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MMade.1
Associate II
Jul 10, 2020 4:26 PM UTC
Question

STEVAL-BFA001V1B wrong cable description

I wanted to try the STEVAL-IDP005V1 from STEVAL-BFA001V1B,

I followed the description given in UM2438

and nothing worked,

Finally I realized that the cable description is wrong (or may be I've got a bad cable),

the ground is on white, not on blue wire

    This topic has been closed for replies.

    5 replies

    iNav
    Associate
    Jul 15, 2020 4:03 AM UTC

    your right.

    White is GND. The document description is different than actual wiring.

    Do you feel lot of heat generated around Accelerometer?

    Associate III
    Mar 12, 2025 6:45 PM UTC

    How did you verify this? is it available in the schematics?

    MMade.1
    MMade.1Author
    Associate II
    Jul 16, 2020 6:14 AM UTC

    yes, I feel heat too, a little warm, but it is normal, I think it is coming from MCU on other side, BR

    Associate III
    Mar 12, 2025 5:25 PM UTC

    Are you sure about this? I have

    STEVAL-BFA001V1B and it has 4 wires for io link as per the user manual

    blue is GND and grey is +VCC (18-24V) 

    I tried this and I was able to get the mcu and UART to send me the starting message with some details.

     

     

    Associate III
    Mar 13, 2025 10:04 AM UTC

    You got a bad cable documentation is correct and it is supposed to be the same but you might have faulty cable , wired incorrectly