High/Low Level Trigger Relay Module 1/2/4/8 Channel 5V12V24V Home Intelligent Control Module With Optocoupler Isolation Output

Introducing the versatile High/Low Level Trigger Relay Module – the perfect solution for DIY enthusiasts, makers, and smart‑home developers who need reliable, isolated switching for 5 V, 12 V, or 24 V systems. Available in 1, 2, 4, or 8‑channel configurations, this compact module delivers robust optocoupler isolation, ensuring safe and noise‑free operation in any home‑intelligent control project.

Key Highlights

• ✅ Flexible Channel Options: Choose from 1, 2, 4, or 8 channels to match your project’s scale.
• ✅ Wide Voltage Compatibility: Supports 5 V, 12 V, and 24 V input levels for maximum adaptability.
• ✅ High/Low Level Trigger: Seamlessly integrates with Arduino, Raspberry Pi, ESP8266/ESP32, and other micro‑controllers.
• ✅ Optocoupler Isolation: Guarantees electrical separation between control circuitry and high‑current loads, protecting your board from voltage spikes.
• ✅ Compact & Stackable Design: 30 mm × 20 mm footprint fits neatly on breadboards or custom PCBs.
• ✅ LED Indicators: Built‑in status LEDs show real‑time relay state for easy debugging.

Technical Specifications

• Operating Voltage: 5 V / 12 V / 24 V DC
• Trigger Type: High‑level & Low‑level (configurable via jumper)
• Relay Contact Rating: 250 V AC / 30 A DC (typical)
• Isolation Voltage: 5 kV (optocoupler)
• Power Consumption: ≤ 30 mA per channel
• Dimensions: 30 mm × 20 mm × 15 mm
• Mounting: Through‑hole pins for easy prototyping

Why Choose This Relay Module?

Designed with both hobbyists and professionals in mind, the High/Low Level Trigger Relay Module offers unmatched flexibility and safety. Its optocoupler isolation protects sensitive micro‑controllers while delivering up to 30 A of switching power, making it ideal for lighting control, motor drivers, HVAC systems, and any other home‑automation application.

Typical Applications

• Smart lighting and dimmer circuits
• Automated door locks and garage doors
• Temperature‑controlled HVAC and fan systems
• Robotics and motor control
• Security alarm and sensor integration
• Industrial equipment monitoring

Upgrade your intelligent control projects with a reliable, isolated, and easy‑to‑use relay solution. Order the High/Low Level Trigger Relay Module today and experience seamless integration across all your 5 V, 12 V, and 24 V applications.

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Price: $ 4.32 Original price was: $ 4.32.$ 1.47Current price is: $ 1.47.

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