12V 1 Channel Relay Module with Optocoupler Isolation, High/Low Trigger Support, Model 1CH
Experience robust control and reliable performance for your electronic projects with the 12V 1 Channel Relay Module featuring optocoupler isolation, model 1CH. Designed for both professionals and hobbyists, this module ensures complete electrical isolation between your control circuit and load, greatly enhancing safety and stability. Ideal for smart home automation, laboratory systems, office equipment, and educational projects, this module is your perfect companion for a wide range of applications.
Technical
Specifications
- Brand: Generic Electronic Relay Module
- Model: 1CH
- Origin: China
- Operating Voltage: 12V DC
- Dimensions: 50mm x 26mm x 18.5mm (L x W x H)
- Channels: 1
- Isolation Type: Optocoupler (Optical Isolation)
- Mounting Holes: 4 holes (diameter 3.1mm, spacing 44.5mm x 20.5mm)
- Indicators: Power Indicator (green LED), Relay Status Indicator (red LED)
- Input Interface:
- VCC: Relay power supply +
- GND: Relay power supply -
- IN: Signal trigger input (supports high or low level, selectable via jumper)
- Output Interface:
- NO (Normally Open): Connects when relay is activated
- COM (Common): Shared connection pin
- NC (Normally Closed): Connects when relay is inactive
Key
Features
- Effective optocoupler isolation for superior protection of sensitive circuits against electrical interference.
- Supports both high-level and low-level signal triggers, making it compatible with various microcontrollers and platforms such as Arduino, Raspberry Pi, and more.
- Clear LED indicators for power and relay status to simplify monitoring and troubleshooting.
- Convenient installation with standard mounting holes for secure placement.
Use Cases
- Smart home automation: Control lights, fans, water pumps, and other appliances.
- Robotics and engineering projects: Switch high-power devices safely from low-power controllers.
- Security and alarm systems: Activate sirens, locks, or warning lights.
- Office and laboratory equipment: Manage electrical devices or automate testing setups.
Benefits
- Enhanced safety thanks to optical isolation, preventing voltage spikes from affecting sensitive control circuits.
- Flexible and easy to program, suitable for both beginners and advanced users.
- Compact size fits into tight spaces, making it ideal for various project enclosures.
- Simple maintenance and straightforward wiring for hassle-free operation.
Care Instructions
- Always use with the recommended 12V DC power supply.
- Avoid exposing the module to moisture or extreme heat.
- Check all electrical connections before powering on to ensure safe operation.
- Do not exceed the relay’s maximum current rating to avoid damage.
- The 12V 1 Channel Relay Module with Optocoupler Isolation, model 1CH, delivers reliable and safe switching for all your automation needs. Whether you're upgrading your home, office, or building a new tech project, this module offers dependable performance and easy integration into any environment.
