DC-DC Converter based on the XL4016 PWM Buck (Step Down) converter.

Input voltage 8 - 32 V DC
Output voltage 1.25 - 28 V DC

Max. current 8 A
use a cooling fan with higher output power > 100 W

Output voltage and current are adjustable

When looking at the shown picture the left side trimmer is used to adjust current, right side is used for voltage

This product has been tested