This is an improved version of the BiColor Led Occupancy Display board. The key improvement is the addition of a resistor pack in series with the Red LED cathode so you can reduce the red brightness, as the Red is significantly brighter than the green with many bicolor 3 lead LEDs.

The board is offered as a bare board (panel of 4) and as a Panel and 4 sets of 2 SIPs (4.7K pullup, 220 Ohm common anode limiting) and 1K DIP resistor for the Red cathode.

CAD files and documentation