A Qrcode Scanner with back camera as default
Use https://github.com/mebjas/html5-qrcode
Notes: Only works with https
pip install streamlit_qrcode_scanner
import streamlit as st
from streamlit_qrcode_scanner import qrcode_scanner
qr_code = qrcode_scanner(key='qrcode_scanner')
if qr_code:
st.write(qr_code)