HUB40A LED Expansion HUB Card Interface Definition:1RD12RD23GD14BD15RD36RD47GD28BD29CLK10GND11LAT12GND13OE14GND15GND16GND Remarks: Please make sure the interface definition of HUB card is the same as what you would like before you confirm the order. Any query, you can talk with us online or email us.
