Just follow the schematic below, or build the LED matrix drive circuit (the right half of the schematic) separately and connect it to the Arduino Uno or variant via 5 wires (VCC, Ground, Data, Clock and Latch).
For a small board at a relatively small price, the D2000 appears to have a great deal of capability and potential. Documentation and Resources Capability and power in the absence of documented specifications are, at best, tedious and, at worst, an exercise in futility. In the case of...