⚡ 1 Channel 5V Relay Module (With Optocoupler / Light Coupling)
🔹 Product Overview
The 1 Channel 5V Relay Module with Optocoupler is a reliable and safe solution for controlling high-voltage devices using low-voltage microcontrollers. Designed with optical isolation (light coupling), this module protects your control circuit from voltage spikes and electrical noise, ensuring stable and secure operation.
Perfect for Arduino projects, smart home systems, industrial automation, robotics, and IoT applications.
✨ Key Features
🔌 5V DC operating voltage
🛡 Built-in optocoupler for electrical isolation & protection
🔻 Low-Level Trigger (Active LOW)
⚡ Controls high voltage & high current loads
💡 Dual LED indicators (Power & Relay Status)
🔄 SPDT relay output (NO / NC / COM)
🚀 Strong anti-interference capability
🧩 Compact PCB with mounting holes
🛠 Easy control interface (VCC, GND, IN)
📊 Technical Specifications
Operating Voltage: 5V DC
Trigger Type: Low-Level Trigger (Active LOW)
Isolation Method: Optocoupler (Light Coupling)
Relay Type: SPDT (Single Pole Double Throw)
Number of Channels: 1
Contact Rating:
10A @ 250V AC
10A @ 30V DC
Control Interface Pins: VCC, GND, IN
Output Terminals: NO (Normally Open), NC (Normally Closed), COM (Common)
Indicator LEDs:
Power LED
Relay Status LED
Mounting: PCB with fixing holes
Operating Temperature: -20°C to +70°C
🔧 Applications
🏠 Home automation systems
💡 Lighting & appliance control
🤖 Robotics and embedded systems
🌡 Industrial control circuits
🚰 Pump & motor switching
🌐 IoT-based smart control projects