Arduino bluetooth control device

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For HC05/06 & HM10. This android app makes you control your Arduino projects like RC car or any IOT applications using your mobile phone thru bluetooth. (click readme.md for more info)

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engrpanda/Arduino-Bluetooth-Controller

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README.md

ArduBT-Controller plus ULTRA

Arduino-Bluetooth-Controller plus ULTRA

• HC 05 Bluetooth Classic Module
• HC 06 Bluetooth Classic Module
• HM 10 Bluetooth Low Energy Module

• SWITCH ON/OFF MODE
• GAMEPAD MODE
  • 4 Arrow button and 4 diagonal for omnidrive
  • Analog joystick button
  • IP CAM Video VIEWER

  ok why plus ultra? cuz im a big fan of all might(Plus ultra means go beyond your limit). 🙂

  So there’s a lot of arduino bluetooth controller in googlestore(play store) but there’s limited buttons, functions and also limited to hc05 only or hm10 only. So i made this app to circumvent those problems whehe. This app is for those who has two types of bluetooth module and dont want to download each app specifically for that BT module.

  This app makes you control your Arduino projects like RC car or any IOT applications using your mobile phone thru bluetooth.

  All the files (apk, circuit, program, codes) are all provided) 🙂

  Compatible with android 4.4.4 (API 19) to android 10(API 29).

  Compatible from Bluetooth 2.0 to Bluetooth 5.0.

  This app is under beta test. Any bugs or error can be reported or send to my email. (engrpandaece@gmail.com)

  • Table Of Contents
  • PROGRAM
  • FRITZING CIRCUIT CONNECTIONS
  • APP
  • 1 SWITCH ON OFF MODE
    • Sample Connection of Simple LED Bluetooth control
      • FOR HC 05 or 06 led
      • FOR HM10 led
      • Serial Code to Arduino switch
      • FOR HC 05 or 06 relay
      • FOR HM10 relay
      • Serial Code to Arduino switch
      • Sample Connection of RC Car Bluetooth control
        • FOR HC 05 or 06 car
        • FOR HM10 car
        • Serial Code to Arduino car

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        Arduino Bluetooth Control Device

        Настройка и управление подключенными устройствами Bluetooth

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        Arduino Bluetooth Controller Easy Step-by-Step Tutorial

        Don’t worry if you have no experience in programming microcontrollers. In this post, I will show you how to create simple Bluetooth communication between our Android phone and Arduino.

        Arduino is an open-source electronics platform based on easy-to-use hardware and software. This is absolutely for everyone who would like to build their own creative toys involving hard electronics and software skills.

        Professionals would say that this is good for early prototypes.

        

        Arduino Bluetooth controller advantages

        1. Community, which willingly shares their knowledge and complete projects on the web, so it is easy for us to start.
        2. Unlike most previous programmable circuit boards, the Arduino does not need a separate piece of hardware (called a programmer) in order to load new code onto the board – you can simply use a USB cable.
        3. Additionally, Arduino IDE uses a simplified version of C++, making it easier to learn how to program.
        4. Many programmers give up their interests in microcontrollers due to fear of electronics. At the beginning, electronics is not a big deal. The Arduino community likes to share their projects on the web. They also share simplified electronic schematics like in the picture below. To find schematics like this, you only need to tap in the name of the sensor or module plus Arduino and then go to Google Graphics, and the proper schema should be there. If you would like to develop more complicated devices and create your own printed circuits (PCB), then you should dig into electronics.

        In my opinion, Arduino will be the best choice to start programming microcontrollers.

        What is Bluetooth?

        An interesting part of Bluetooth is its name. It derives from the nickname of the Viking, Danish king Harald Blatand. The English translation of Blåtand is – you guessed it – Bluetooth. Around 970, he was able to unite the fighting Danish and Norwegian tribes in a non-violent way. Similarly, Bluetooth technology has united technologies that differ from each other significantly.

        Bluetooth is the standard for short-range, wireless communication between various electronic devices such as mobile phones, tablets, PC, headphones and even pressure cookers, which allow for adjusting the cooking timer and temperature through an app via Bluetooth.

        

        Arduino part

        Let’s get into the code. But first, I have a small question for you. What do you think?

        How many lines of code are needed to send a text every second via Bluetooth?

        Let the text be SoftwareHut. Just shoot some numbers.

        

        That’s it… All we need is seven lines of code! Notice that I do not even use any external libraries.

        All of the magic is hidden in the hardware. From the perspective of code, sending anything wirelessly is exactly the same as sending data by wire.

        The only difference is that, in the first option, we plug the Bluetooth module into the proper pins in Arduino, and in the second we don’t.

