All
Search
Images
Videos
Shorts
Maps
News
More
Shopping
Flights
Travel
Notebook
Report an inappropriate content
Please select one of the options below.
Not Relevant
Offensive
Adult
Child Sexual Abuse
Length
All
Short (less than 5 minutes)
Medium (5-20 minutes)
Long (more than 20 minutes)
Date
All
Past 24 hours
Past week
Past month
Past year
Resolution
All
Lower than 360p
360p or higher
480p or higher
720p or higher
1080p or higher
Source
All
Dailymotion
Vimeo
Metacafe
Hulu
VEVO
Myspace
MTV
CBS
Fox
CNN
MSN
Price
All
Free
Paid
Clear filters
SafeSearch:
Moderate
Strict
Moderate (default)
Off
Filter
Shop optocoupler relay
Sponsored
$15.99
Dafurui 5V Relay Module8pack 1 Channel Relay Module 5V Relays Board With Optocoupler Support High/Low Level Trigger For Arduino Relays
Amazon.com
77
$15.99
Dafurui 5V Relay Module8pack 1 Channel Relay Module 5V Relays Board With Optocoupler Support High/Low Level Trigger For Arduino Relays
Amazon.com
77
$12.49
ANMBEST Relay Module With Optocoupler High/Low Level Trigger For Arduino (12, 12V Relay 8 Channel)
Amazon.com
333
$12.49
ANMBEST Relay Module With Optocoupler High/Low Level Trigger For Arduino (12, 12V Relay 8 Channel)
Amazon.com
333
$11.29
Hiletgo 12V 8 Channel Relay Module With OPTO-Isolated High And Low Level Trigger 8 Ways Relay Switch Module For Arduino
Amazon.com
211
$11.29
Hiletgo 12V 8 Channel Relay Module With OPTO-Isolated High And Low Level Trigger 8 Ways Relay Switch Module For Arduino
Amazon.com
211
$5.89
Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
Amazon.com
436
$5.89
Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
Amazon.com
436
$44.16
859-796 WAGO Optocoupler Module - 24VDC Input - Gray
Valin Process Control Solutions
$44.16
859-796 WAGO Optocoupler Module - 24VDC Input - Gray
Valin Process Control Solutions
$17.95
JESSINIE 16 Channel 5V Relay Module With Optocoupler Isolation 10A IIC Expandable Isolation Driver Relay Board XL9535-K16V5
Amazon.com
4
$17.95
JESSINIE 16 Channel 5V Relay Module With Optocoupler Isolation 10A IIC Expandable Isolation Driver Relay Board XL9535-K16V5
Amazon.com
4
$5.99
NOYITO 9V 2-Channel Relay Module High Low Level Trigger With Optocoupler Isolation Relay Load AC 0-250V 10A DC 0-30V 10A Circuit Switch Board
Amazon.com
4
$5.99
NOYITO 9V 2-Channel Relay Module High Low Level Trigger With Optocoupler Isolation Relay Load AC 0-250V 10A DC 0-30V 10A Circuit Switch Board
Amazon.com
4
$9.99
NOYITO 6-Channel Relay Module 5V 12V 24V High Low Level Trigger With Optocoupler Isolation Relay Load AC 250V 10A DC 30V 10A (DC 24V, Blue)
Amazon.com
27
$9.99
NOYITO 6-Channel Relay Module 5V 12V 24V High Low Level Trigger With Optocoupler Isolation Relay Load AC 250V 10A DC 30V 10A (DC 24V, Blue)
Amazon.com
27
$17.99
Fainwan 2Pcs 8 Channel DC 5V Relay Module With Optocoupler For UNO R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 Rasp-Berry Pi
Amazon.com
3
$17.99
Fainwan 2Pcs 8 Channel DC 5V Relay Module With Optocoupler For UNO R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 Rasp-Berry Pi
Amazon.com
3
$9.99
4Pcs 4 Channel 5V Relay Module With Optocoupler For R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 For Raspberry Pi
Amazon.com
2
$9.99
4Pcs 4 Channel 5V Relay Module With Optocoupler For R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 For Raspberry Pi
Amazon.com
2
$11.39
