By A Mystery Man Writer
With this handy USB power supply you can get any voltage from 0.5V to 30V and up to 2A current.
USB-Powered Physics
Deluxe USB Male to Alligator Clips Adapter Cable
Adjustable DC Switching Power Supply - 0-30V 0-5A
Physics Products Online Store
Physics Products Online Store
Physics Products Online Store
Micro-USB to USB 2.0 Adapter
Digital Adjustable USB Power Supply - 1V to 30V 2A
USB Step-Up Power Supply - DC 5V to 9V 12V
Physics Products Online Store
Robotics and Electronics Kits
Analog Adjustable USB Power Supply - 1V to 30V 2A