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Questions tagged [bluetooth]

Bluetooth enables short-range wireless communication between devices.

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1answer
1k views

Can't run two separated DC Motors

I'm trying to build Bluetooth RC car, but I can't run only one DC motor.. only both of them. Everything works fine, the bluetooth, the app but when i try to go forward/backward/left/right nothing ...
0
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1answer
116 views

Reverse engineering of a bluetooth sensor

I have a problem. I'm trying to trigger some events with Arduino using some bluetooth LE sensor by a chinese manufacturer, Kaipule. I buy this sensor on Alibaba and I'm trying to understand how can I ...
0
votes
2answers
6k views

Identify UUID of HC-06

I'm currently learning about using BLE with Arduino and iOS. From what I understand (correct me if I'm mistaken), each type of BT device has a UUID. I'm using a HC-06 module connected to my Arduino. ...
0
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1answer
3k views

Cannot assign COM port to HC-05 bluetooth device

I can't set a COM port to my paired BT module. For better understanding I recorded a YouTube video to make sure I show everything. Hardware: Arduino Nano knock-off by RobotDyn (atmega168) Bluetooth ...
1
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1answer
42 views

Which sensor i can use to transmit some values from Arduino Uno to phone using bluetooth? [closed]

I want to transmit some values from arduino uno to my phone using bluetooth. Which sensor i can use?I want to see some options because i'm a little bit uncertain.Thanks to all which can give me an ...
1
vote
1answer
432 views

Arduino Nano (3.0) Use an USB Bluetooth stick

I was thinking to build a very small USB Audio Streaming device with aux output for an amp (I know they already exist, but I like the self invention). So I bought an Arduino Nano and a USB Bluetooth ...
1
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0answers
56 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
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2answers
77 views

What options do I have to wirelessly connect my computer to an arduino?

For my project I have an arduino Uno connected to my robot. I need to control it wirelessly. I have thought of using a bluetooth module , but I need a larger range. Then I thought of using an RF-...
1
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0answers
271 views

Bluetooth and EEPROM [closed]

I want to send a file(text document) from PC to Arduino UNO via Bluetooth and store it in EEPROM. How do it? And I want to display this text document on Graphic LCD Nokia 5110. I have tried ...
0
votes
1answer
33 views

Arduino shield bluetooth

I have this arduino motor shield, and I want to connect a Bluetooth module, but don't know how (the tx and rx pins are used by the plate). Tried to sold it but now I don't have the tin to do it. So I ...
0
votes
2answers
1k views

Writing a float to a BLE characteristic. What data format?

I am currently working on a python-based Bluetooth Low Energy client for OS X and I got stuck while trying to write a remote float characteristic value. First of all: my setup is an Arduino 101 with ...
1
vote
1answer
287 views

How to connect Flora 2 and nRF8001 BLE Breakout

I'm trying to get the nRF8001 BLE Breakout polling properly on Flora but Adafruit's tutorial and everything I've read and hunted around but I'm new to Arduino and not really sure how the ...
0
votes
1answer
1k views

GSM and Bluetooth modules on 1 Arduino Uno board

I couldn't find anything on this topic. Task: to connect sensors to Arduino board via Bluetooth module, process the received data and then send the data to server via GSM module. Question: Is it ...
5
votes
2answers
730 views

Why is there a plastic sleeve on my HC-05 bluetooth module [closed]

I would like want to know why the bluetooth module has a plastic sleeve covering it? Is it possible to remove it?
1
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0answers
227 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 ...
2
votes
1answer
93 views

Do I need an Arduino for BLE?

