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These 32x32 LED Arrays are made on a flexible PCB. They were designed by me and built by a US based company.

The 1024 WS2813 LEDs are controlled the same way as the WS2812 Neopixels. Their added benefit is they have an alternate data line so that a single LED doesn't stop the transmission down the line.

Why did you make it?

These panels where made to provide a wearable display for the Audi Player Index for MLS Soccer. You can find pictures of them in action here.

Specifications

• Voltage: +3.5 to 5.3 Vdc
• Supply Current @ Full Brightness White: 61.5 Amps
• Supply Current @ Full Brightness Single Color: 20.5 Amps
• Operating Temperature: -25 to +60 ℃
• Storage Temperature: -40 to +120 ℃
• LED Pitch: 7mm
• LED Active Area: 217mm
• Panel size: 225mm x 250mm

General Usage notes

• Even Though it can go down to 3.5 V. Do not power these directly with a lithium battery, use a boost converter if you need to power these via battery. The switching currents within the array cause the individual LED voltage to drop below 3.5 Vdc when a lower voltage supply is used. This will cause Errors in data transmission and garbled displays.
• Remember depending on your Brightness these can produce a lot of power and therefore self-heat. Full White = ~300 Watts when using a 5.0V supply.
• It is recommended to keep your maximum current to under 15 Amps if you are installing this in a wearable.
• If you are using this flat in as a display it is recommended to keep the current below 30 Amps

New or Recycled

Save $50 if you buy the Recycled Panels.

• Recycled panels have had wires soldered to the panels then desoldered from the panels. They are coated with a thin coat of silicone conformal coating to assist with sweatproofing and may have artifacts of the coating going around the wires. The used panels have been handled, installed in soccer jerseys, removed from soccer jerseys
• New panels have never had wires connected or been powered up and have not been handled at all.