Bluetooth enables short-range wireless communication between devices.
0
votes
1answer
13 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 (...
0
votes
0answers
8 views
What is the input for the DFROBOT 3W mini audio stereo amplifier?
Online spec says nothing about input.
I want to use this as a shield on the Particle Photon, which is receiving audio stream from WiFi and needs to output to amplifier and speaker.
(I need open ...
0
votes
0answers
6 views
what shields receive Bluetooth non-LE audio stream, decide, and output analog?
Are there any Arduino-compatible shields that will let me:
1. receive stereo audio stream by Bluetooth (non-BLE) and then;
2. convert this stream into analog output to speakers?
0
votes
1answer
13 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 ...
-1
votes
1answer
29 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
2answers
15 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
0answers
19 views
HM-10 arduino Bluetooth pairing with Android device
how to pair HM-10 arduino Bluetooth pairing with Android device ? when i tried to pair the bluetooth module with PC , it shows connected even though it didn't ask me to enter password, however when i ...
0
votes
1answer
17 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
27 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
vote
0answers
28 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
20 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
1answer
18 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
votes
2answers
40 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 ...
0
votes
0answers
14 views
Detect ibeacons with bluetooth low energy sensor with external antenna
I'm working in a project to read ibeacons with BLE sensor. Now, I'm using the HM10 sensor that uses Texas Instrument's cc2540/cc2541 chips and it works fine but it has internal antenna.
I'm looking ...
1
vote
1answer
56 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
34 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 ...
0
votes
1answer
43 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
31 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 ...
0
votes
1answer
33 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 ...
0
votes
0answers
9 views
Force sensitive resistor data logging with Flora and BLE
I would like to swap out the light sensor in this Flora BLE data logging tutorial for a force sensitive resistor. https://learn.adafruit.com/datalogging-hat-with-flora-ble/overview
Can anyone help ...
0
votes
1answer
56 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
80 views
Bluetooth Socket connection with HM-10 [on hold]
I'm using HM-10 4.0 Bluetooth module. I have written an android app. Upon starting the app it will discover nearby bluetooth devices. If it finds my HM-10 Bluetooth module then it pairs with HM-10 ...
0
votes
0answers
51 views
Low Power Mode on Blend Micro
I am making a project which envolves an arduino (redbear blend micro) . Basically I followed the getting start procedure to put things working in the IDE and it's done.
For now, in order to save ...
0
votes
1answer
48 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 ...
0
votes
1answer
68 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
19 views
Murata Type ZY BLE
Previously i was using HM-11 ble module with Arduino lilypad in order to communicate Arduino and Android phone.
HM-11 was well documented and support At commands so i was able to program it really ...
0
votes
1answer
67 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
53 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
0answers
9 views
Sd card initialization failed HR911105A [duplicate]
This program worked Well but after a simple modification SD card initializing failed Shown . & ethernet shield HR911105 temp. is rising . Can anyone tell me either is there any kind of software ...
0
votes
0answers
22 views
slow transmission when using RF 315Mhz and bluetooth
I am creating game controller using Gyroscope these data will be transmitted from slave Arduino to master Arduino using RF315
then these data will be transmitted to android phone via Bluetooth.
...
0
votes
2answers
33 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
36 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
0answers
17 views
Bluefruit Ez-Link reconnecting after power off or range exceeded
I have an Adafruit Bluefruit EZ-Link module connected to an Arduino. The Bluefruit is paired to my laptop (running OSX El Capitan) and once paired and a connection is a made everything works as ...
0
votes
1answer
38 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
65 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 ...
0
votes
1answer
33 views
Serial Communication to wpf (windows presentation foundation) Giving me odd results. How do I clear up the Strings I am receiving
Ok, So 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 ...
0
votes
0answers
23 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 ...
0
votes
0answers
62 views
Arduino SimbleeCom onReceive function slow
Issue
I am not able to reliably receive more than two bytes ever 20ms using the arduino SimbleeComm_onReceive function due to timing issues.
Background
I am building a system that requires at least ...
1
vote
0answers
49 views
How do I solve error 516 : Broken Pipe with HC-05 and arduino?
I am doing an LED project from howtomechatronics.com . It is to control and LED by pressing the on and off buttons on an arduino bluetooth terminal app. I am using the app made by the ...
0
votes
2answers
122 views
Arduino Uno's RX and TX lights not blinking. Unable to upload sketches!
When arduino starts up, RX TX lights doesn't blink. Only the PIN 13 and Green light turns on. Pin 13 light blinks thrice before getting stable. RX TX lights are not blinking at all. I am not able to ...
0
votes
0answers
38 views
sending words in serial
I created a simple project to send commands from an android device to arduino via Bluetooth , using MIT App inventor ,
the issue is that when I send a word for example "BLUE"
in the serial it ...
0
votes
2answers
71 views
Bluetooth sending values from two joysticks
Is there any good way of sending values from two joysticks from arduino A to arduino B? I tried sending using if statements, so if the Y- or X-axis' value changed then it would send that, but the ...
3
votes
1answer
30 views
Value of joystick reduces when I send it over serial
I've got two arduino cards and two bluetooth bluesmirfs. I am currently trying to read value from a joystick and send it over to the other arduino card and use that value to control my servo motor.
...
0
votes
1answer
167 views
Send Photo with Arduino Uno
I'm new at Arduino projects. I googled but I couldn't get quite answer.
I've got:
Arduino Uno R3 Clone
4 pin push button
3 color RGB LED Module
HC06 Bluetooth-Serial Module Card
Arduino PIC ...
0
votes
0answers
45 views
low power bluetooth mode?
I am an electronics hobbyist using an Arduino nano with a HC-05 bluetooth module for coms with my smartphone.
I have an app where the HC-05 will be dormant for a long time, days at a time, and I'd ...
1
vote
2answers
41 views
Accelerometer IoT
I am not sure if I am in the right place. I would like to build a device (as small as possible) that has an accelerometer and can talk to my phone via bluetooth. Im not asking anyone to build this for ...
1
vote
1answer
170 views
Having a problem to control digital servo with HC-06 bluetooth module
There are two problems to control digital servo(HD-1810MG) and HC-06 bluetooth module connection.
When I put a specific number to servo(in the video, I put 45), it shakes too much and shows useless ...
0
votes
2answers
123 views
Convert uint8_t array to ascii character for serial transmission
I am trying to send packets of via bluetooth data that include 6 bytes read from a sensor and stored in a uint8_t array. Instead of sending over the data as numerical digital, I would like to send the ...
0
votes
2answers
71 views
exchanging data between two hc05 bluetooth modules
Iam working with gyroscope and Iam trying to send its values from one bluetooth(HC-05) module to another bluetooth module but the data exchange is not happening and I have used 2 arduino boards to do ...
0
votes
1answer
38 views
Programming problem I need both if else cases to work but only else loop is running
#include <SoftwareSerial.h>
#include <Servo.h>
Servo myservo1, myservo2, myservo3;
int bluetoothTx = 14;
int bluetoothRx = 15;
SoftwareSerial bluetooth(bluetoothTx, bluetoothRx);
void ...