Hiletgo 5V 8 Channel Relay Module With OPTO-Isolated Support High And Low Level Trigger
Amazon.com
31
$11.39
Hiletgo 5V 8 Channel Relay Module With OPTO-Isolated Support High And Low Level Trigger
Amazon.com
31
$11.99
Geekstory 5PCS 2 Channel 5V Relay Module 10A With Optocoupler Low Level Trigger Expansion Board For Arduino R3 MEGA 2560 1280 DSP ARM PIC AVR DSP
Amazon.com
27
$11.99
Geekstory 5PCS 2 Channel 5V Relay Module 10A With Optocoupler Low Level Trigger Expansion Board For Arduino R3 MEGA 2560 1280 DSP ARM PIC AVR DSP
Amazon.com
27
$13.99
DIANN 2Pcs 5V 30A 2-Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load For PLC Automation Equipment Control Industrial
Amazon.com
$13.99
DIANN 2Pcs 5V 30A 2-Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load For PLC Automation Equipment Control Industrial
Amazon.com
$10.97
8 Channel 5V Relay Module With Optocoupler Isolation Support High And Low Level Red Board
Amazon.com
64
$10.97
8 Channel 5V Relay Module With Optocoupler Isolation Support High And Low Level Red Board
Amazon.com
64
$9.99
1 Channel 12V Relay Module Board Shield With Optocoupler Support High/Low Level Trigger Compatible Relay(Pack Of 8) (12V)
Amazon.com
4
$9.99
1 Channel 12V Relay Module Board Shield With Optocoupler Support High/Low Level Trigger Compatible Relay(Pack Of 8) (12V)
Amazon.com
4
$6.62
JESSINIE 5V 30A Relay Module, 1 Channel, Optocoupler Isolation, High/Low Trigger For Automation Control
Amazon.com
$6.62
JESSINIE 5V 30A Relay Module, 1 Channel, Optocoupler Isolation, High/Low Trigger For Automation Control
Amazon.com
$8.77
$9.97
JESSINIE 5V Relay Module With Optocoupler Isolation, 8 Channel High/Low Level Trigger, Compatible With Arduino Raspberry Pi For DIY Projects
Amazon.com
12% off
$8.77
$9.97
JESSINIE 5V Relay Module With Optocoupler Isolation, 8 Channel High/Low Level Trigger, Compatible With Arduino Raspberry Pi For DIY Projects
Amazon.com
$14.19
High Power Two Way Bidirectional Optocoupler Isolation Relay Module 30A YYG-3 For Home Automation System (12VDC)
Amazon.com
Free shipping
$14.19
High Power Two Way Bidirectional Optocoupler Isolation Relay Module 30A YYG-3 For Home Automation System (12VDC)
Amazon.com
Free shipping
$11.99
Teyleten Robot DC 1 Channel Optocoupler 3V/3.3V Relay High Level Driver Module Isolated Drive Control Board 3V/3.3V Relay Module For Arduino (Pack Of
Amazon.com
117
$11.99
Teyleten Robot DC 1 Channel Optocoupler 3V/3.3V Relay High Level Driver Module Isolated Drive Control Board 3V/3.3V Relay Module For Arduino (Pack Of
Amazon.com
117
$18.99
Cenrykay 5V 1 Channel Relay Module10pcs 5V Relay Module Board Switch Optocoupler Support High And Low Level Trigger For Arduino
Amazon.com
79
$18.99
Cenrykay 5V 1 Channel Relay Module10pcs 5V Relay Module Board Switch Optocoupler Support High And Low Level Trigger For Arduino
Amazon.com
79
$11.99
AEDIKO 10Pcs Relay Module DC 12V Relay Board 1 Channel With Optocoupler Isolation Support High Or Low Level
Amazon.com
70
$11.99
AEDIKO 10Pcs Relay Module DC 12V Relay Board 1 Channel With Optocoupler Isolation Support High Or Low Level
Amazon.com
70
$7.99
$8.99
NOYITO 30A 1 Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load DC 30V AC 250V 30A For PLC Automation Equipment Control
Amazon.com
80
11% off
$7.99
$8.99
NOYITO 30A 1 Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load DC 30V AC 250V 30A For PLC Automation Equipment Control
