter for my mechanical keyboard. Using a USB host shield, have an Arduino Pro Mini read keyboard usb commands and repeat them over bluetooth. ...
1
vote
0answers
334 views

Bluetooth shield with ardudroid RGB LED

Here is their code: /* PROJECT: ArduDroid PROGRAMMER: Hazim Bitar (techbitar at gmail dot com) DATE: Oct 31, 2013 FILE: ardudroid.ino LICENSE: Public domain */ #define START_CMD_CHAR '*' #...
1
vote
0answers
1k views

Arduino code issue (using Bluetooth and Rfid technology)

I am building a device that communicates with my Android phone. I know that my App works but my Arduino code seems to have a problem. So I have made a smaller programm and everything works fine there. ...
1
vote
0answers
814 views

HC-05 and HC-06 Bluetooth not communicating well

Please I am trying to communicate between two arduino UNO. One has a HC-05 which is configured as master, the other arduino has HC-06 which is the slave. What I want to achieve is to be able to print ...
1
vote
0answers
929 views

HC05 to HC05 Handshake Communication

I am attempting to connect an Arduino Uno to a Modern Device RBB Arduino. One is the base and the other the remote. They need to set up a simple handshake to communicate an on and off condition from ...
1
vote
0answers
89 views

Don's NDEF library and bluetooth

I am trying to connect my Android smartphone with my Arduino Uno by sending a NDEF message to my phone. I know that the MIME type for bluetooth is application/vnd.bluetooth.ep.oob but in my PN532 ...
1
vote
0answers
268 views

DFRobot Bluno + Relay Shield

I'm a new to all things electronics and I'm having trouble using a DFRobot Bluno V2 with a DFRobot Relay Shield for Arduino V2.1. For testing purposes I've done the exact same circuit as represented ...