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Feature

DROK step down voltage regulator board input voltage range is DC 6-40V, output voltage range is DC 0-38V, max output current is 8A, max output power is 200W
You can control output Voltage by setting the "on/off" button and the "in" and "out" on can switch the LED display of input Voltage and output Voltage.
It's recommended working in 4A or less without fan to enhance heat dissipation, it can work long term in 8A please don't Lead to short circuit.
The buck converter has integrated input mos reverse polarity protection circuit, so it will NOT damaged if wiring reversed.
Using the "set" button can setting the output Voltage, press the "+" "-" button to increase/decrease the value.

Description

Parameters:
IN+: Input Positive
IN-: Input Negative
OUT+: Output Positive
OUT-: Output Negative
Input Voltage: 6-40V (please don't over 40V, or it may cause damage)
Output Voltage: 0-38V
Output Power: 200W(MAX)
Output Current: 8A (over 4A, please enhance heatsink)
(Output short circuit may cause damage on the module, please don't lead to short circuit)
Output Voltage Resolution: 0.1V
Voltage Measurement Accuracy:+/-1%
Size: 60*66*36mm (non fan)
Circuit Protection: Integrated input MOS reverse polarity protection circuit, it will not damaged if reversed.

Note:
Before wiring, please check carefully the characters on the terminals of the input and output wire, and wiring in strict accordance with the character labels. Before operating buttons, please check carefully the characters beside the buttons on the PCB module and make sure the functions of every button.

Operation:
1. The ON/OFF button is the output voltage control button. After power-on, the default output is the state when it was last turned off. Pressing once can turn the output on or off. Press again to turn it on, and then cycle.
2. The two buttons on the left side of the digital tube (IN button, OUT button) can switch the digital tube to display the current input voltage and output voltage.
3. SET button is the output voltage setting button, short press the SET button, the output voltage decimal digits flashes, indicating that this bit is in the setting mode, with the two buttons on the left side of the digital tube (+ button, - button) can increase or decrease the value, thus setting the output voltage to increase or decrease; when the decimal digit is selected, press the SET button again, and the output voltage integer bit starts to flash indicating that it is the setting mode, also with the two buttons on the left side of the digital tube, the value can be set to what you need. When the required value is set, press the SET button to exit the setting mode. If the SET button is not pressed, the setting mode will be automatically exited after 6 seconds and the current setting value will be memorized.

Package includes:
1x NC Constant Volt/Amp Converter