Quantity   Component name
1 × a M5stack atom ESP32 device (8 $ on M5stack site)
1 × some wires
1 × A 2 meters piece of plastic or wood to suspend the leds
1 × Usual tools & materials (glues, double sided tape to stick leds to the piece of plastic, soldering iron,..)
1 × A good 5v power supply : for 1200 leds (20x60) you'll need 360 watts. Cost 30$ aliexpress