Mini MP1584EN DC to DC buck converter adjustable power supply module 24V to 12V 9V 5V 3V
You can adjust the voltage by placing a multi-meter on the output, synchronously, using a screw driver to adjust a potentiometer. It can be minute adjustments to achieve a precise voltage
Application: DIY mobile power, monitor power supply, power buggies, camera power supply, car power, communications equipment supply,etc.

Specifications:
Output voltage: 0.8 V to 20 V
Input voltage: 4.5 V to 28 V
Output current: 3 A (maximum)
Conversion efficiency: 92% (maximum)
Output ripple: less than 30 mV
Switching frequency: 1.5 MHz (highest), typically 1 MHz
Operating temperature: -45 ℃ to 85 ℃

Package includes:
8 x Mini MP1584EN DC to DC buck converter