---
product_id: 22937298
title: "NEW 2pcs One Channel Isolated 5v Relay Module Coupling for Arduino Optocoupler"
brand: "royfee electronics"
price: "HK$106"
currency: HKD
in_stock: true
url: https://www.desertcart.hk/products/22937298-new-2pcs-one-channel-isolated-5v-relay-module-coupling-arduino
store_origin: HK
region: Hong Kong
---

# NEW 2pcs One Channel Isolated 5v Relay Module Coupling for Arduino Optocoupler

**Brand:** royfee electronics
**Price:** HK$106
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** NEW 2pcs One Channel Isolated 5v Relay Module Coupling for Arduino Optocoupler by royfee electronics
- **How much does it cost?** HK$106 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/22937298-new-2pcs-one-channel-isolated-5v-relay-module-coupling-arduino)

## Best For

- royfee electronics enthusiasts

## Why This Product

- Trusted royfee electronics brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

This is a 5V 1-Channel Relay interface board, be able to control various appliances, and other equipment with large current. It can be controlled directly by Micro-controller (Arduino, 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic). 5V 1-Channel Relay interface board, and each one needs 15-20mA Driver Current Standard interface that can be controlled directly by microcontroller (Arduino, 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic Equipped with high-current relay, AC250V 10A ; DC30V 10A Indication LEDs for Relay output status Equipped with screw holes for easy installation 5V 1-Channel Relay interface board, and each one needs 15-20mA Driver Current. Equiped with high-current relay, AC250V 10A ; DC30V 10A. Standard interface that can be controlled directly by microcontroller (Arduino , 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic). Indication LED's for Relay output status.

## Features

- Size:53mm*28.3mm*19.3mm
- Net wieght : 18g
- PCB color: black
- With 4 fixed screw holes , hole diameter 3.1mm, convenient installation and fixation

## Images

![NEW 2pcs One Channel Isolated 5v Relay Module Coupling for Arduino Optocoupler - Image 1](https://images-na.ssl-images-amazon.com/images/I/41kRRq8aFdL.jpg)

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**Shop now:** [https://www.desertcart.hk/products/22937298-new-2pcs-one-channel-isolated-5v-relay-module-coupling-arduino](https://www.desertcart.hk/products/22937298-new-2pcs-one-channel-isolated-5v-relay-module-coupling-arduino)

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*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-03-20*