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NI DAQ taking Teensy or STM32 as input

Discussion in 'Microcontrollers, Programming and IoT' started by jadk, Apr 22, 2021.

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  1. jadk


    Apr 22, 2021

    Is it somewhat possible to connect a serial connection to the NI DAQ (cDAQ9171) and the input being a non-NI product ?
  2. Harald Kapp

    Harald Kapp Moderator Moderator

    Nov 17, 2011
    Please be more specific. Your request is too general. We need more details.
    What do you want to connect where and how.
    What do you want to achieve?
  3. jadk


    Apr 22, 2021
    So I have a 3-axial (WIRED) IEPE accelerometer connected to my NI DAQ then to the PC with LabVIEW.
    My objective is to make the system wireless, so I thought of buying 2 MCU (STM32) with a wireless module embedded, connecting the accelerometer to an MCU, and connecting the other to the PC (or my DAQ). So with this configuration, the MCUs are Sending/Receiving the sensor's data, and the MCU connected to the PC will simulate my sensor.
    Do you think STM32 will do it? And what's the rate of difficulty. I will attach the accelerometer's datasheet also for you to take a look at.

    Standards I'm required to meet:
    1. 12-bit ADC
    2. minimum 20kHz sampling (Ksps)
    3. -30dB attenuation at half of the sampling Frequency.

    Attached Files:

  4. bertus

    bertus Moderator

    Nov 8, 2019

    The cDAQ9171 seems to be an interface for one card:
    cDAQ9171 info.png
    It will need an USB port to communicate.


    Attached Files:

  5. jadk


    Apr 22, 2021
    Can I do it without the DAQ?
    Because I will process the signal of the sensor, and send it to the other MCU. So can I retrieve the signal of the second MCU with a PC, and use this data in LabVIEW? What do you think?
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