---
product_id: 214632358
title: "12V 8 Channel USB Relay Module Computer Control Switch Drive Free For Smart Controller"
brand: "huaban"
price: "₩66056"
currency: KRW
in_stock: true
reviews_count: 1
category: "Huaban"
url: https://www.desertcart.kr/products/214632358-12v-8-channel-usb-relay-module-computer-control-switch-drive
store_origin: KR
region: South Korea
---

# 8A silver alloy relay contacts USB Type-B plug & play interface 12V power input for robust control 12V 8 Channel USB Relay Module Computer Control Switch Drive Free For Smart Controller

**Brand:** huaban
**Price:** ₩66056
**Availability:** ✅ In Stock

## Summary

> ⚡ Empower your smart setup with seamless 8-channel USB control!

## Quick Answers

- **What is this?** 12V 8 Channel USB Relay Module Computer Control Switch Drive Free For Smart Controller by huaban
- **How much does it cost?** ₩66056 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/214632358-12v-8-channel-usb-relay-module-computer-control-switch-drive)

## Best For

- huaban enthusiasts

## Why This Product

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

## Key Features

- • **Advanced ATMEGA8A Chip:** Reliable, high-performance control for professional-grade automation
- • **Plug & Play USB Control:** No drivers needed—instant smart switching
- • **Dual Power Input Flexibility:** Choose between power socket or terminal for seamless setup
- • **Memory Retention After Power Loss:** Relay maintains state even if USB or PC disconnects
- • **Stable & Durable Relay Performance:** High-quality silver alloy contacts rated for 8A load

## Overview

The HUABAN 12V 8 Channel USB Relay Module offers professional-grade, driver-free USB Type-B connectivity with robust 8A silver alloy relays. Featuring dual power input options and state retention after power loss, it ensures stable, reliable automation control powered by the high-performance ATMEGA8A chip—perfect for smart controllers and advanced DIY projects.

## Description

HUABAN 12V 8 Channel USB Relay Module Computer Control Switch Drive Free For Smart Controller : desertcart.co.uk: Business, Industry & Science

Review: Great once you have the software to run them. - Works great once you have the windows exe to run them. No documentation comes with it. Seller provides download link for commands but you have to ask for them. There are other exes on the internet but takes a bit of searching.

## Features

- Designed with square type-b USB interface, stable connection.
- High-performance control chip ATMEGA8A . High quality relay and dedicated relay driven ULN2803 chip ensure relay to work more stably.
- Two flexible and convenient power input methods: power socket and terminal.
- After connecting the power supply, relay can maintain the setting state even if the computer is power off or USB is disconnected from computer.
- None driver is needed. Plug and play.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08B3P8B8X |
| Best Sellers Rank | 178,875 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 948 in Relays |
| Brand | HUABAN |
| Coil Voltage | 12 Volts |
| Connector Type | USB Type B |
| Connector type | USB Type B |
| Contact Current Rating | 8 Amps |
| Contact Material | Silver Alloy |
| Contact Type | Normally Open |
| Contact material | Silver Alloy |
| Contact type | Normally Open |
| Country Of Origin | China |
| Current Rating | 8 Amps |
| Current rating | 8 Amps |
| Customer Reviews | 4.4 out of 5 stars 11 Reviews |
| Manufacturer | HUABAN |
| Mounting Type | Plug In Mount |
| Mounting type | Plug In Mount |
| Operation Mode | Off |
| UPC | 713806668342 |
| Wattage | 96 watts |

## Images

![12V 8 Channel USB Relay Module Computer Control Switch Drive Free For Smart Controller - Image 1](https://m.media-amazon.com/images/I/81KXI8k4rhL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great once you have the software to run them.
*by D***N on 7 June 2021*

Works great once you have the windows exe to run them. No documentation comes with it. Seller provides download link for commands but you have to ask for them. There are other exes on the internet but takes a bit of searching.

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**Shop now:** [https://www.desertcart.kr/products/214632358-12v-8-channel-usb-relay-module-computer-control-switch-drive](https://www.desertcart.kr/products/214632358-12v-8-channel-usb-relay-module-computer-control-switch-drive)

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*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-02-21*