This 2 Channel 5V Relay Module with Optocoupler is designed for switching high voltage/high current loads with complete isolation. Featuring two Songle SRD-05VDC-SL-C relays and optical isolation, it’s ideal for home automation, IoT, Arduino, Raspberry Pi, and ESP32 projects.
✅ Compatible with 3.3V logic (ESP32, ESP8266, Raspberry Pi) — requires 5V power supply for relay operation.
Key Features:
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2-channel 5V relay output module
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Optocoupler isolation for reliable switching and microcontroller protection
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Rated for 10A at 250V AC or 30V DC
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LED indicators for relay status
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Screw terminals for easy connection to AC/DC appliances
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Compatible with Arduino, ESP8266, ESP32, Raspberry Pi, STM32, and other microcontrollers
Specifications:
| Parameter | Details |
|---|---|
| Relay Type | Songle SRD-05VDC-SL-C |
| Operating Voltage | 5V DC |
| Channels | 2 |
| Trigger Level | LOW level active |
| Isolation | Yes (Optocoupler) |
| Max Switching Voltage | 250VAC / 30VDC |
| Max Switching Current | 10A |
| Dimensions | 50mm x 40mm x 18mm (approx.) |
Applications:
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Home automation
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Industrial control
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Smart appliances
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IoT-based switching
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Remote control of AC/DC devices
Package Includes:
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1 x 2 Channel 5V Relay Module with Optocoupler
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