huge thanks to @pearl steeple and @pale moat for helping me get past the last hurdle in exposing the cover template and calibration logic to Home Assistant.
#Smart blinds - powered by ESPhome and Home Assistant
split terrace
formatting of my post is garbage - I'll fix later, but here's the detail on reddit https://www.reddit.com/r/homeassistant/comments/1dgjop2/diy_smart_blinds_using_esphome/