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    About VTC

    since ‎07-03-2019
    ‎07-05-2019
    VTC
    Member

    Re: Application Board RS232 doesn't work with external Power but works with USB power

    by in MEMS sensors forum
    ‎07-05-2019 11:17 AM
    ‎07-05-2019 11:17 AM
    Thank you very much again, Using the EX_POWER3.3 with the EX_POWER_CTL at the ground worked i'm now able to read the data without the usb ... View more

    Re: Application Board RS232 doesn't work with external Power but works with USB power

    by in MEMS sensors forum
    ‎07-05-2019 09:38 AM
    ‎07-05-2019 09:38 AM
    I'm already using the external power configuration, it works to power the device but not for the communication with the Development Desktop 2.0 software. While powering it works with the usb plugged in (with the COM connection). The usb is providing 5V in the LDO to power the card in 3V3, while the external power is already 3V3. There is probably something about that. ... View more

    Application Board RS232 doesn't work with external Power but works with USB power

    by in MEMS sensors forum
    ‎07-04-2019 06:39 PM
    ‎07-04-2019 06:39 PM
    Hello,  I had an issue with comunicating with the rs232 solved on this thread : https://community.bosch-sensortec.com/t5/MEMS-sensors-forum/Application-board-2-0-rs232-communication/td-p/8479 But i have another issue now, I'm trying to use the board without the USB (by using the RS232 and external power). The external power is 3V3 while the USB provide 5V. I can use the RS232 with the USB, but not with the external power. My guess is that it has something to do with the "EX_POWER_CTL" pin on J601 (it seems to be some sort of power control). But there is nothing in the datasheet about that pin. Thank you in advance Datasheet : https://ae-bst.resource.bosch.com/media/_tech/media/application_board_2_0/BST-DHW-AN001-01_APP2_0_Hardware_Description_.pdf ... View more

    Re: Application board 2.0 rs232 communication

    by in MEMS sensors forum
    ‎07-04-2019 04:40 PM
    1 Like
    ‎07-04-2019 04:40 PM
    1 Like
    It worked, thank you very much for your great help ... View more

    Re: Application board 2.0 rs232 communication

    by in MEMS sensors forum
    ‎07-04-2019 12:31 PM
    ‎07-04-2019 12:31 PM
    No it didn't worked, is there a specific jumper configuration ? Does the COM requires a specific way to power the device ? (I haven't tried using a battery, i tried External 3V3 and Usb maybe the rs232 needs 5V) Thank you for your quick answer ... View more
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