Watch 24 colorful acrylic blocks dance to music
Lights synchronized to music, what’s not to love? YouTuber “Robert Robert” has done just that using 24 acrylic blocks, an Arduino Uno, four 12-pixel WS2812B addressable LED strips, an Adafruit electret microphone amplifier, a 12000mAh external battery pack, and some code. The blocks are divided into two sets of 12, held together by threaded rods and nuts, with LED strips hot glued to […]