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Do you have a question on Embedded electronics and controls? Ask our Expert, Paul Clarke

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Paul Clarke

Paul has 20+ years of working as a digital electronics engineer and has strong software skills in assembly and C for embedded systems. Currently developing embedded electronics for thermal management control solutions for the air movement industry (HVAC & RAC).




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  • I need to send 10-bit data from the Analog to digital converter(ADC) from a dsPIC at 2Mbps through UART interface, to a bluetooth module. Then the bluetooth module should read this data through its UART

    interface and transmit this data via bluetooth which will be finally received by an Android phone. An application in the phone will take this data and plot a waveform on the screen.

    So basically the phone will recieve data at 2 Mbps via bluetooth. Is this practically possible ?

    Most bluetooth modules say they can transfer data only around 300 kbps using RFCOMM protocol. Is there any reason for this ? It says to go upto 2Mbps it is needed to use the HCI protocol whch needs to be implementedon the host processor. So then can the Android phone read data sent in HCI protocol. Is there any support available. Currently all transfers done in Android which I found are in RFCOMM. Is there any way either using RFCOMM or any other means for Android phone to aquire atleast 1.5 Mbps data via bluetooth ?

    What bluetooth module would you suggest is best for this application ?

    Thank you,

    Best Regards.

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  • I need to send 10-bit data from the Analog to digital converter(ADC) from a dsPIC at 2Mbps through UART interface, to a bluetooth module. Then the bluetooth module should read this data through its UART

    interface and transmit this data via bluetooth which will be finally received by an Android phone. An application in the phone will take this data and plot a waveform on the screen.

    So basically the phone will recieve data at 2 Mbps via bluetooth. Is this practically possible ?

    Most bluetooth modules say they can transfer data only around 300 kbps using RFCOMM protocol. Is there any reason for this ? It says to go upto 2Mbps it is needed to use the HCI protocol whch needs to be implementedon the host processor. So then can the Android phone read data sent in HCI protocol. Is there any support available. Currently all transfers done in Android which I found are in RFCOMM. Is there any way either using RFCOMM or any other means for Android phone to aquire atleast 1.5 Mbps data via bluetooth ?

    What bluetooth module would you suggest is best for this application ?

    Thank you,

    Best Regards.

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