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SKU:1-Channel-Relay-Module
1 Channel Relay Module 5V — Arduino Compatible
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Rs.120.00
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Rs.120.00
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1 Channel Relay Module 5V — Single Channel Relay Board
The 1 Channel Relay Module 5V is the simplest and most popular way to control high-voltage AC or DC loads using a microcontroller like Arduino, ESP32, or Raspberry Pi. Whether you're building a smart home switch, an automated irrigation system, or an industrial control circuit, this relay module makes it effortless to switch mains-powered devices safely from your 5V microcontroller.
Technical Specifications
| Parameter | Value |
|---|---|
| Number of Channels | 1 |
| Control Voltage | 5V DC |
| Trigger Logic | Active LOW (default) |
| Relay Type | SPDT (Single Pole Double Throw) |
| Max AC Load | 250V AC / 10A |
| Max DC Load | 30V DC / 10A |
| Coil Current | ~70mA at 5V |
| Isolation | Optocoupler isolated input |
| Indicator LED | Yes (power + relay status) |
| Operating Temperature | -40°C to +85°C |
| PCB Size | ~50mm x 26mm |
Key Features
- Optocoupler isolated — protects your microcontroller from high voltage
- SPDT relay with NO (Normally Open) and NC (Normally Closed) contacts
- Active LOW trigger — compatible with Arduino, ESP32, Raspberry Pi
- Status LED indicator for relay state
- Screw terminal for easy load connection
- Can switch 250V AC / 10A loads safely
Pin Configuration
3-pin control header: VCC (5V power), GND (Ground), IN (Signal input — active LOW). Screw terminals: COM (Common), NO (Normally Open), NC (Normally Closed).
Applications
- Home automation — control lights, fans, appliances
- Arduino and ESP32 IoT projects
- Automated irrigation and water pump control
- Industrial on/off control systems
- Smart switch and timer circuits