DC-DC Step Down Power Module 4V-38V to 1.25V-36V 5A Voltmeter Adjustable

This is really good value for £4.99. The display is a volt meter which can measure the incoming or output voltage at the touch of the push button, or turn off the display if you don't want it. Really pleased with the performance and ease to connect it.

Surprisingly stable for its size.. stepping doun from 24 to 12 v to run 4 stepper motors