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HKD A/D weighing sensor convert

Started by Yves, Apr 30, 2025, 09:04 AM

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Yves

Hello all,
I have the HKD A/D weighing sensor convert module. My question is do I need to place a pull up resistor  on the DT and SCK pin?

cheers

Yves
Yves

RGV250

Hi,
I found this which looks like the same module, it does not show pull up resistors but if you look at the arduino code it does show a pull up resistor on the data (DT) pin.
https://www.instructables.com/Arduino-Scale-With-5kg-Load-Cell-and-HX711-Amplifi/

The weird thing is that the code has DT as pin 2 and the drawing shows it as pin 3.

Personally I would enable the internal pull ups on both as it is easy to try other options.

I think I have the same or similar board so if you do have issues let me know. I also think someone has posted code here for the HX711 load cell.

Regards,
Bob