Keyes LM2577 DC-DC Step UP LED Voltmeter 3-34 to 4-35V Adjustable Booster Buck Converter Adapter Module Voltage Regulator

Parameters :

Module Properties: non-isolated step-up module

Input voltage :3-34V

Output voltage: adjustable (4-35V)

Output Current : 2.5A (MAX)

Input current : 3A (MAX)

Module size : 49 (mm) x26 (mm)

Input : IN + input positive level , IN- input negative

Output : OUT + output positive level , OUT- output negative

Adjustment method : first correct the input power (3-34V, between ) then multimeter to monitor and adjust the potentiometer output voltage

Output Voltage :4-35V continuously adjustable 

Features:

1 display with a voltage meter , voltmeter error of 0.1V, range 0-40V. ( Note: To ensure accuracy voltmeter , please ensure that the input voltage is 3V or more )

2 . Touch of a buttonMeasure the input or output voltage switch , and indicator shows what is being measured voltages ;

3 has a power-down memory function , showing that the circuit voltage value measured for the last time after power ;

4 Press touch of a button for 3 seconds to turn off the LED display , touch the button again to turn on the LED display ;