Amazon.com
80
$5.99
NOYITO 1 Channel Relay Module With Isolated Optocoupler 5V 12V 24V High Low Level Trigger Module Triggered (Pack Of 3) (5V, Red)
Amazon.com
22
$5.99
NOYITO 1 Channel Relay Module With Isolated Optocoupler 5V 12V 24V High Low Level Trigger Module Triggered (Pack Of 3) (5V, Red)
Amazon.com
22
$13.99
AITRIP 8 Pack 3V 1 Channel Relay Power Switch Module With Optocoupler Opto Isolation High Level Trigger For IOT ESP8266 Development Board
Amazon.com
127
$13.99
AITRIP 8 Pack 3V 1 Channel Relay Power Switch Module With Optocoupler Opto Isolation High Level Trigger For IOT ESP8266 Development Board
Amazon.com
127
$19.29
HELLA 931680011 Relay 12V 20/40A Spdt Res Sld, Black
Amazon.com
277
$19.29
HELLA 931680011 Relay 12V 20/40A Spdt Res Sld, Black
Amazon.com
277
$13.99
EC Buying 5Pcs 12V Optocoupler Isolation Board Optoelectronic Isolator EL817 PC817 Card Rail Bracket Input 3-5 V Optocoupler Isolation Module 1
Amazon.com
$13.99
EC Buying 5Pcs 12V Optocoupler Isolation Board Optoelectronic Isolator EL817 PC817 Card Rail Bracket Input 3-5 V Optocoupler Isolation Module 1
Amazon.com
$9.99
AOICRIE 6Pcs PC817 1 Channel Optocoupler Isolation Module 1CH Optocoupler PC817 3-5V 12V 24V Photoelectric Isolator PNP NPN Signal Converter Rail
Amazon.com
2
$9.99
AOICRIE 6Pcs PC817 1 Channel Optocoupler Isolation Module 1CH Optocoupler PC817 3-5V 12V 24V Photoelectric Isolator PNP NPN Signal Converter Rail
Amazon.com
2
$17.31
Plug-In/PCB Relay - Optocoupler 5A 41.81.7.024....
delupe.com
$17.31
Plug-In/PCB Relay - Optocoupler 5A 41.81.7.024....
delupe.com
$1.62
1 2 4 8 Channel 5V 12V Relay Module With Optocoupler, High Low Level Trigger Shield For Arduino PIC
Aliexpress
$1.62
1 2 4 8 Channel 5V 12V Relay Module With Optocoupler, High Low Level Trigger Shield For Arduino PIC
Aliexpress
$119.31
3/3.3/5/12/24V Relay Module With Optocoupler 1/2/4/8 Channel Electronic Moulding
eBay
$119.31
3/3.3/5/12/24V Relay Module With Optocoupler 1/2/4/8 Channel Electronic Moulding
eBay
$0.61
$0.87
5V 12V 1 2 4 6 8 Channel Relay Module With Optocoupler. Relay Output 1 2 4 6 8 Way Relay Module For
Aliexpress
29% off
$0.61
$0.87
5V 12V 1 2 4 6 8 Channel Relay Module With Optocoupler. Relay Output 1 2 4 6 8 Way Relay Module For
Aliexpress
$1.99
8 Channel Relay Module With Optocoupler Output Low Level Trigger 5V 12V 24V 2CH
Evalm
$1.99
8 Channel Relay Module With Optocoupler Output Low Level Trigger 5V 12V 24V 2CH
Evalm
$1.14
1Pcs 5V 1 2 4 8 Channel Relay Module With Optocoupler. Relay Output 1 2 4 8 Way Relay Module For
Aliexpress
$1.14
1Pcs 5V 1 2 4 8 Channel Relay Module With Optocoupler. Relay Output 1 2 4 8 Way Relay Module For
Aliexpress
$3.99
8 Channel Relay Module With Optocoupler Output Low Level Trigger 5V 12V 24V 8CH
Evalm
$3.99
8 Channel Relay Module With Optocoupler Output Low Level Trigger 5V 12V 24V 8CH
Evalm
$0.99
8 Channel Relay Module With Optocoupler Output Low Level Trigger 5V 12V 24V 1CH
Evalm
$0.99
8 Channel Relay Module With Optocoupler Output Low Level Trigger 5V 12V 24V 1CH
Evalm
$23.99
Optocoupler Isolated 4-Channel Relay Module, High/Low Trigger Support, 5V-24V 5V
Digitalzakka
$23.99
Optocoupler Isolated 4-Channel Relay Module, High/Low Trigger Support, 5V-24V 5V
Digitalzakka
1CH Active H/L 5V OptoCoupler Relay Module
Jan 1, 2009
cytron.io
Relay 12V with Optocupler, how to?
