---
product_id: 601713856
title: "12V 4 Channel USB Relay Module Programmable Computer Control Switch for Smart Home PC Intelligent Control"
brand: "electronicmaker"
price: "€ 25.04"
currency: EUR
in_stock: true
category: "Electronic Maker"
url: https://www.desertcart.pt/products/601713856-12v-4-channel-usb-relay-module-programmable-computer-control-switch
store_origin: PT
region: Portugal
---

# USB HID plug-and-play, no driver needed 4 independent programmable relay channels 12V coil voltage for robust power 12V 4 Channel USB Relay Module Programmable Computer Control Switch for Smart Home PC Intelligent Control

**Brand:** electronicmaker
**Price:** € 25.04
**Availability:** ✅ In Stock

## Summary

> ⚡ Power your smart life with 4x control channels — no drivers, no limits!

## Quick Answers

- **What is this?** 12V 4 Channel USB Relay Module Programmable Computer Control Switch for Smart Home PC Intelligent Control by electronicmaker
- **How much does it cost?** € 25.04 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/601713856-12v-4-channel-usb-relay-module-programmable-computer-control-switch)

## Best For

- electronicmaker enthusiasts

## Why This Product

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

## Key Features

- • **Smart Home Ready:** Automate doors, windows, and power supplies effortlessly from your PC.
- • **Developer-Friendly SDK:** Includes C++ libraries and DLLs for rapid integration into custom projects.
- • **Compact PCB Mount Design:** Sleek, space-saving form factor fits perfectly into your tech setup.
- • **Seamless USB HID Control:** Plug-and-play USB interface eliminates driver hassles, perfect for busy pros.
- • **Quad-Channel Power Switching:** Control up to 4 devices independently with precision and ease.

## Overview

The 12V 4 Channel USB Relay Module by ElectronicMaker offers a driver-free USB HID interface for instant PC control of up to four independent relay channels. Designed for smart home automation and robotics, it includes developer-friendly C++ libraries for seamless project integration, all housed in a compact PCB mount design.

## Description

Descriptions: This is USB controlled relay Board with 4 channels. It's used the HID technology, so no need to install any driver in windows system and you can easy to use. We also provide an application and the C++ develop library that you can easy to integrate this module to your project. This module can be used: 1. Home automation 2. Robotics Control 3. Control doors and windows via windows system 4. Controller power supply Application: 1. Supply the application code 2. Supply C++ lib and dll for building your own project (include usb_relay_device.dll, usb_relay_device.lib, usb_relay_device. Package included:1PCS*4 Channel USB Relay 12V Programmable Computer Control For Smart Home

## Features

- 12V 4 Channel USB Relay Module Programmable Computer Control Switch For Smart Home PC Intelligent Control

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B093FWL55F |
| Best Sellers Rank | #1,020,360 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #152 in Home Automation Modules |
| Brand | ElectronicMaker |
| Coil Voltage | 12 Volts |
| Connector Type | Usb |
| Contact Type | Normally Open |
| Date First Available | April 24, 2021 |
| Manufacturer | ElectronicMaker |
| Maximum Switching Voltage | 12 Volts |
| Mounting Type | PCB Mount |
| Operation Mode | Automatic |

## Product Details

- **Brand:** ElectronicMaker
- **Connector Type:** Usb
- **Contact Type:** Normally Open
- **Mounting Type:** PCB Mount
- **Operation Mode:** Automatic

## Images

![12V 4 Channel USB Relay Module Programmable Computer Control Switch for Smart Home PC Intelligent Control - Image 1](https://m.media-amazon.com/images/I/61EshUW1m3S.jpg)

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**Shop now:** [https://www.desertcart.pt/products/601713856-12v-4-channel-usb-relay-module-programmable-computer-control-switch](https://www.desertcart.pt/products/601713856-12v-4-channel-usb-relay-module-programmable-computer-control-switch)

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*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-03-16*