Arduino Relay Shield

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We’ve spent hundreds of hours researching and comparing Arduino Relay Shield of all specifications to find the best one for any need (or budget). Here are the results.

The Best Arduino Relay Shield of 2020 – Top Rated & Reviewed

2,865 Reviews Scanned

Rank No. #1
HiLetgo 5V 4 Channel Relay Shield for UNO R3 Relay Shield Four Channel Relay Shield for UNO R3
  • 5V 4 Channel Relay Shield for Arduino UNO R3
  • UNO R3 Relay Shield with Four Channel Relay
  • With Indication LED's for Relay output status
  • Standard interface that can be controlled directly by microcontroller
Rank No. #2
KEYESTUDIO 4 Channel Relay Shield 5V for Arduino Controller R3 ARM PIC AVR STM32 Raspberry Pi HIGH Level Trigger Relay Module Expansion Board
  • It integrates 4-channel 5V relay module, and is fully compatible with R3 control board.
  • The 4-channel relay module shield is active at HIGH level.
  • Relay Terminals: high-power, high-current high voltage can be connected to the device.
  • Separately connect the 4-channel relay to digital port 4, 5, 6, 7 on the R3 control board, then through controlling output HIGH or LOW to control the relay on and off.
  • How to use: search for "keyestudio wiki ks0251" in Google Chrome to get the wiki online tutorial for this product.
Rank No. #3
Arduino 4 Relays Shield
  • The Arduino 4 Relays Shield is a solution for driving high power loads that cannot be controlled by Arduino's digital IOs, due to the current and voltage limits of the microcontroller.
  • The Shield features four relays, each relay provides 2 pole changeover contacts (NO and NC)
  • Four LEDs indicate the on/off state of each relay.
  • Fully Supported by Arduino
  • Genuine Arduino Item Support Arduino Open Source
Rank No. #4
Arduino 4 Relays Shield [A000110]
  • The Arduino 4 Relays Shield works with Arduino Uno, Uno SMD, Mega, Zero, Due, or Leonardo.
  • Each relay can be independently controlled and provides a 2 pole changeover.
  • Doesn't need external power, works with the power input on your Arduino board.
  • Includes a plastic separator to electrically isolate the relays from the microcontroller.
  • Connect other sensors and actuators through the shield’s Molex connectors.
Rank No. #5
ARCELI 5PCS KY-019 5V One Channel Relay Module Board Shield for PIC AVR DSP ARM for Arduino Relay
  • Name:Arduino kits module
  • 5V relay module 1 way relay module ARDUINO
  • New 5V relay module
  • This product contains 5 modules
  • 100% brand new
Rank No. #6
seeedstudio - Relay Shield v3.0 - DIY Maker Open Source BOOOLE
  • BOOOLE INC. researches and develops electronic products and open source hardware with the aim of promoting MAKER SPACE and DIY practice. It makes you believe innovation and invention are no more exclusive to scientific research institutes.
Rank No. #7
SunFounder 4 Channel 5V Relay Shield Module for Arduino R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 Raspberry Pi
  • 5V 4-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 (for Arduino , 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic)
  • Indication LED’s for Relay output status
SaleRank No. #8
Iot Relay - Enclosed High-power Power Relay for Arduino, Raspberry Pi, PIC or Wifi, Relay Shield
  • Safe, Reliable Power Control
  • One circuit, 4 outlets, 2x NC, 2x NO
  • Wires to your Arduino, Raspberry Pi, PIC, or other micro
  • Takes the place of a relay board. Fully assembled and ready to use.
  • Includes surge supression, debounce, safety breaker
Rank No. #9
DAOKI 4 Channel 5v Relay Shield Module for Arduino UNO R3 Relay Shield Interface 4 Four Channel for PIC AVR DSP ARM MCU Arduino UNO R3
  • Standard for Shield interfaces and shape
  • Can continue to stack other for expansion boards
  • 3 M3 screw positioning holes for easy installation
  • High Drive (5V or 3.3V) normally open contact closure
  • Onboard relay indicator (red)
Rank No. #10
ELEGOO 4 Channel DC 5V Relay Module with Optocoupler for Arduino UNO R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 Raspberry Pi
  • This relay module is 5V active low. Relay output maximum contact is AC250V 10A and DC30V 10A.
  • Standard interface can be directly connected with microcontrollers.
  • Working status indicator lights are conducive to the safe use
  • 4-channel relay interface board, which can be controlled directly by a wide range of microcontrollers such as Arduino, AVR, PIC, ARM, PLC, etc. It is also able to control various appliances and other equipments with large current.
  • Widely used for all MCU control, industrial sector, PLC control, smart home control.