I have built a prototype that uses RedBear Lab's Blend micro board (http://redbearlab.com/blendmicro/). The board combines Arduino and a BLE chip (Nordic nRF8001). The application is fairly simple ...
1
vote
1answer
50 views

ble_write slows down my sketch causing problems (Blend Micro & NRF8001)

I'm working on a prototype which uses the RedBearLabs Blend Micro with the NSC's nrf8001 ble chip, but have ran into a problem that I'm not sure how to solve. I have two tactile buttons connected to ...
1
vote
1answer
508 views

Receive data from multiple wireless sensors simultaneously

I want to receive data from multiple (2/3) wireless sensors at the 512 Hz data rate simultaneously at a single receiver (bluetooth or any other wireless standard). Is it possible with one receiver or ...
0
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1answer
531 views

Arduino programming through HC06

My goal is not upload sketch to Arduino Pro mini through bluetooth module HC06. I have made a breadboard version of DTR signal simulator which takes LED status pin as a source. The output from the ...
1
vote
1answer
2k views

Find RSSI of Mobile Device Without Connecting

I have a device in which a user connects their mobile device to an arduino uno via a HM-10 bluetooth transponder. I want to be able to calculate the approximate distance between the user and the ...
3
votes
0answers
5k views

HC 08 Module with Arduino Uno [closed]

I recently bought the HC 08 Bluetooth module (link here). As the specs state, this module supports Bluetooth 4.0 which indicates that it supports BLE (Bluetooth low energy). My goal is to be able to ...
1
vote
0answers
1k 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
votes
1answer
758 views

Connecting Bluetooth module to Arduino Uno without RX/TX pins

Can I connect a Bluetooth module to usual digital pins, other than D0/D1 (RX/TX) pins as the shield is already using the D0 and D1 pins? My Bluetooth module is an HC-05 MODULE.
2
votes
1answer
9k views

Sending data via bluetooth

I am trying to both send and receive data using bluetooth module. Receiving data works fine with this code: void setup() { Serial1.begin(9600); Serial.begin(9600); } void loop() { if ...
1
vote
2answers
1k views

Using two software serial - two UART

I have ATMega328p chip, and I have HC-06 on pin A5, A4 (RX, TX) and I have another device on pin 10, 9 (RX,TX). I want to be able to send some command on BT via Bluetooth Terminal and pass raw (...
1
vote
1answer
110 views

Bluetooth radio control of a motor

I need to purchase the correct bluetooth module for interfacing some simple functionality between an arduino and a motor. The tricky bit is getting the bluetooth radio to play nice with android and ...
0
votes
1answer
3k views

Sending data using Bluetooth SPP-C Module without a Breakout-Board

tl;dr I can't send data using the raw SPP-C Bluetooth module without a breakout board. The communication via UART works fine as I am able to issue AT commands and get proper responses. But when ...
0
votes
3answers
317 views

I want to log GPS coordinates using my Arduino and other sensors

I want to log GPS coordinates using my Arduino and other sensors. The difficulty is that I will be in forested conditions. Would it be better to hardwire a gps device to the Arduino or to bluetooth ...
0
votes
1answer
533 views

Send sensor information to processing

I am currently working on an Arduino project where the Arduino will send data to a processing program via bluetooth and processing will draw the data. However, my code doesn't seem to work. Here is ...
0
votes
1answer
660 views

Convert a Double to an UnSigned Char

So, I'm working on RedBear Blend Micro V 1.0, and I must use the function: ble_write(Serial.read()); To read some input from the serial monitor(Input being stuff I type in the Serial Monitor) and ...
1
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0answers
156 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 ...
0
votes
2answers
186 views

Bluetooth module is neither sending nor receiving data at baudrate(115200)

Im sending data between my arduino and android via bluetooth, using a simple chat app called "Bluetooth Terminal" . the code work perfectly at baudrate(9600) but I need to increase the speed to that ...
1
vote
2answers
370 views

Switch statements with Bluetooth serial input not working

I am trying to control the brightness of an LED using PWM. I am also trying to make it so that when I click a button on my bluetooth app, I can get it to change the frequency of the PWM pin. For ...
0
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2answers
335 views

Relay switching problem with ATmega328P + 10 relays

I am trying to switch ON/OFF 10 relays connected to ATmega328P via Bluetooth HC-06 module. The problem I am facing is that when I try to Switch ON more than 3-4 relays, some of the previously ON ...
1
vote
1answer
1k views

How to make a Smart Light Bulb? [closed]

I was wondering what I would need and what I should do, to make a Smart Light Bulb, like the Hue one from Philips. I know these light bulbs can be controlled by their Apps from the smartphone, is ...
0
votes
1answer
339 views

Bluetooth module as MCU?

