USB Power Supply Module 5V to 3.3V 9V 12V 18V 24V Overload Protection Buck Boost Converter Module

Feature: 1. Adjustable Output: The voltage regulator module supports 5V to 3.3V 9V 12V 18V 24V multiple output levels to meet the needs of different electronic devices. 2. Stable Current: With current function, the output current can be monitored in real time to stabilize the output and protect the equipment. 3. Protection Function: With a variety of protection mechanisms, such as overload protection, overheating protection, short circuit protection, etc., to protect the safety of the equipment. 4. High Efficiency: High efficiency buck technology and high energy conversion efficiency, low internal transistor temperature, more safe and reliable. 5. Easy Using: The module is small enough to fit in your pocket or carry with you, or you can connect it directly to the power cord for use. Specification: Item Type: USB Power Supply ModuleMaterial: ABS Button:Left side ON key: short press control the output side to turn on or off, calibration mode for minus one unit of voltage or current value; long press long press more than 3 release, the digital tube off, press any key digital tube to resume display. Right SW key: short press switch between voltage, current and display; long press enter or exit calibration mode, enter in the display voltage interface to calibrate the voltage, enter in the display current interface to calibrate the current. Potentiometer knob: Turn clockwise to increase output voltage, turn counterclockwise to decrease output voltage, steplessly change voltage range 1.2 24V. Indicator light: V: Indicator light indicates that the current digital tube is displaying the voltage value, the unit is V; A: Indicator light indicates that the current digital tube is displaying the current value, and the unit is A.. Package List: 1 x USB Power Supply Module