As a computer science student, I didn't realize I had to spend hundreds of dollars on a system like Philips Hue. So I decided to develop my own smart lighting system. After several hundred hours of work, a lot of joy but also frustration "SmartLight V3" was created.
You can use cheap RGB LED strips as well as more complex NeoPixel strips.
The basic module (ESP8266-01) costs less than 5€.
modern Web-App that you can add to your Homescreen.
support for IFTTT & Google Home (via IFTTT)