Sep 1, 2018
arduino.cc
18:07
How Optocouplers work - opto-isolator solid state relays phototra
…
1.5M views
Mar 21, 2021
YouTube
The Engineering Mindset
12:10
How to test optocoupler / easy! for any opto-isolator as the one used
…
77.4K views
Dec 15, 2015
YouTube
Bob. Kalpon
8:01
How to Control a Relay Module Using Optocoupler & Transistor i
…
731 views
2 months ago
YouTube
Electronic simulation
13:21
What is Optocoupler ? How Optocoupler Works ? The Optoco
…
128.1K views
Jun 8, 2021
YouTube
ALL ABOUT ELECTRONICS
15:04
How to Design Relay Module using Optocoupler || Relay Module Circuit
424 views
8 months ago
YouTube
TechEcos
4:18
How to use an Optocoupler Relay with FPB-RA0E1
74 views
3 months ago
YouTube
RenesasPresents
10:56
How Optocouplers Work and How to Use Them - DC To Daylight
48.3K views
Sep 21, 2022
YouTube
element14 presents
13:27
How To Use An Opto-coupler with Arduino & Relay_ PC817 opto-cou
…
1.7K views
Oct 26, 2023
YouTube
Takim Mallick
0:52
"How to Replace a Relay with a MOSFET Using Optocoupler in Pr
…
1.2K views
2 months ago
YouTube
Electronic simulation
5:44
How to Use Optocoupler to control Relay and Bulb - Proteus Simulation
7.7K views
Apr 12, 2022
YouTube
Satyam Singh
10:58
#277 Understanding OPTOCOUPLER or OPTO-ISOLAT
…
20.7K views
Oct 10, 2020
YouTube
Haseeb Electronics
8:08
What is Optocoupler/Opto-isolator | Working and Types of optocouple
…
2.7K views
Aug 28, 2022
YouTube
Engineering Think it Simple
4:45
How Optocoupler Work : Testing Optocouplers
10.8K views
Jun 27, 2021
YouTube
SetNFix
How Optocouplers Work
Apr 18, 2021
theengineeringmindset.com
0:12
Isolation and voltage level shifting using optocoupler
5.5K views
2 months ago
YouTube
Electronics Education
4:44
How an Optocoupler (Optoisolator) Works
85.9K views
Jan 10, 2015
YouTube
ElectronicsLearning
2CH Active H/L 3V OptoCoupler Relay Module
Aug 13, 2021
cytron.io
8:14
Super simple DIY optocoupler - Adding optical isolation in electro
…
6.6K views
Dec 30, 2022
YouTube
Taste The Code
6:27
How to Use Optocoupler and Triac to Control AC Load | MOC3021 Tri
…
38.7K views
Jan 23, 2021
YouTube
THE ELECTRONICS ADDA
6:35
How to Use the 4N35 Optocoupler in Your Projects: A Complete Guide
4K views
Mar 31, 2024
YouTube
Electronic Principles
9:19
How Optocoupler works, Practical Demo, applications
109.4K views
Sep 12, 2016
YouTube
G K Agrawal
0:54
What is Optocoupler, Application of Optocoupler, Why we use Opto-is
…
23.1K views
Oct 6, 2023
YouTube
TheTiaraTech Show
3:11
NO NC Relay (1-Channel) DC 5V with Optocoupler Isolator
9.1K views
Sep 16, 2022
YouTube
The TECH Tract
6:16
Isolating The Circuits Using optocoupler 4N35 || Animation of
…
2.1K views
May 26, 2021
YouTube
Creative ideas EEE
0:58
Understanding Optocouplers: How They Work and Applications
717.2K views
Nov 12, 2023
TikTok
officialrobonyx
8:21
Electronic Basics #32: Relays & Optocouplers
522.9K views
Oct 29, 2017
YouTube
GreatScott!
