Flashing the bootloader with USBtinyISP / avrdude I²C network of 2 matrix boards Result of several hours of work This via sucks ! Faulty PCBs suck ! SMD rework This via sucks ! perfboard madness *rduino stamp *rduino stamp V2 RGB Matrix V3.03 RGB Matrix V3.03 Removing the ATmega chip Arduino board as a serial to USB adapter RGB Matrix V3.03 - fully assembled user requested image on the matrix LED 64-pixel Tux 86CX23 HL ModernDevice - BUB assembled ModernDevice - BUB KIT ModernDevice - BUB parts 2 ModernDevice - BUB parts 1 Drag me to Hell The Game Cube The Game Cube The Game Cube The Game Cube The Game Cube The Game Cube The Game Cube The Game Cube Milling off a few 1/10 mm Milling off a few 1/10 mm Milling off a few 1/10 mm Milling off a few 1/10 mm Milling off a few 1/10 mm It finally fits ! More appearance than reality It finally fits ! LED doodad almost done One of my toys 8x8 RGB LED Matrix V3.00 8x8 RGB LED Matrix V3.00 8x8 RGB LED Matrix V3.00 8x8 RGB LED Matrix V3.00