Questions tagged [hc-06]

It refers to the Arduino HC-06 bluetooth module.

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How to hook up a HC-06 to Arduino Nano

So I have an arduino nano hooked up to hc-06 however every diagram of the hookup wires shows some kind of resistors (1K and 2K, rather high resistances to ignore), and I completely overlooked them. I ...
Peter Dragomirov's user avatar
1 vote
1 answer
560 views

Arduino Uno R3 HID with HC-06 BT module

Im trying to make a macro pad using Arduino Uno r3 and 4x4 matrix (cherry blue clone) . I know using a pro micro is better than uno cause there isn't HID compatibility in uno but since i already have ...
Ikari Shinji's user avatar
1 vote
0 answers
24 views

Various Bluetooth HC-06 modules erratic in different ways

I am trying to make a Bluetooth controlled robot and have troubles with the Bluetooth modules. I used 3 HC-06 Bluetooth module. All of them have different problems. I could not find the 1st HC-06 ...
Joshua's user avatar
  • 19
2 votes
0 answers
48 views

How to connect two arduinos with smartphone wirelessly

I'm working on a project that have two separate setups for Arduino, each Arduino read sensors and send data to smartphone. how to connect two Arduino then send all data to smartphone over Bluetooth?
Danish's user avatar
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1 vote
1 answer
190 views

Wrong data receiving in my Arduino by bluetooth

I have programmed a client-server between an Arduino and my mobile app in Android. I´m using a buetooth HC-06. For the moment is a very basic code just to turn ON/OFF a led, regulate its voltage, and ...
PartnerTech's user avatar
1 vote
0 answers
87 views

Is it possible using a hc-05 bluetooth module as master and pair it to a hc-06 module?

I have configured a hc-05 bluetooth module as master and a hc-06 module as slave an since the LED on the hc-05 is blinking in a 2s delay they should be paired but no matter what I do I can't send data ...
Dennis L's user avatar
1 vote
0 answers
88 views

antenna of the HC-06 bluetooth module

Does the Bluetooth module HC-06 contains a built in antenna similar to HC-05 ? and if so, then what is the benefit from using antenna?
klay's user avatar
  • 43
1 vote
1 answer
923 views

Bluetooth: sync time from an NTP server via Internet connection shared with Android phone

I saw that it is possible to sync time from an NTP server over WiFi. I have the HC-06 Bluetooth module and an Android phone that can share its Internet connection with Arduino via Bluetooth. Would it ...
user1876484's user avatar
1 vote
0 answers
2k views

How to send and receive data from serial using analog pins?

I have L293D shield connected to my arduino UNO and it fills nearly all the digital pins including TX(1) and RX(0) pins. I know this function, but as far as I know, it works for digital pins. ...
Ömer Faruk Navruz's user avatar
0 votes
1 answer
525 views

How to connect HC-06 BT module without pins?

So, from one popular Chinese store I ordered a HC-06 module that I received... and due to some mistake from a store, I received a HC-06 without connecting pins. So usually HC-06 looks like this (with ...
Max Krizh's user avatar
  • 103
1 vote
1 answer
2k views

Arduino AT not working (Arduino UNO and HC-06)

Recently had issues with HC-06 AND Arduino UNO. Turned out that the last module was not working, this module keeps flashing and it appeared in the Bluetooth list. I'm trying to work with some AT ...
Janar's user avatar
  • 23
1 vote
0 answers
97 views

HC-06 Arduino UNO not working

Trying to get my HC-06 to work. The idea is to control a addressable RBG LED strip in the future. Currently I'm using a Arduino UNO, some wires and a HC-06. I connect the VCC pin to 5V, GND to GND, ...
Janar's user avatar
  • 23
0 votes
1 answer
994 views

How to connect ESP32 to HC-06?

I am making a small project (BT controlled "tank") and need to connect ESP32 with HC-06 (ESP32 will be in controller and HC-06 in the vehicle). Android phone communication with both ESP and HC-06 ...
David Pacak's user avatar
1 vote
1 answer
969 views

Problem with HC-06 receiving data

I have paired 2 BT modules HC-05 and HC-06. When I write something through Serial Monitor and send it from HC-05 to HC-06, everything works well. But when I send continuous data through loop, HC-06 ...
Ieva Kriščiūnaitė's user avatar
1 vote
3 answers
1k views

Why does SoftwareSerial::read() return int?

