Everything is documented for beginners, from the first solder joint to the final Python upload. You could find everything you need to build your ML01 in the documentation section of my GitHub repository:

1️⃣ ML01-specifications.md
All the technical details and important precautions to read before starting.

2️⃣ ML01-assembly.md
A detailed guide that tells you how to assemble and solder your PCB step by step.

3️⃣ ML01-settings.md
A detailed guide that shows you how to configure and transfer all the files to your Pico.

4️⃣ ML01-usage.md
A detailed guide that explains how your device works and how to access it remotely.