RD DPS5020 DC 6-60V to 0-50V 20A Constant Current Step-Down Power Supply Module Buck Voltage Converter Voltmeter Support Android Phone PC Communication (DPS5020-USB-BT)

it is the communication version, please check the instruction to see how it works, use one communication at a time, because only one communication board can be connected at a time ^^ Its adjustable output voltage range is 0- 50.00V, step by 0.01V. and make sure that the input voltage is 1.1 times higher than output voltage. ^^ Its adjustable output current range is 0- 20.00A, step by 0.01A. ^^ it has 10 data group to store settings, and you can press the V and A to quick set the value ^^ You can also set the over voltage value, over current value, over power value, screen brightness and other settings at the setting page