any idea How can I Make “semi-automatic” irrigation (without a water point on the balcony)? with Ha?
You might be interested in this unit:
https://shop.m5stack.com/products/watering-unit-with-mositure-sensor-and-pump
with some sort of jug or other water reservoir for it to pump from. ESPHome device could then provide soil moisture reading to HA, and turn on pump when needed. ($11.50 for this unit, plus ESPHome board, plus some plastic tubing)
I have one of these:
Doesn’t even need HA - but a bucket or something similar.