2PCS USB Buck Boost Converter Adjustable Step UP Step Down Power Supply Module Voltage Regulator DC-DC 5V to 3.3V 9V 12V 18V 24V
Special Features
- Simple operation: powered by USB/Micro USB/Soldering pad, adjust potentiometer to get the required voltage.
- Adjustable voltage: adopt multi-turn precision adjustable potentiometer to adjust voltage.
- One key design: One key to turn off the output and digital tube (short press to turn off the output, long press to turn off the digital tube).
- Data storage: automatically save the state before the power failure, the output data will not be lost.
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