Natthakit Kim Kang designed and built and incredible interactive LED installation, Click Canvas.
The project was developed to display at Yolo House, a creative space and gallery in Bangkok. The installation features 187 LED boxes in a 17 x 11 grid that change colors when users press them. It uses a Teensy 3.6 to control 2,244 LEDs.
Be sure to check out the project write up over on Hackster.io. Kim has a great write on the process of developing and installing the project.