LM393 Voltage Comparator Module 3.5-24V with LED Indicator GIUIN

Description

Product Overview

The GIUIN LM393 Voltage Comparator Module is a compact, high‑performance component designed for precise analog signal comparison across a broad voltage range. Built around the trusted LM393 dual‑channel comparator chip, the module operates from 3.5 V up to 24 V, making it suitable for both low‑power and industrial‑grade applications. Its copper‑based PCB ensures excellent thermal conductivity and durability, while the green enclosure provides visual identification and protection against environmental factors. The module includes a built‑in LED indicator that lights up to show the output state, simplifying troubleshooting and real‑time monitoring. Dimensions of 3.54 × 3.54 × 0.39 inches and a lightweight of 0.529 oz make it easy to mount on standard DIN rails or integrate into custom enclosures. The product is listed under the Industrial & Scientific category, specifically within Signal Components and Comparators, reflecting its suitability for signal processing, control systems, and automation projects.

Usage

This comparator module excels in environments where accurate voltage threshold detection is critical. Typical use cases include sensor signal conditioning, where the LM393 can compare a sensor‑derived voltage against a reference set by an external potentiometer, delivering a clean digital output for microcontroller inputs. It is also ideal for power‑management circuits, such as battery monitoring, where the module can trigger alarms or control switches when voltage levels cross predefined limits. In industrial automation, the dual‑channel capability allows simultaneous monitoring of two independent signals, supporting complex control logic without additional components. The LED indicator provides immediate visual feedback, which is valuable in laboratory test rigs, educational settings, and field installations where quick status verification is required. The wide input voltage range accommodates 24 V industrial power supplies as well as lower‑voltage battery‑powered systems, offering flexibility across diverse projects.

Why Choose Us

Choosing the GIUIN LM393 Comparator Module means selecting a product backed by rigorous quality assurance and a reputation for reliability. Each unit undergoes comprehensive testing to verify voltage tolerance, output accuracy, and LED functionality, ensuring consistent performance across batches. The copper construction not only enhances heat dissipation but also provides a robust platform that resists mechanical stress and corrosion, extending the module’s service life in demanding environments. GIUIN’s commitment to customer support includes detailed datasheets, application notes, and responsive technical assistance, helping engineers integrate the module quickly and efficiently. Moreover, the module’s competitive pricing—priced at just $6.89—delivers excellent value without compromising on performance, making it an attractive choice for both prototype development and large‑scale production. With a strong track record reflected in a 4.6‑star rating from verified buyers, the module has proven its capability to meet the expectations of professionals across the electronics and industrial sectors.

Key Features

• Wide operating voltage from 3.5 V to 24 V for versatile power options
• Built‑in LED indicator provides instant visual status of output state
• Dual‑channel LM393 chip enables simultaneous comparison of two signals
• Compact copper PCB ensures excellent thermal performance and durability
• Responsive technical support and comprehensive documentation for easy integration

FAQ

What input voltage range does the module support?

The module operates reliably from 3.5 V up to 24 V, covering most low‑power and industrial power supply scenarios.

How does the LED indicator work?

The LED lights up when the comparator output is high, providing a clear visual cue of the signal state without the need for additional monitoring equipment.

Can I use the module with a microcontroller?

Yes, the digital output of the LM393 is compatible with standard microcontroller logic levels, making it easy to interface with Arduino, Raspberry Pi, or other development boards.

Is the module suitable for battery‑powered applications?

Absolutely. Its low‑power consumption and ability to operate down to 3.5 V make it ideal for battery‑operated devices and portable instrumentation.

What warranty or support does GIUIN provide?

GIUIN offers a standard one‑year warranty covering manufacturing defects, along with access to technical support resources, application notes, and prompt assistance for integration queries.