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bluetooth

  1. sr13579

    How to make a bluetooth joystick with Arduino?

    Hello Friends, I have an idea about this. For making this I need joystick, Arduino,bluetooth Module(HC05). But I need to know how to connect HC-05 as a bluetooth keyboard interface? And how to program the whole thing?
  2. G

    Special development board

    Hello Currently the Grape-Express Mini development board is on Kickstarter. It's a microcontroller board like the Arduino Mega2560 R3, but this board includes a lot more than just Bluetooth, Wifi, and self-sufficiency. If there is interest, then look on the web page. The goal is not set high but...
  3. S

    Help with Bluetooth audio receiver board CSR8675

    So I bought this cheap bluetooth receiver along side a class-d amplifier board in hopes of connecting the two together to make a portable bluetooth speaker. This chinese amplifier board uses 12-24V dc and has a power out connection which provides 5V dc (probably specifically designed for a...
  4. sr13579

    How to connect this audio amplifier bluetooth receiver with switches?

    Hello guys! I found this board with 25W + 25W audio output and I found that this thing has a switch controller for music and volume. But I couldn't find how to solder them. Is there anyone who used this board? Could you please help me with a diagram?
  5. sr13579

    What is the pinouts for this module?

    I specially need those 4 pins togather on one aide of this module.
  6. sr13579

    JDY-62 Datasheet required!

    Hello Friends! Can you help me with the pinouts of this bluetooth audio receiver module?
  7. L

    Weird static in the Bluetooth FM transmitter

    I have a Bluetooth->FM transmitter that plugs into the cigarette lighter receptacle. In one particular car, it starts producing loud static over the music whenever the car hits a small bump. If I then remove the transmitter and plug it back in, the static is gone until the next bump or rapid...
  8. B

    Need advice on repairing a wireless speaker

    Hi, I'm a novice electronics guy and I just blew my wireless speaker because I tried to do a simple repair to the DC input and bodged the polarity. The speaker system is: House of Marley Get Together Bluetooth Wireless Speaker I can't find any schematics for it nor can I see any visible damage...
  9. sr13579

    What is the name of this IC used in bluetooth audio receiver and FM radio?

    I bought tgis cheap bluetooth receiver that has a chip #AC1805E88767 or something like that with symbol of PI(3.1416) on it? I tried to search about this IC but nothing comes up. I tried to take a photo but the chip is very small. Does any of you know about this chip?
  10. sr13579

    How to make a bluetooth robo controller app?

    Hello everyone, First I am saying sorry for this post because I think it is not a pure electrical thing. I was looking for someone who can give me an exact source file or teach me about how to integrate bluetooth in android app to control a bot. I am just looking for a very easy code either...
  11. C

    Bluetooth 101 - novice question

    Not an engineer. Just someone trying to investigate a product idea. Have technical questions, eager to learn. If you can take a moment to point the way, I'd appreciate it immensely. Suppose I use an app on my smart phone to set an alarm on a paired, bluetooth-enabled alarm clock. The alarm is...
  12. WHYnot86

    Design assistance needed - Bluetooth controlled LED

    Hi, I am looking to build a Bluetooth controlled LED circuit. There must be 4 separately addressable LED arrays each with driver to control current. A battery, charger and protection circuit. A sensor to measure distance from the LED's to the surface they are lighting up. A sensor to measure...
  13. R

    Usb or bluetooth accelerometer

    Hi everyone, I am new to electronics. I know just enough to understand how things can work together and a limited understanding of circuit boards and how things work. I can remove and replace parts on boards but i need help. I have a project that has been bugging me for years, yes years... I...
  14. B

    Monitors-PC Interface

    Hi everyone, I'm starting a new project in which I want to create multiple games inside one room. Those games will use electronics and mechanics. So for almost everyone of this games I'll need to have a monitor and a microcontroller. Besides that i'll have a main pc interfacing with the...
  15. M

    Bluetooth Noob

    Hi Can someone give me some info on how to get started with Bluetooth ? I want to send the output of a multimeter via Bluetooth. Is there an out of the box solution ? (It's for a proof of concept so something that I could just hookup and pair would be good) Any ideas on how to get started ...
  16. R

    Arduino Wireless Master to multiple Slaves.

    Hi all, This is my first post in this forum, as I'm mainly involved in Microcontrollers (PICS etc.) ... I have a requirement where I want to use an Arduino as a front end master controllers to some sort of a wireless duplex network, 'talking to' a series of battery powered mobile slaves units...
  17. atferrari

    RN42 Bluetooth + PIC 18F - hardware flow control RTS / CTS

    I intend to control an RN42 Bluetooth module with a 18F PIC micro expecting to receive big chunks of data from the RN42 / send big chunks of data to the RN42 Regarding the RTS / CTS signals, please tell if I got this right whether the module is in "command" or "data" mode. Micro's RTS pin to...

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