4 Channel 12V Relay Module with Optocoupler – Reliable Switching for Your Projects
The 4 Channel 12V Relay Module with Optocoupler is an essential component for any electronics or automation project. It allows you to control high-voltage devices using low-voltage microcontrollers like Arduino, ESP32, STM32, and Raspberry Pi. With built-in optocouplers, this module offers excellent isolation between your microcontroller and the relay circuit, enhancing safety and performance.
Key Features of the 4 Channel 12V Relay Module with Optocoupler
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Voltage: 12V operating power
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4 Independent Relays – Supports simultaneous switching
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Built-in optocouplers for electrical isolation
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Compatible with Arduino, ESP32, STM32, and Raspberry Pi
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LED indicators for each channel
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Can switch up to 10A @ 250VAC or 10A @ 30VDC
Applications of 4 Channel 12V Relay Module with Optocoupler
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Home automation systems
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Industrial automation and control
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Smart farming and IoT-based switching
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DIY electronics projects
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Motor and light control systems
Why Choose Our 4 Channel 12V Relay Module with Optocoupler?
This module is a robust and reliable choice for anyone building an automation system. The optocoupler design protects your microcontroller from electrical spikes and noise. It’s perfect for students, engineers, and developers working with embedded systems.
If you’re also looking for a 5V 4 Channel Relay Module, check out our internal product here:
👉 5V 4 Channel Relay Module
Package Includes:
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1 x 4 Channel 12V Relay Module with Optocoupler
Technical Specifications:
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Relay Type: JQC-3FF-S-Z
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Channels: 4
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Trigger Voltage: 12V
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Dimensions: Approx. 7.1cm x 5.2cm
📘 Want to learn more about how to use relay modules in your electronics projects? Visit our YouTube channel:
🎥 MyTechLearner – Learn Embedded & IoT Projects
Upgrade your projects today with the 4 Channel 12V Relay Module with Optocoupler – the trusted solution for smart and safe switching.
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