# Setup: 1. Set up the virtual environment: ``` $ python -m venv .venv $ source .venv/bin/activate ``` 2. Install the type stubs: ``` $ pip install -U micropython-rp2-pico_w-stubs --no-user --target typings ``` 3. Ensure `mpy-cross` is available: ``` $ git clone https://github.com/micropython/micropython.git /tmp/micropython $ pushd /tmp/micropython/mpy-cross $ make $ mv build/mpy-cross ~/.local/bin/ $ popd ```