Name: DC-DC Multi SD
Type: Adpater Board
Version: 1.0.0
Author: Dubravko Penezic
Copyright: Creative Commons BY-NC-SA v 3.0
Implemented function:

• Fuse (3A) and diode voltage input controlling
• Buck voltage step down controller MC2307 (KIS3R33)
• ON/OFF capability
• Output voltage controlled by variable or fixed resistor
• LED working signalization
• Additional place for up to two AS1117 step down voltage controller
• Input voltage 4.75-24V output voltage 1.84-20V

PCB Top & Bottom image:

Schematic: