DC 6-24V to 5V USB Output Step Down / Buck Module

Do you need a 5V power supply for your Arduino, but have a higher voltage power source. You can adjust that voltage to 5V using this module.

This module is a step-down converter module that can cater to power supply ranging from 6V to 24V with an output of constant 5V power supply through a USB port. It has 97.5% conversion efficiency and has an output current of 3A. It has a built-in output overvoltage protection, as well as input reverse polarity protection.

You could use this in connecting USB powered components, as well as charging your mobile phones. You could install this module in vehicles for easy 5V supply usage.