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.

114 questions
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Digital audio formatting

I have a vectorized wav file with values between -1 and 1, 88,200 samples, 44.1 kHz sampling rate to hear the audio within two seconds. I'd like to send the audio through bluetooth to a bluetooth module, arduino, DAC, and 3.5mm breakout board with…
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How to check for blueooth serial input while executing a loop?

I'm writing an Arduino program that changes an RGB LED's colour based on bluetooth serial input. While successfully implementing code that changes the LED to a static colour, I'm having trouble coming up with a solution for performing a loop that…
frol
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flutter_bluetooth_serial dependency can't connect to hc05

`this is the function I use to connect: try { // Connect to the device. setState(() { isabs=true; }); setState(() { loading=true; }); connection = await BluetoothConnection.toAddress(device.address); setState(() { …
Omar Said
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How do i connect to HC-05 of arduino in flutter

import 'package:flutter/material.dart'; import 'package:flutter_bluetooth_serial/flutter_bluetooth_serial.dart'; void main() { runApp(MyApp()); } class MyApp extends StatefulWidget { @override _MyAppState createState() =>…
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Display announcement when MATLAB disconnect with Bluetooth module HC-05

I am working on the project that detects the connection between MATLAB with bluetooth module HC-05. MATLAB will display something such as "no signal" when HC-05 is out of range of the bluetooth. My idea is that send the character in ASCII from HC-05…
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Flutter_bluetooth_serial can't establish connection

I'm trying to build an IoT app with Flutter and then control the IoT devices using a Bluetooth Serial Connection. I'm using the flutter_bluetooth_serial plugin and the HC-05 Bluetooth module for the IoT devices. Everything works but I'm unable to…
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I have sent a string stored in Arduino's EEPROM via Raspberry Pi using HC-05, but it breaks when receiving on Raspberry Pi

Here is the code sent from Arduino: void sendDescription() { delayStart = millis(); delayRunning = true; message = readStringFromEEPROM(0); …
Depua
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hc-05 bluetooth module data transfer in flutter

I want to receive numerical data with bluetooth connection using hc-05 bluetooth module in flutter and show it on my application screen. How can I do this. I could not find a sample study. I tried flutter's bluetooth libraries but could not get the…
Mehmet Kurt
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Arduino UNO HC-05 with stepper motor

Im in trouble. I want to control stepper motor 28BYJ-48 with HC-05 on Arduino UNO. I'm using below algorithm, which I found on the net and adjusted to my needs. Im using RobotRemo android app. Steering element is the slinder in range [0;100]. The…
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I want to see 8 EEG values using mindwave mobile 2 and Hc-05

I want to see 8 EEG values using mindwave mobile 2 and Hc-05 But, I have only the most basic connection If I run it in this state and look at it from the serial monitor, the value comes out weird Below is the code I wrote and the value I…
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Flutter Bluetooth Serial - Issues with sending/receiving data with Android To HC-05 Module

Description: I'm trying to use the Flutter Bluetooth Serial plugin to communicate with an HC-05 Bluetooth module. I'm able to connect to the device and send/receive data successfully on the first attempt. However, when I try to send/receive data…
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Arduino HC-05 Bluetooth: Detect if a specific invisible device is in range

I am trying to personalize a screen depending on the person which stands in front of it. My idea was to get the bluetooth adresses of their phones and check which of the devices is the nearest. Because the project is already using a NodeMCU…
DaBrot
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In flutter_bluetooth_serial flutter Device gets disconnected when navigated to next screen Is there any solution to keep it conected always?

Device gets disconnected when navigated to next screen and connects again when back on the screen, Is there any solution to keep it conected always? I am trying to connect my app with HC 05 Adapter, and I am successfully able to connect the adapter.…
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How to interact to LMP of HC-05 bluetooth module?

Kindly help to enlighten me about the following queries. Thanks in advance. Is HC-05 module a Bluetooth controller? If it is a controller, can we write a host stack for it? Can it replace any Bluetooth chip (e.g WCN Bluetooth chip of snapdragon…
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How to get UUID for Android to HC-05 Bluetooth connection

I am attempting to create an Android app that will connect to an HC-05 Bluetooth module connected to an Arduino Uno. I have been using example code as the base for my project so I am lacking complete understanding of the code. My code uses the UUID…
Zack Myers
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