        Arduino code syntax

        This is a good occasion to briefly explain Arduino’s code syntax.

        As you can see, we have two main methods here. First setup(): in this method, we initialize serial transmission at baud rate 9600. Baud rate is the maximum number of chars that we can send in one second. The higher the baud rate, the more sensitive the transmission becomes to noise. We set it to that specific number because our HC-06 Bluetooth module is configured to that number by default.

        The only thing that is important from the start is that we should set the same baud rate on Arduino and on the Bluetooth module’s side.

        The second method, loop(), is an infinite loop of a program. So here we use the serial transmission to send text SoftwareHut and add a one second delay. And that’s it! Nothing more. For me personally, it’s like magic. You can achieve such a great thing like the wireless transmission with almost no effort.

        Receiving data

        Receiving data is also not complicated. Here, we just have a Hello World that is a little more advanced. In microcontrollers, Hello World is just an LED blinking. Here, we will change the state of a LED according to the Bluetooth data received.

        Let’s get back to the setup() method, we set pin 13 as an output because we would like to steer this LED not get information from it. Its Arduino’s onboard led. Of course, we also initialize serial transmission here.

        In the loop method, we check if we received any data via serial. We can assitn this to a variable, if the result is ‘yes’. If we receive 1, then we change the state of the LED to high so it will light up. If we receive 2 then we change the state of the LED to LOW so it will go out.

        Источник

        Arduino – Bluetooth device control on HC-06

        This tutorial explains how to control devices using HC-06 bluetooth module.

        1.1 HC-06 Module:

        A widely available bluetooth module that has capability to enable your project with bluetooth. It has got 6 pins interface. But we are interfacing it by using its four pins only. We are using-

        1. VCC – To supply +5V
        2. GND – To make it Ground
        3. TXD – Data TX pin
        4. RXD – Data Rx Pin

        It has got one LED, Which shows its state. If it is blinking that means it is not connected. If it is staying in glowing condition that means it is connected. There is a pin STATE that is connected to this state LED. You may use this pin in your project to determine the state of BT module. This module look like this –

        • 

        2. Required Hardware

        Following Hardware will be required to perform this sketch of shift register.

        S.No.	Item	Quantity
        1.	R-Board with FTDI or Arduino Board	1
        2.	HC-06 Bluetooth Module TTL	1
        3.	Male to female Jumpers	4

        3. Building Circuit

        Make following circuit with the help of above mentioned components. We have included two examples here both of them use the following circuit.

        3.1 You may go with Robo India’s R-Board(UNO Compatible)-
        

        • 

        3.2 You may go with original Arduino UNO Board-
        

        • 

        4. Programming:

        Once we are done with circuit part, here is our programme to this circuit. Every command of the following programme is explained in the comment section.

        // Bluetooth Tutorial By Robo India // Bluetooth module used - HC-06 #include SoftwareSerial.h> SoftwareSerial BlueTooth(5, 6); // (TXD, RXD) of HC-06 char BT_input; // to store input character received via BT. void setup()  pinMode(13, OUTPUT); // Arduino Board LED Pin BlueTooth.begin(9600); > void loop()  if (BlueTooth.available())  BT_input=(BlueTooth.read()); if (BT_input=='a')  digitalWrite(13, HIGH); BlueTooth.println("Now LED is ON"); > else if (BT_input=='b')  digitalWrite(13, LOW); BlueTooth.println("Now LED is OFF"); > else if (BT_input=='?')  BlueTooth.println("Send 'a' to turn LED ON"); BlueTooth.println("Send 'b' to turn LED OFF"); > // You may add other if else condition here. > > 

        6. Application on Phone:

        Download any Bluetooth Terminal on your smart phone. We have tested this with “Bluetooth Terminal” By QWERTY.

        1. Download Bluetooth terminal application.

        2. Pair your phone with HC-06. for doing this go to Settings->Bluetooth->Scan device->select HC-06 and pair it. Pass code to pair is ‘1234’.

        3. Open Bluetooth Terminal software, go to options and select ‘connect a device – secure’ option. It ask for pass code enter 1234. Here is the screen shot of phone with this application.

        • 

        If you send ‘a’ it will make to LED (Connected on D-13) ON and if you send ‘b’ it will make the LED OFF. The Arduino code also sends the current state of LED also. If you send ‘?’ it will send the instruction. The following video will clear these understandings.

        6. Output:

        Here is the output of the above code and circuit.

        If you have any query please write us at support@roboindia.com

        Thanks and Regards
        Content Development Team
        Robo India
        http://roboindia.com

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