case for Pepinillo Air quality project

this is a remix of the canairi birdie project by Andy Warburton (kudos to him) to allow an internal battery while keeping the size of the rest of the bird items https://andywarburton.co.uk/2023/make-a-canairi-inspired-smart-air-quality-sensor-using-circuitpython-mqtt-and-homeassistant/