DZS Elec LM2596 DC-DC Buck Converter High Power Step-Down Regulator Power Module Volt Stab

Product Description

Feature:
Length: 66mm
Width: 39mm
Height: 18mm
Weight: 28g
Input: 4.0-38v
Output: 1.25-36v

Note: 1. If the output power or output current is large, please add cooling module.
2. If the output voltage can not be adjusted, or always equals to input voltage. Please rotate the potentiometer anticlockwise for more than 10 circles, then it can work properly. That is because the factory default of output voltage is around 20v.
When switch the digital transistor to show the input or output voltage, the module will keep the last setting, . Even if the digital tube is power on after outage, it will also keep the state of the last switching.

The self-calibration method of buck converter voltmeter:
1. When the voltmeter shows output voltage, long press the right button for 2 seconds, then release, voltmeter and "OUT" LED flash in synchronization. Now the voltmeter enters into output voltage calibration mode. Similarly, when the voltmeter shows input voltage, long press the right button for 2 seconds, then release, voltmeter and "IN" LED flash in synchronization, now the voltmeter enters into input voltage calibration mode.
2. Touch the right button, the voltage rises a unit; Touch the left button, the voltage drops a unit. Due to a unit is less than 0.1 V, so you need to continuously press 5 times to see that the voltmeter changes 0.1 V.
3. After calibration, long press the right button for 2 seconds, then release. Now the voltmeter exits the voltage calibration mode. All the parameters will be saved automatically.

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