Remixed PSU Frontal

Different frontal to allow use a potentimeter to adjust the voltage of one rail between 3-24v.

Use this regulator:

http://www.banggood.com/LED-Driver-Charging-Constant-Current-Voltage-Step-Down-Buck-Module-p-939196.html?p=Y@2816210169201306OP

And this display

http://www.banggood.com/0-33V-0-3A-Four-Bit-Voltage-Current-Meter-DC-Double-Digital-LED-Display-Voltmeter-Ammeter-p-1060303.html?p=Y@2816210169201306OP