LED Matrix Failure

Goal

document the failure and redesign of a LED Matrix display.

Components

• Adafruit DotStar Digital LED Strip - Black 60 LED - Per Meter - BLACK
• Power Supply 5V@60A 350W
• Connectors

Layout

• Left->Right Left->Right
• Left->Right Right->Left

Connections

• power connections
• long wires
• broken flex pads

Signal Issues

• long SPI signals
• quick fix

PCB Design

• signals
• layout
• features
• eagle files
• soldering