This flexible buck/boost power supply plugs directly into a Type A USB socket to give you an varible voltage DC power supply. 

With 5v input you can get 1~24 Vdc output at up to 3 watts power. Voltage is adjusted via a 30-turn potentiometer. The output voltage is displayed to 1 decimal place on the three digit LED display. 

Use cases: powering up sensors, simple signal generation (0~10Vdc / 4-20mA) - use your multimeter as the reference, simple electronics test bench power supply etc.

INPUT: 5 Vdc via USB A

OUTPUT: 0.7~27.5 Vdc via screw terminal

OUTPUT ADJUSTMENT: via 30-turn potentiometer

POWER: 3 watts max

IDLE CURRENT: 40 mA @ 27.5 Vdc

ENVIRONMENTAL RATINGS: -20℃~85℃ and 0~95%RH (non-condensing)

SIZE: 70*26*22mm