8x8 RGB LED Matrix V3.00 8x8 RGB LED Matrix V3.00 8x8 RGB LED Matrix V3.00 8x8 RGB LED Matrix V3.00 8x8 RGB LED Matrix V3.00 8x8 RGB LED Matrix V3.00 8x8 RGB LED Matrix V3.00 - stack 8x8 RGB LED Matrix V3.00 - 1 8x8 RGB LED Matrix V3.00 - 2 8x8 RGB Matrix board V3 - layout 8x8 RGB Matrix board V3 - 3D 8x8 RGB Matrix board V2 - schematic 8x8 RGB Matrix board V2 - layout 8x8 RGB Matrix board V2 - 3D Flashing the bootloader with USBtinyISP / avrdude Result of several hours of work I²C network of 2 matrix boards This via sucks ! Faulty PCBs suck ! SMD rework *rduino stamp *rduino stamp V2 RGB Matrix V3.03 RGB Matrix V3.03 RGB Matrix V3.03 - fully assembled A day well spent RGB Matrix V3.04 - back RGB Matrix V3.04 - front PCBlurr RGB Matrix V3.04 - pseudo Xray RGB Matrix V3.04 - translucency RGB Matrix V3.04 - translucency RGB Matrix V3.04 - assembled + matrix RGB Matrix V3.04 - assembled front side RGB Matrix V3.04 - assembled back side ChipQuik SMD rework - applying paste flux