• MXN$239.63
  • VAT-Inclusive Price
Ships from Hong Kong.
Most customers receive within 10-17 days.
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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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Overview
Specs
Reviews

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.



Warranty & Returns

Warranty, Returns, And Additional Information

Return Policies*

  • Return for refund within: 30 days
  • Return for replacement within: non-replaceable
  • This item is covered by YunYunKeJiShiZhuangDian Return Policy
  • *Subject to applicable law
  • Warranty Notice:

    This product does not include manufacturer warranty when purchased or used outside of its designated sales region. By purchasing internationally, you acknowledge that warranty support from the manufacturer will not be available.

Manufacturer Contact Info

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