All Questions
Tagged with arduino-uno bluetooth
200 questions
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How to Connect/configure HC05 (Bluetooth module) to a shield?
I am a newbie to Bluetooth communication in Arduino.
I have 2 Arduino boards (one runs my main sw, second act as slave to operate a remote command coming from the main board) that i want to establish ...
- 109
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110
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How do I control a BLDC with greater precision using bluetooth?
I am building a quadcopter drone and I have 4 BLDC motors that I can control using an HM10 Bluetooth module and the "Dabble" application.
My problem is that when I use a virtual joystick in ...
- 9
0
votes
1
answer
954
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Control esp32 via keyboard keys
I'm making a project in which I have to control a mini car and get sensor information via bluetooth. I'd like to be able to control the mini car with the computers keyboard (w,a,s,d), but I was not ...
- 31
2
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1
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296
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How do I make the Arduino print on my Mac's Arduino IDE through Bluetooth?
This is a basic question, but I really have tried my best to find a solution on the internet to no avail.
I have a fairly normal setup. HC05 module connected to an Arduino. The HC05 is also connected ...
- 131
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2
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161
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Bluetooth Arduino Data Type Error
In my code I want to send some float values from my phone to the Arduino's Bluetooth which I will then split using the substring function. it will then print that split value to the serial monitor.
I ...
-1
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1
answer
56
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Servo retaining its position every time I send some value
I wanted to control my servo with a Bluetooth module.
I gave certain values for rotating it. When I press those values the servo rotates, but then retains its original position and the PC also makes ...
- 31
3
votes
1
answer
2k
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What is the difference between Bluetooth module HC-05 and HC-42 for Arduino?
I am looking for differences between HC-05 and HC-42 Bluetooth modules for Arduino. I could not find an answer by searching google.
Both products have 6 pins and accept master and slave but I could ...
- 41
2
votes
1
answer
687
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HC-05 Bluetooth module; two serial ports, COM4 and COM5
I'm learning how to use the Arduino HC-05 Bluetooth module. After pairing to it with my laptop I saw that I was getting two serial links, COM4 and COM5, as can be seen from the picture below.
On COM4 ...
- 21
1
vote
2
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117
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Problem with first two samples of serial data received by RPi
I'm trying to receive a string from an Arduino to a Raspberry Pi via a Bluetooth socket connection (RFCOMM). I'm using an HC-06 Bluetooth module, an Arduino UNO R3, and an RPi 4 Model B. For the ...
1
vote
1
answer
104
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Incorrect values arriving from Arduino to RPi over serial communication
I am trying to write four values relating to energy (current, power, energy, and peak demand) via a SoftwareSerial connection from my Arduino UNO to my Raspberry Pi 4. However, two things are ...
2
votes
2
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135
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arduino acclerometer with servo motor
I'm currently working on project to operate three motors while sending accelerometer value to computer via bluetooth module. I want the motor operation and value transmission to work seperatly. But ...
- 41
1
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0
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72
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My bluetooth module keeps sending out constant exports
So I have a bluetooth module hooked up to my arduino to control an LED light, something simple to turn on and off. But the app im using constantly is either sending something or receiving. This causes ...
- 11
1
vote
1
answer
108
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I need help with my final year project
I am building a project using bluetooth control as well as an ir sensor. The logic behind my program is when I press a key I want my robot to execute a series of program and while the program is ...
- 21
1
vote
1
answer
3k
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HC-05 Module not receiving commands and not pairing
I'm working on a project where I'll need to establish a connection between two HC-05 modules, each connected to an Arduino, but for now I'm just trying to get one to work and connect to my phone, but ...
- 123
1
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211
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how to control switch (proteus) using bluetooth card (HC-05) and arduino?
This is the first time I use the Internet with the Arduino in the proteus ,
What are the stages that I must follow in order to be able to control the switch via Bluetooth?
If it was possible to ...
- 21