Top Rated Arduino Relay Shield to Buy Now

 

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Why You Should Buy Best Arduino Relay Shield from Amazon

Amazon is not the only store that sell Arduino Relay Shield. However, there are several compelling reasons why you should buy Arduino Relay Shield from them, with the suitable Price and Reviews. Here are five:

(1) Amazon Makes Shopping Arduino Relay Shield Personal

Amazon is very good at making recommendations of Arduino Relay Shield based on your search history. From time to time, they will even show you discounted prices on Arduino Relay Shield that you previously expressed an interest in. They also make your shopping experience a little easier by showing you items that you recently viewed.

(2) Amazon Checkout is Easy

Amazon checkout is easy, especially if you already have an account. You can add Arduino Relay Shield to your cart and go through a multi-step checkout process, or you can buy Arduino Relay Shield with only one click by using your stored credit card information.

(3) Amazon Has Lots of Social Proof

Before you make a purchase for Arduino Relay Shield, you want to know that the company you are dealing with is legitimate and that others trust the company enough to make a purchase. You may also like to read what others are saying about the product in the review section. Amazon does all of this quite well.

(4) Amazon Has Great Arduino Relay Shield Images and Descriptions

In addition to still images, many of Amazon’s Arduino Relay Shield have videos. This makes it easier for you to see exactly what you are purchasing. Amazon’s Arduino Relay Shield descriptions are also quite good. In many cases, Amazon repeats the descriptions furnished by the manufacturer. In other cases, they write their own.

(5) The Amazon Site is Easy to Navigate

Navigating the Amazon site is easy. Even though the site is huge, you will not feel overwhelmed when searching for Arduino Relay Shield. This is partly due to Amazon’s filtering process. You can search for items by brand, price or user rating. You can also search for specific features.

How to Choose the Best Arduino Relay Shield (with Price and Reviews)

Although most Arduino Relay Shield are similar, there are several differences worth noting. Here are nine criteria to consider when choosing an Arduino Relay Shield:

(1) Arduino Relay Shield Price and Reviews

Although price is not the only factor to consider, it is nevertheless extremely important. The price of an Arduino Relay Shield should be in line with its value. You can compare Arduino Relay Shield reviews to make sure you are getting a fair price. This is easy to do on Amazon.

(2) Demand

The demand for a particular Arduino Relay Shield is a good indication of its ability to perform the functions for which it was designed. If a product has been around for a while and still has a high demand, it is likely a good product.

(3) Material

Arduino Relay Shield materials differ from manufacturer to manufacturer. Consider where and how you will be using your Arduino Relay Shield to determine if one material would be better than another.

(4) Size

Like most products, Arduino Relay Shields come in various sizes. Do you need a large Arduino Relay Shieldor a small one? Think about where you will use your Arduino Relay Shield in order to determine the best size. You can also read the customer reviews on Amazon to see what others are saying about the size of the unit they purchased.

(5) Color

Arduino Relay Shields also come in a variety of colors. Do you need a particular color? You should also consider whether the color of your Arduino Relay Shield would have any effect on the efficiency of its operation.

(6) Durability

The durability of an Arduino Relay Shield will be contingent on the materials used as well as the quality of the manufacturing process. Additionally, the type of Arduino Relay Shield you purchase may affect its durability.

(7) Storage

Will you need to store your Arduino Relay Shield? If so, you should consider the size and weight of the Arduino Relay Shieldto make sure that it can be stored properly. Also, give some consideration to the type of climate in which your Arduino Relay Shield will be stored.

(8) Customer Ratings

Customer rating is one of the best criteria for choosing an Arduino Relay Shield. It is hard to know exactly how an Arduino Relay Shield will perform until you get it home and try it out.

(9) WaThe Best Arduino Relay Shield of 2020 – Top Rated & Reviewedrranty

Make sure the Arduino Relay Shield you are considering is backed by a good manufacturer’s warranty. If it isn’t, you might be better off with another ones.

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