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Ravi PujarAbhi Verma. I have worked with hc05, hc06 and with RN52 module. They can either transmit data or audio. Could you suggest a module satisfying both the requirements.?

Bluetooth
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Ravi Pujar

great aid from ravi here

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Abhi Verma
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ROBOToTHON 2017 Mentor, Electronics Engineer
 · DelhiIndia
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You can put different types of data inside a packet and transmit it. e.g. data[2], data[0]= normal data, data[1]= voice data. Transmit the package and identify it on receiver side. Or you can go with radio modules. They can send multiple bytes at a single time.

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Ravi Pujar
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Embedded systems engineer, Founder @Valetron Systems, Blogger @www.raviyp.com
 · DharwadIndia
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Long long long time back i had worked on HC-05 module for SPP data transmission. Have a look here.
http://www.raviyp.com/embedded/148-interfacing-android-handset-with-microcontroller-bluetooth

Didn’t work on them after that. These are good for quick prototyping. You can use them.
Now for Bluetooth applications i recommend TI SensorTag.

Here is a board i designed based on TI sensor tag CC2650.

If you can, use the sensor tag in your applications, It will be a good learning process. Very nice features and BLE is going to be a important part of IOT.

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great aid from ravi here

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Steven Reubenstone
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Mechanical Engineer & Tinkerer of Things. Community Moderator.
 · New YorkU.S.
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great post ravi

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Ravi Pujar
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Embedded systems engineer, Founder @Valetron Systems, Blogger @www.raviyp.com
 · DharwadIndia
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Thank you Steven :)

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Mohammed Shahi
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 · NagercoilIndia
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Can i know your purpose? @Raghuveer Venkatesh…

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