---
product_id: 4103638
title: "SainSmart USB 4 Channel DC 12V Relay Module Automation for Arduino Raspberry Pi DSP AVR PIC ARM"
brand: "sainsmart"
price: "B/.67"
currency: PAB
in_stock: true
category: "Sain Smart"
url: https://www.desertcart.com.pa/products/4103638-sainsmart-usb-4-channel-dc-12v-relay-module-automation-arduino
store_origin: PA
region: Panama
---

# SainSmart USB 4 Channel DC 12V Relay Module Automation for Arduino Raspberry Pi DSP AVR PIC ARM

**Brand:** sainsmart
**Price:** B/.67
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** SainSmart USB 4 Channel DC 12V Relay Module Automation for Arduino Raspberry Pi DSP AVR PIC ARM by sainsmart
- **How much does it cost?** B/.67 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.pa](https://www.desertcart.com.pa/products/4103638-sainsmart-usb-4-channel-dc-12v-relay-module-automation-arduino)

## Best For

- sainsmart enthusiasts

## Why This Product

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

## Description

Overview: This USB Relay Controller/Data Acquisition Module allows computer controlled switching of external devices as well as full bi-directional communication with the external world (ideal for Data Acquisition applications) using the USB port of your computer. The controller is very flexible and can be used in many custom applications including weather stations as well as temperature monitoring, logging and control as it can be easily connected to temperature and other types of sensors.Communication Parameters: 8 Data, 1 Stop, No Parity Baud rate : 9600 Drivers are available to work with the following operating systems: Windows Server 2008 R2, Windows 7, Windows 7 x64, Windows Server 2008, Windows Server 2008 x64, Windows Vista, Windows Vista x64, Windows Server 2003, Windows Server 2003 x64, Windows XP, Windows XP x64, Windows 2000, Windows ME, Windows 98, Linux, Mac OS X, Mac OS 9, Mac OS 8, Windows CE.NET (Version 4.2 and greater) Commands: FIRST channel commands: OFF command : FF 01 00 (HEX) or 255 1 0 (DEC) ON command : FF 01 01 (HEX) or 255 1 1 (DEC) SECOND channel commands: OFF command : FF 02 00 (HEX) or 255 2 0 (DEC) ON command : FF 02 01 (HEX) or 255 2 1 (DEC) THIRD channel commands: OFF command : FF 03 00 (HEX) or 255 3 0 (DEC) ON command : FF 03 01 (HEX) or 255 3 1 (DEC) FOURTH channel commands: OFF command : FF 04 00 (HEX) or 255 4 0 (DEC) ON command : FF 04 01 (HEX) or 255 4 1 (DEC) Download: https://s3-ap-northeast-1.desertcartaws.com/sain-amzn/20/20-018-909/20-018-909.rar

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B009A5246E |
| Best Sellers Rank | #4,173 in Single Board Computers (Computers & Accessories) |
| Brand | SainSmart |
| Brand Name | SainSmart |
| Coil Voltage | 12 volts |
| Connector Type | Usb |
| Contact Material | Copper |
| Contact Type | Normally Open |
| Customer Reviews | 3.6 out of 5 stars 27 Reviews |
| Manufacturer | SainSmart |
| Maximum Switching Voltage | 12 volts |
| Minimum Switching Voltage | 12 volts |
| Model | 101-70-117-03 |
| Mounting Type | Plug In Mount |
| Number of Items | 4 |
| Operation Mode | Automatic |
| Unit Count | 4 Count |

## Product Details

- **Brand:** SainSmart
- **Connector Type:** Usb
- **Contact Material:** Copper
- **Contact Type:** Normally Open
- **Mounting Type:** Plug In Mount

## Images

![SainSmart USB 4 Channel DC 12V Relay Module Automation for Arduino Raspberry Pi DSP AVR PIC ARM - Image 1](https://m.media-amazon.com/images/I/41aYDXWyvJL.jpg)

## Frequently Bought Together

- SainSmart USB 4 Channel DC 12V Relay Module Automation for Arduino Raspberry Pi DSP AVR PIC ARM
- SainSmart 16-Channel 9-36V USB Relay Module
- SainSmart USB Eight Channel Relay Board for Automation - 12 V

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**Shop now:** [https://www.desertcart.com.pa/products/4103638-sainsmart-usb-4-channel-dc-12v-relay-module-automation-arduino](https://www.desertcart.com.pa/products/4103638-sainsmart-usb-4-channel-dc-12v-relay-module-automation-arduino)

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*Product available on Desertcart Panama*
*Store origin: PA*
*Last updated: 2026-10-21*