Description
Description
The 5V 8-Channel Relay Module (Non-Optocoupler Version) is a practical and cost-effective control board designed to allow low-voltage circuits (such as Arduino, Raspberry Pi, ESP32, STM32, or other 5V microcontrollers) to independently switch up to eight high-power loads. These include lamps, solenoid valves, motors, pumps, and household appliances.
Unlike optocoupler-based versions, this module offers a simplified, direct-drive design using transistor switching. It is ideal for applications where isolation is not critical, and you need a reliable, compact solution for controlling multiple AC or DC devices. Each channel features a visible LED indicator to confirm relay activation status, simplifying debugging and operation.
This module is perfect for DIY home automation, industrial control prototyping, robotic projects, and educational use.
Features
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8 independent relays with status LEDs
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Direct 5V TTL logic level control
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High-current relay contacts (10A per channel)
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Standard male headers for easy wiring
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Screw terminals for high-voltage connections
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Low power consumption design
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Active HIGH trigger (easy to program)
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Compact board layout for panel mounting
Technical Parameters
| Parameter | Value |
|---|---|
| Operating Voltage | 5V DC |
| Trigger Logic | Active HIGH (2.5V–5V) |
| Number of Channels | 8 |
| Maximum Load Current (per relay) | 10A (resistive load) |
| Maximum Switching Voltage | 250V AC / 30V DC |
| LED Indicator | Yes (1 per channel) |
| Input Interface | 5-pin (VCC, GND, IN1–IN8) |
| Module Dimensions | Approx. 135mm × 56mm × 18mm |
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