Xiaomi LYWSD03MMC BLE Temperature and Humidity Display

I recently purchased one of these very cheap displays.
I hoped to pick up the readings in my Home Assistant. After some digging, I found that someone had managed to interface a Raspberry PI to it. From there it was plain sailing.
You can find my code and instructions on GitHub here https://github.com/AnthonyKNorman/Xiaomi_BLE_Tempertaure_Display_for_HA