Welcome to micropython,
Your issue is note related to HX711, and it is specific to pico, you should post pico section of the forum
![Idea :idea:](./images/smilies/icon_idea.gif)
It doesn't matter which board you use, the AS5600 sensor is really easy to use, you just have to request absolute position via 2ic bus each time you need it. But it's limited to one turn.