High-performance 4 Channel 5V Relay Module (HW-316) for controlling AC/DC loads using Arduino, ESP32, Raspberry Pi, or any microcontroller. Perfect for home automation and industrial control projects in Bangladesh. Read more
The 4 Channel 5V Relay Module (HW-316) is a powerful and reliable switching module widely used in IoT, robotics, smart home, and industrial automation projects in Bangladesh.
This relay module supports both AC and DC loads and can easily be controlled using Arduino, ESP32, ESP8266, Raspberry Pi, STM32, or any other 5V logic microcontroller.
With its optocoupler isolation, high-quality relays, and stable switching performance, it ensures maximum protection for your circuits and connected devices. Whether you want to build a smart home, automatic light control, water pump automation, security system, or industrial machine control, this 4-channel relay module is the ideal choice.
Perfect for Bangladeshi students, hobbyists, makers, and IoT developers.
| Specifications | Descriptions |
|---|---|
| Model | HW-316 |
| Relay Channels | 4 Channels |
| Operating Voltage | 5V DC |
| Trigger Voltage | 3.3V–5V compatible |
| Relay Output | AC 250V/10A, AC 125V/10A, DC 30V/10A, DC 28V/10A |
| Optocoupler Isolation | Yes |
| Signal Pins | IN1, IN2, IN3, IN4, GND, VCC, JD-VCC |
| Control Signal Type | Active LOW |
| LED Indicators | Per relay indicator |
| Isolation | Optocoupler + Transistor driver |
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