The documentation on Arduino's website shows SoftwareSerial::read() as returning a char. (link) The header shows that the method returns an int. (link) The cpp definition shows SoftwareSerial::read()...
retrohacker's user avatar
0 votes
1 answer
776 views

Connecting HC-06 and LM35

Hello I am trying to send temperature data via bluetooth using the HC-06 module. Since TXD and RXD only allow 3.3V I have divided the circuit into two like the below image. Is this method correct? or ...
Satsuki's user avatar
  • 101
1 vote
3 answers
186 views

Bluetooth Modules not communicating correctly

I plug in BT rx to digital 11, BT tx to digital 10 and then 5v and ground from the HC-05 to the arduino. I then upload this code to the HC-05 that is set as a master. #include <SoftwareSerial.h>...
Gxs1619's user avatar
  • 11
0 votes
2 answers
99 views

String to equation problem

My project is to create a decimal adder via voice recognition. Its like a calculator that only does addition. I am using hc-06 bluetooth module to convert my voice to a string. Let's say for example, ...
Kiv Ryan's user avatar
-1 votes
1 answer
2k views

Unable to convert string read from bluetooth to int [closed]

I am using a HC-06 and i want to read a number ending with f as a delimiter, the first three numbers as my servo position, however converting the string into int is giving an endless series of 0s. I ...
Elie's user avatar
  • 3
2 votes
1 answer
2k views

Arduino Leonardo RX TX mystery

I'm at the tail end of a project using a Leonardo, a HC-06 bluetooth module and a few cell phone vibration motors. Everything is working fine except the serial communication between the Leonardo and ...
cm31k's user avatar
  • 23
-1 votes
1 answer
51 views

Arduino connection with Arduino

I have 3 Arduino boards, let's call them be A, B, C. I'm connecting A with a bluetooth module and I'm getting the input from the bluetooth module. Now I want to send output from A using the digital ...
Arko Biswas's user avatar
0 votes
1 answer
399 views

Connecting a servo via HC05 and HC06

I want to drive a servo via a HCO6 and HC05 link as a stand alone, using no android or PC. The question is how to send a 1.5 ms signal (generated with a pulse command on a Nano) from one HC to ...
Billy60's user avatar
1 vote
2 answers
663 views

DigitalWrite Cannot Power HC-06 Bluetooth

To save power consumption, I tried to connect the HC-06 bluetooth module to a digital pin of my Arduino Nano. (HC-06 +5V <=> pin 11, HC-06 gnd <=> gnd) In that way, I can toggle the bluetooth ...
doge99's user avatar
  • 111
0 votes
1 answer
1k views

HC-06 pairing to arduino

I have a bluetooth module HC-06 and want to pair it to my Arduino UNO. The thing is when I researched how to do so, I got different answers. What pairing should I use? Thank you in advance. I have ...
B.Parvi's user avatar
1 vote
1 answer
307 views

HC-06 RX pin usefulness

I have a HC-06 bluetooth module. The module has an RX and TX pin (the RX pin receives data and TX transmits data) which connect to the TX and RX pin of an Arduino respectively (in my case an Arduino ...
paul's user avatar
  • 13
-3 votes
1 answer
154 views

What types of connectors should I use to connect an HC-06 to an Arduino? [closed]

I am new to electronics and I need to connect an Arduino Uno with an HC-06 Bluetooth module. The problem is that I don't know what types of connectors I should use. I know I need some Dupont wires ...
Amine Messaoudi's user avatar
1 vote
2 answers
8k views

Getting Bluetooth addresses of connected devices via Arduino Uno? [closed]

I want to find all the Bluetooth addresses of connected devices using an HC-05/HC-06 Bluetooth module and an Arduino. I can't find any code related to this. Basically I need the addresses to put in ...
Olivia Johnson's user avatar
0 votes
1 answer
3k views

Issues using HC-06 Bluetooth module with arduino

I recently ordered an HC-06 Bluetooth module for my Arduino Uno, and after watching this video, and many others, I still have been having many issues figuring out how to get it to work, and some ...
Zelkins's user avatar
  • 135
2 votes
2 answers
4k views

How to identify connection lost on HC-06?

I am making an RC car on Arduino Uno. I have connected an L298N motor driver to an Arduino Uno to control 2 DC motors. I also connected an HC-06 to the Uno to receive commands from an Android ...
Joe Rakhimov's user avatar
4 votes
4 answers
4k views

Arduino Pro Mini Serial Monitor garbage

This is my first post. I hope that I am posting in the right section of the forum. Otherwise, could an admin move this topic to the appropriate section please? Board : Arduino Pro Mini 3.3V 8MHz ...
Luca Andrei's user avatar
1 vote
2 answers
2k views

Motor Shield and HC-06 Bluetooth Module competing for pins

So my problem is this, I have an Arduino Uno with an Adafruit Motor Shield (1.0) and an HC-06 Bluetooth Module and I want to use them at the same time, the problem is that the Motor Shield uses all ...
Muxxy's user avatar
  • 13
1 vote
3 answers
3k 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 ...
Cid's user avatar
  • 13
0 votes
2 answers
4k 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 to ...
ch8colat's user avatar
2 votes
2 answers
5k 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 ...
monobear's user avatar
1 vote
1 answer
985 views

Send a file from PC to Arduino using HC-06 module

I want to send a file from my Laptop using its own Bluetooth transmitter to Arduino. Arduino has HC-06 module as receiver.Arduino has SD Card fore store the file. I was able to send bytes using Python ...
user_fs10's user avatar
  • 187
3 votes
2 answers
3k views

Upload sketch via Bluetooth using HC-06 module

I'm dealing with an application in which I need to upload sketches remotely to an arduino UNO board. I successufully managed to upload sketches using an HC-06 bluetooth adapter. The only problem is ...
Francesco's user avatar
  • 133