The sound card in my desktop tower is busted. I am planning to get an external Bluetooth device so that I can connect external sound devices. I am trying to do some research on this matter to find out if it will work before I commit my resources. Please help if you have resources that can explain if this is possible and I could add to my knowledge. Please Help!
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I need some help because I don´t know how to approach this challenge.
I want to build a device, that's receiving a Bluetooth audio signal and is forwarding it to a Bluetooth speaker. It´s also running some algorithms with the audio data and also simultaneously sending results via UDP to a different device.
I already thought about using two or three ESP32s, using one with an extra Bluetooth module, or searching for a whole different MCU with Bluetooth 5.0 or higher and Wifi 5GHz. But I don´t know approach the best is, or maybe a completely different one.
Some context, why we want to do it:
We want to create a real-time light show, based on the current playing song. It is already working for PC, but also want to make it accessible for phone users. Sadly there is no way to capture the internal audio on iPhone or Android phones. Our Idea to make the music sync with the phone possible is that you are connected with the phone via Bluetooth to our "sync box" which is then connected to the speaker via Bluetooth or AUX. The "sync box" is running our algorithms for creating the light shows and then sending the data to the microcontrollers from the light strips.
So maybe you have an idea how we can sync the lights to the music completely differently or how I can approach the challenge with Bluetooth.
Any help is highly appreciated.
Thanks a lot.
I have searched everywhere but I cannot seem to find what profile or (custom) services are used to connect a ble device to a Google home. like a smart lock or smart lighting for example. Can anyone point me in the right direction? There must be some protocol specification somewhere for ble devices connected to google home?
I am asking specifically about ble, not bluetooth classic.
We are developing a bluetooth 5 enabled device and are looking into the effort it will take to support google home/assistant.
Thank you.
I am trying to build a system with a raspberry pi that allows clients access into a building depending on their membership status. Right now, it uses QR codes, but I want to know if it is possible to add a feature where it uses some technology like NFC or RFID or Bluetooth to detect their phone or RFID card from at least a foot away and confirm they have a membership.
Someone told me I could use RFID, but I am only aware of that being used in short-distance applications, like a card on a hotel door. I am not sure about Bluetooth either, because the phone would have to connect to the pi first, right? Maybe there is something I don't know about. So please offer any suggestions. Thanks
I think bluetooth does good work for tracking user. Since it's the best to handle large distances than NFC and RFID these two technologies are used for low range scenarios, check this link.
In addition, you can check distance(using Proximity and RSSI) and membership status as well. but you need to know how to handle bluetooth connectivity with raspberry pi check this link. as well create an app on that mobile phone to use Bluetooth (depending which OS you're using for Android, iOS).
Regards,
I have a Raspberry Pi that acts as a BLE peripheral. I want to add Apple's HomeKit Accessory Protocol (HAP) to the Raspberry Pi's BLE code, to control the BLE device using Homekit. I would like to avoid implementing HAP over the internet.
The closest resource I found is https://gist.github.com/KhaosT/6ff09ba71d306d4c1079. However, this gist makes it seem like there are many unknowns with that process.
Does anyone know if this is possible? If so, any info or resources would be greatly appreciated. Thanks!
As mentioned at https://developer.apple.com/homekit/ under Accessory Developers, you need to first sign up for MFi and then you will get access to all the resources you need in order to implement homekit. All source code you can find publicly online is against Apple's license since they prohibit public redistribution of documentation and source code of implementations.
My Chromecast v2 shows up as an undefined Bluetooth device. Attempts to connect, however, have not been successful. This is most probably due to a secret pairing PIN.
Oddly, nowhere can I find documentation of this feature. Why wouldn't Google mention Bluetooth connectivity?
Can anyone explain what Chromecast uses Bluetooth for and how to connect with it? Eventually, I'd like to connect it with a Bluetooth audio receiver on my HiFi... (I know about external Bluetooth transmitters, I'd like to use the internal one, however, if possible.)
That is for internal use, for example setup, etc and doesn't have any profiles that can be useful to developers, nor is intended to be used by developers.