The sign was credated at the CCCamp19 in Mildenberg, Zehdenick, Germany, Earth, Milky Way

• Size: 100cm x 30cm
• top layer
  • used a milling machine to cut the letters
  • painted in black
  • filled up partly with hot glue
• bottom layer
  • WS2813 LEDs glued to in the shape of the letters
• ESP32 to the control the LEDs