Product Description
System consists of main board and multiple LED modules.
It is possible to connect to main board up to 3 LED modules.
Each LED module contains 8 two-color LEDs (red or green). Color is set with DIP switch placed on back side of the module.
Main board allows connect 7 more external LEDs (can be used for example as buttons backlight), which also can be tested.
Attachments:
Scheme
LED module design
Main board design