Can I use Bluetooth Low energy devices as micro controllers directly instead of communicating to Arduino e.g. HM-10/11 or even HC-05/06 ? If so what are limitations e.g. can I hook sensors or control ...
1
vote
3answers
2k views

Connect 2 Arduino UNOs via Bluetooth? (HC-05 and HC-06)?

So I've researched this topic a lot online, but haven't found what I'm looking for. Before I tell you this, I'll give you guys an idea of what I'm trying to accomplish. Please understand that I'm an ...
0
votes
2answers
1k views

HM-10 discovery issue

i am not able to detect any android device on my bluetooth HM-10 module which is connected to arduino. i am able to see my bluetooth module on my android phone. but i want to see android phones on ...
-1
votes
1answer
524 views

How can I record something using an arduino and use bluetooth to search those terms on google now?

I'm trying to build something that can use voice recognition to search something up. I am planning to use this small module for the mic (https://www.sparkfun.com/products/12758), because I want to ...
2
votes
1answer
10k views

Want to create bluetooth audio control (volume up/down, play, pause, etc.) for smartphone

I want to create a bluetooth remote audio control to control smartphone audio, essentially identical in function to this type of equipment: https://www.amazon.com/FAVOLCANO-Bluetooth-Button-...
0
votes
1answer
264 views

Audio Input into A0?

I saw a YouTube Video of someone who used an aux cord input into pin A0 on their Arduino to control a strip of LEDs. I have a strip of Adafruit's RGB NeoPixel LEDs, but I'm not sure how to input my ...
1
vote
2answers
2k views

Read BLE Characteristic Value in Arduino Uno

I am trying to build a Smart Led project using Arduino Uno, RGB Led, HM-10 BLE module, and Android device. I am able to connect HM-10 with my android device and read and write characteristic values ...
0
votes
0answers
41 views

Murata Type ZY BLE

Previously I was using HM-11 BLE module with Arduino Lilypad in order to communicate between Arduino and Android phone. HM-11 was well documented and supports AT commands so I was able to program it ...
0
votes
1answer
542 views

Lighting LED Strip via HC-06 Bluetooth Module

What I Am Working With: I am working on a project involving an Arduino, some RGB led strip, and my PC. My Project: The PC sends UART (serial) data to the Arduino over Bluetooth (through a HC-06 ...
1
vote
2answers
408 views

Using only Rx pin to receive data from HC 05 and attiny85 (Arduino IDE)

I was building a Bluetooth car with attiny85 (Arduino IDE) and HC05 bluetooth module. I need 4 IO pins to control the car. Since attiny have only 5vIO's, I am left with only 1 pin to connect to HC05. ...
0
votes
2answers
185 views

Operating two functions simultaneously

I have connected a bluetooth module(HC-06) and a voice recognition shield(EasyVR) on an arduino UNO. By using an another HC-06 on the another arduino(so, 2 arduinos and 2 HC-06 totally), I am going ...
0
votes
1answer
2k views

Unable to issue any AT commands to BT BLE Breakout Board

I'm a programmer, more from the software side but I do have hardware working knowledge too. I've completed the Arduino Starter Kit's 15 projects, Now trying to build some things with ESP8266 and HM-10 ...
0
votes
1answer
472 views

Using HC-05 to play a sound on an app

I connected a HC-SR04 Ultrasonic Sensor to Arduino Uno and built the circuit as shown in the link below. I also used the code below the link. Together, this code and the circuit detect any motion that ...
0
votes
1answer
1k views

Looking for a wireless soil moisture sensor

I am new to arduino and have a basic question. I want to build a sprinkler controller system for my lawn which would detect moisture in the lawn soil and automatically starts the sprinkler controller ...
1
vote
1answer
438 views

Serial Communication to WPF (Windows Presentation Foundation) giving me odd results. How do I clear up the Strings I am receiving?

I'm trying to make a voltage/temp logger that will post to SQL. I'm using a WPF to make kind of a UI for people to measure the voltage of a cell, and take the temp of the battery acid in the battery. ...