Dual Intelligent Dot Matrix Screen 
This Dual Intelligent Dot Matrix Screen has a dual 16x8 dot matrix display. The display is controlled by sending it commands from the SnapCPU™. The screen can display text and graphics, plot results and perform some basic animation effects.
The KodeKLIX Blockly plug-in includes special commands blocks to simplify the control of this device.
Power is connected to +v and -v, whilst data is transferred to the middle connection.