tested on raspberry pi zero 2 w (raspberry pi os legacy 32-bit)
download repository in raspberry pi CLI with git clone https://github.com/KevinLindemark/flask_matplotlib_dht11_sqlite.git
Create virtual environment with python -m venv venv
activate virtual environment with source venv/bin/activate
install packages with pip install -r requirements.txt
run python create_table_DHT.py
run python app.py
follow the link i terminal and ensure laptop is on same network to see the webpage