Using a Rhaspberry Pi 4 to automate the watering and a TP-link 105 smart plug to automate the Viparspectra P2000 LED grow light.
You can see how I automated it here: https://hackaday.io/project/188129-rhaspberry-pi4-basic-watering-system-for-balcony
Basically, this is an "Automated Watering how-to Guide for Dummies" - as simple as technically possible. You still require some basic command line expertise, but the steps have been proven and I provide links to the gear I used AND the Node Red code, making this EASIER than anything else I've seen online.