Name: Optocoupler Modular Module
Type: Adpater Board
Version: 1.0.0
Author: Dubravko Penezic
Copyright: Creative Commons BY-NC-SA v 3.0
Implemented function:

• Selectable power source on both side or use same for both side
• Selectable polarity on both side
• LED signaling
• PC817 Optocoupler chip
• Multi connection solution

PCB Top image:

PCB Bottom image: