DIY - Variable Bench Power Supply (Very Powerful) - YouTube
Build your own 0-24V/3A Lab Power Supply with current limit - Electronics- Lab.com
0-30 Vdc Stabilized Power Supply with Current Control 0.002-3 A - Electronics-Lab.com
DC Bench Power Supply 30V 5A Adjustable 3-Digital LED Display, Switching Lab Power Supply with Free Alligator Clip US Power Cord: Amazon.com: Industrial & Scientific
Nicepower 5V 2A USB Diy Power Supply Laboratory Stabilizer Switch Supply 30V 60V 120V 4Digit Display Adjustable Bench Stabilized
Adjustable Bench Power Supply
How to Make a Bench Power Supply : 20 Steps (with Pictures) - Instructables