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From French Guiana

5Pcs LM2596S DC-DC LM2596 with LED Display Voltmeter Buck Converter Step-Down Regulator 4.0-40V to 1.25-37V DC 36V to 24V to 12V to 5V Power Supply Module Compatible with Car Motor Buck

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Product ID: 219724932

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dorhea

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About the item

LM2596 buck converter stably output, voltage conversion efficiency is up to 96%. The output voltage is 1.25V-37V (continuously adjustable, the input voltage must be 1V higher than the output voltage),the output current is 2A (normal and stable), the maximum is 3A..
The digital can be turn on or off, to show input or output voltage. With advanced voltage microprocessor, self calibration, the voltmeter error±0.1V, the input voltage is DC 0~40V, (Note: To ensure the accuracy of the voltmeter, please ensure that the input voltage is above 4V)..
NOTE: This is a buck module. The input and output connectors cannot be reversed. The input voltage must be higher than the output voltage. A radiator is required for long-term work above 2A/15W. When using it for the first time, it is necessary to turn the potentiometer counterclockwise more than 10 times..
Press the button next to voltmeter to test input voltage or output voltage. Green LED lights on when testing output voltage; red LED lights on when testing input voltage.Press the button for 1 to 4 seconds, voltmeter would be shut off when releasing your hands; the voltmeter is very accurate..
Analog control: using a mini screwdriver to increase or decrease output voltage by adjusting the screw, clockwise to step up voltage and counterclockwise to step down voltage..

Specification: Module Model: LM2596 Buck Converter + Voltmeter Cutting Size: 66.04mm x 35.05mm Input Voltage: DC 4.2-40V Output Voltage: 1.25V~37V (continuously adjustable, the input voltage must be 1V higher than the output voltage) Output Current: 2A (normal and stable), 3A Max Ripple Frequency: About 150Khz Ripple Peak: About 100mV Voltage Meter Error: ± 0.1V Keep output under 2A (or 15W), and use a heat sink when for a long time working Wiring connection: IN+: connect IN+ to your Input Positive IN-: connect IN- to your Input Negative Out+: connect OUT+ to your Output Positive Out-: connect OUT- to your Output Negative Applications: Experiment teaching Temporarily set up power supply in the outdoor Car(audio, electric fan)power supply How to calibrate the digital tube voltmeter: Optional steps for the person who need a highly accurate voltage value 1.Short press the left "ON/OFF" button to start up the digital tube voltmeter. Long press(>1s, <4 seconds) the left button to shut down the digital tube voltmeter. 2.Long press(>4 seconds) the left button to enter self-calibration of voltage measurement(calibration range: -0.5-0.5V, factory setting is 0.0). "IN" indicator lights = input voltage measurement calibration starts. Then, long press(>2 seconds) the right "Mode" button, "OUT" indicator lights = output voltage measurement calibration starts. Tap the left / right button to reduce / rise by one unit (since the voltage value of one unit is less than 0.1V, you need to 1-5 times tap the button continuously, so that the voltmeter can change by 0.1V) 3.After calibration, long press(>2 seconds) the right "Mode" button to preserve the adjusted value(no loss with outage) and back to normal voltage display. Package includes: 5 X DC-DC Volt Buck Converter

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