SainSmart 4-Channel Relay... has been added to your Cart
1-Click ordering is not available for this item.

Other Sellers on Amazon
Add to Cart
$8.99
& FREE Shipping on eligible orders. Details
Sold by: Amazon.com
Have one to sell? Sell on Amazon

SainSmart 4-Channel Relay Module

4.3 out of 5 stars 199 customer reviews
Why we love this product:
  • Low Return Rate: 73% fewer returns than similar products
  • Highly Rated: More than 85% 4 star and 5 star reviews
  • Popular Item: Popular with customers shopping for "sainsmart relay"
Amazon's Choice Why we love this product

Price: $8.99 Free Shipping for Prime Members
FREE Shipping
Get free shipping
Free 5-8 business-day shipping within the U.S. when you order $25 of eligible items sold or fulfilled by Amazon.
Or get 4-5 business-day shipping on this item for $5.99. (Prices may vary for AK and HI.)
Learn more about free shipping
on orders over $25—or get FREE Two-Day Shipping with Amazon Prime

This item at this price, sold by Amazon.com, is currently reserved exclusively for Prime members.

Prime free trial and invitee customers: We will automatically apply an Amazon.com Gift Card to your Gift Card Balance in the amount equal to the Prime exclusive discount after you become a paid Prime member. If you cancel your paid Prime membership or return the qualifying smartphone within the first 3 months of your paid Prime membership, we may void your Gift Card or charge you in the amount of the Gift Card. Terms and Conditions apply.
Only 6 left in stock - order soon.
Standard Packaging
  • 5V 4-Channel Relay interface board, and each one needs 15-20mA Driver Current
  • Equipped with high-current relay, AC250V 10A ; DC30V 10A
  • Standard interface that can be controlled directly by microcontroller (Arduino , 8051, AVR, PIC, DSP, ARM, ARM, MSP431, TTL logic)
  • Indication LED's for Relay output status
2 new from $8.99

Frequently bought together

  • SainSmart 4-Channel Relay Module
  • +
  • Elite Silicone Airline Tubing for Aquarium, 10-Feet, Blue
  • +
  • 3-6V Mini Micro Submersible Pumps DC Motor Pump Water Pump - 80-120L/H
Total price: $25.96
Buy the selected items together


Have a question?

Find answers in product info, Q&As, reviews

Please make sure that you are posting in the form of a question.

Don't see what you're looking for?
There was a problem completing your request. Please try your search again later.
All Product Information Customer Q&A's Customer Reviews

From the manufacturer

Product description

Product Packaging:Standard Packaging

This is a 5V 4-Channel Relay interface board, Be able to control various appliances, and other equipments with large current. It can be controlled directly by Microcontroller (Arduino, 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic).


Product information

Product Packaging:Standard Packaging

Feedback

If you are a seller for this product, would you like to suggest updates through seller support?
Would you like to tell us about a lower price?

Customer Questions & Answers

Customer Reviews

Read reviews that mention

Top customer reviews

July 19, 2012
Package Type: Standard Packaging|Verified Purchase
Comment| 66 people found this helpful. Was this review helpful to you? Report abuse
March 16, 2013
Package Type: Standard Packaging|Verified Purchase
Comment| 20 people found this helpful. Was this review helpful to you? Report abuse
October 17, 2016
Package Type: Standard Packaging|Verified Purchase
Comment| 2 people found this helpful. Was this review helpful to you? Report abuse
September 23, 2016
Package Type: Standard Packaging|Verified Purchase
Comment| 10 people found this helpful. Was this review helpful to you? Report abuse
September 4, 2017
Package Type: Standard Packaging|Verified Purchase
Comment| One person found this helpful. Was this review helpful to you? Report abuse

Set up an Amazon Giveaway

SainSmart 4-Channel Relay Module
Amazon Giveaway allows you to run promotional giveaways in order to create buzz, reward your audience, and attract new followers and customers. Learn more about Amazon Giveaway
This item: SainSmart 4-Channel Relay Module
Pages with related products. See and discover other items: 4 channel, 5 channel, relay kit, relay switch