This system will water your plants automatically, monitor the level of the water reservoir and will keep your plants happy on many aspects.
How to make a smart greenhouse using Arduino and Node MCU for IoT
How to build a smart monitoring system (temperature, soil moisture, light level, humidity and air pressure sensors) for your plants.
Control temperature, humidity, CO2, and light with an automated open-source mushroom fruiting chamber using ESP32 and Blynk 2.0.
Automatic irrigation of 3 plants of Pothos, through the use of Wemos (ESP8266).