Questions tagged [hc-05]

HC‐05 module is Bluetooth SPP (Serial Port Protocol) module. Use HC-05 to communicate with any device with Bluetooth functionality like a Phone, PC or Tablet.

HC‐05 module is Bluetooth SPP (Serial Port Protocol) module. Use HC-05 to communicate with any device with Bluetooth functionality like a Phone, PC or Tablet.

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How to swap HC-05 bluetooth module out of COMMAND mode and into DATA mode

I'm trying (and successfully) connecting an android device to an HC-05 bluetooth module via the bluetooth adapter library in android studio. The issue is that we cannot send commands to the module because when we connect to it the module…
Garry
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HC-05 bluetooth module not working properly from a distance

I have started learning about arduino and just bought a bluetooth module, HC-05. From where i bought, it says it has range of approx.10 meters. I made hc-05 connection with arduino in below described ways I am using it as a slave with default…
usmandroid
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Connection between Arduino bluetooth module HC-05 and Androidstudio app

i've a problem with the connection between the module HC-05 of Arduino and my android app on AndroidStudio. When i try to connect, the log show me that after the socket creation, it doesn't make the connection. Why? This is the part of code where i…
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Making a Bluetooth speaker with playback controls connected to phone

I am recently working on a project. The idea is to make a Bluetooth speaker which has playback controls like pause,play, next song on the speaker itself. The speaker is to be connected to the mobile phone via Bluetooth. Ultimately i wanted to…
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Simple HC-05 bluetooth android communication

Im trying too simply communicate between my android phone and my arduino using the HC-05 bluetooth module. While my module works and i am able too send and receive data on my phone, the data of my btData variable seems too instantly get lost after…
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Arduino Uno and HC-05: Not showing any output on serial monitor

Arduino Uno - HC-05 Connections are: TX-RX, RX-TX, LED-D13, 5V-5V+ For this project, we can supply power to the Arduino through any +5V power source. You can use a USB port from your computer to power the Arduino, but in this project I used my…
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How to handle String data in flutter_bluetooth_serial package?

I'm using flutter_bluetooth_serial package to communicate with HC-05 bluetooth module in my Flutter app. The module is responsible to send the String HC05-1 Mode1 Data: 1.696728 V to my app in each second, however while receiving the data, the value…
billcyz
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my bluetooth controlled mouse arduino project is not working

The project involves a smartphone application that sends the joystick's x and y-axis data, scroll status, left and right-click status using Bluetooth to the Arduino Uno connected to the HC-05 Bluetooth module. These data upon reception to the…
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Issue with Interfacing atmega328p with Bluetooth

I’m trying to interface atmega328p with Blutooth HC-0. I was following the example in Atmega328P datasheet in USART section. The code is simply trying to send a letter 'b' to Bluetooth terminal on mobile phone and receive a letter. If the received…
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Change HC05 Available Baud Rate in Windows

I want to send data to Windows8.1 at 921600(bits/s) via hc05 module. But in the allowed rates of the module in Ports(COM & LPT) section of Device Manager for the COM port dedicated to hc05 bluetooth there is only up to 128000(bits/s). my bluetooth…
Porya Elec
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Bluetooth Programming with the MSP-EXP432P401R

I am trying to connect my MSP432 to my HC-05 Bluetooth module however when I connect to the module using a Bluetooth terminal, I receive no feedback. I've attached my code as well. Is the RX pin P3.2 and TX P3.3? void setup() { Serial.begin(9600);…
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Reading Data from Bluetooth using HC-05 Serial

I am having trouble reading data from the bluetooth serial interface on the Arduino. Here my code: #include SoftwareSerial mySerial(8, 7); // RX, TX void setup() { mySerial.begin(38400); Serial.begin(38400); } String Data…
nick_v1
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HC-05 Bluetooth module needs every Instruction 3 times

I am trying to control some LEDs through an TM4C123GH6PM microcontroller. I wrote an Android app, that connects to the microcontroller via Bluetooth and Sends Strings to the HC-05. The HC-05 sends the commands via UART to the microcontroller. It all…
CL4PTP
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HC 05 Bluetooth module with arduino uno

i want to know for executing "Bluetooth.available();" how much time is required, if connection is available, also in case of non availability of connection how much time is spent. also for Bluetooth.read() ; Bluetooth.println("LED On!"); How much…
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Connecting with a specific bluetooth device

how I'm building application using android studio that will try to connect (on button clicked) to specific device- bluetooth module HC-05 v2. I wrote 'trying' because HC-05 modeule will be able to connect only to 1 device. If first device is being…
pprunner
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