You may also hack this product by Xiaomi. https://www.aliexpress.com/item/Xiaomi-Mi-Flora-Monitor-Smart-Tester-Flower-Care-Soil-Water-Digital-Grass-Light-Senso

You may also hack this product by Xiaomi. https://www.aliexpress.com/item/Xiaomi-Mi-Flora-Monitor-Smart-Tester-Flower-Care-Soil-Water-Digital-Grass-Light-Sensor-for-Garden/32804584205.html https://www.aliexpress.com/item/Xiaomi-Mi-Flora-Monitor-Smar... There are many wifi enabled switches to enable the water pump. Try out the ESP8266 and/or ESP32 in your next project. Your mind will blown with the possibilities :D Also, you may loose the soil and go for hydroponics, that would make this really from the future.