• $12.06
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    LM393 Voltage Comparator Module, 4.5-28V Analog Comparator Control Board with High Level Output and LED Indicator

    • Wide working voltage range 4.5V to 28V, compatible with most DC power supply scenarios.
    • Adopts high-precision LM393 chip, stable analog voltage comparison and trigger control.
    • High level output design, convenient to drive relay, MCU and other control equipment.
    • Built-in LED indicator, clearly displays working status at a glance.
    • Compact module layout, simple wiring, perfect for electronic DIY, overvoltage and undervoltage detection.
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    This LM393 voltage comparator module features wide 4.5-28V operating voltage and reliable analog signal comparison function. It outputs high level signal after voltage threshold triggering, equipped with onboard LED indicator to show real-time working state. With stable performance and strong anti-interference ability, it is easy to install and wire. Widely used for voltage detection, signal triggering, automatic control circuits and various electronic maintenance and DIY project applications.



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