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CC2340R5: HX711 Library

Bhavik Bhansali
Prodigy 85 points
Part Number: CC2340R5
Other Parts Discussed in Thread: CC2640R2F

Tool/software:

Hello I am working on design where i am using HX711 along with cc2340r5 MCU. I made a custom board with hx711 on board. I am not able to get the stable reading out of this. Where in if i isolate CC2340r5 and connect ESP32 along with this getting stable output. Can i get a help for this? I checked and looks like there is library issue with timing.

I used this library for reference and converted into C. https://github.com/bogde/HX711/tree/master/src

I also used this blog as reference too. markelthinkslearnscreates.wordpress.com/.../

Thanks
Bhavik

  • 0
    Guru 86745 points

    Hi,

    That's my blog. The modified HX711 library works for CC2640R2F. You need to connect a logic analyzer to see the communication between CC2340R5 and HX711.

    -kel

  • 0 in reply to Markel Robregado
    TI__Genius 12391 points

    Hello Bhavik,

    I hope you are doing well. Following up on Markel's comment, using a logic analyzer to confirm that the signals coming in/out are correct may be the first step here, and possibly also comparing those signals between the CC2340R5 and CC2640R2F (*HX711 library); as well as migrating the library to work on the CC2340R5 (*not too sure if the HX711 works with the CC2340R5).

    Thanks,
    Alex F