12:05
#769 Basics: Opto-coupler Opto-isolator
11.3K views
Apr 30, 2021
YouTube
IMSAI Guy
13:49
Opto-Couplers Theory and Circuits
275.5K views
Dec 30, 2014
YouTube
Lewis Loflin
See more videos
More like this
Shop optocoupler relay
Sponsored
$11.99
Geekstory 5PCS 2 Channel 5V Relay Module 10A With Optocoupler Low Level Trigger Expansion Board For Arduino R3 MEGA 2560 1280 DSP ARM PIC AVR DSP
Amazon.com
27
$11.99
Geekstory 5PCS 2 Channel 5V Relay Module 10A With Optocoupler Low Level Trigger Expansion Board For Arduino R3 MEGA 2560 1280 DSP ARM PIC AVR DSP
Amazon.com
$13.99
DIANN 2Pcs 5V 30A 2-Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load For PLC Automation Equipment Control Industrial
Amazon.com
$13.99
DIANN 2Pcs 5V 30A 2-Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load For PLC Automation Equipment Control Industrial
Amazon.com
$10.97
8 Channel 5V Relay Module With Optocoupler Isolation Support High And Low Level Red Board
Amazon.com
64
$10.97
8 Channel 5V Relay Module With Optocoupler Isolation Support High And Low Level Red Board
Amazon.com
$9.99
1 Channel 12V Relay Module Board Shield With Optocoupler Support High/Low Level Trigger Compatible Relay(Pack Of 8) (12V)
Amazon.com
4
$9.99
1 Channel 12V Relay Module Board Shield With Optocoupler Support High/Low Level Trigger Compatible Relay(Pack Of 8) (12V)
Amazon.com
$6.62
JESSINIE 5V 30A Relay Module, 1 Channel, Optocoupler Isolation, High/Low Trigger For Automation Control
Amazon.com
$6.62
JESSINIE 5V 30A Relay Module, 1 Channel, Optocoupler Isolation, High/Low Trigger For Automation Control
Amazon.com
$8.77
$9.97
JESSINIE 5V Relay Module With Optocoupler Isolation, 8 Channel High/Low Level Trigger, Compatible With Arduino Raspberry Pi For DIY Projects
Amazon.com
12% off
$8.77
$9.97
JESSINIE 5V Relay Module With Optocoupler Isolation, 8 Channel High/Low Level Trigger, Compatible With Arduino Raspberry Pi For DIY Projects
Amazon.com
$14.19
High Power Two Way Bidirectional Optocoupler Isolation Relay Module 30A YYG-3 For Home Automation System (12VDC)
Amazon.com
Free shipping
$14.19
High Power Two Way Bidirectional Optocoupler Isolation Relay Module 30A YYG-3 For Home Automation System (12VDC)
Amazon.com
$11.99
Teyleten Robot DC 1 Channel Optocoupler 3V/3.3V Relay High Level Driver Module Isolated Drive Control Board 3V/3.3V Relay Module For Arduino (Pack Of
Amazon.com
117
$11.99
Teyleten Robot DC 1 Channel Optocoupler 3V/3.3V Relay High Level Driver Module Isolated Drive Control Board 3V/3.3V Relay Module For Arduino (Pack Of
Amazon.com
$18.99
Cenrykay 5V 1 Channel Relay Module10pcs 5V Relay Module Board Switch Optocoupler Support High And Low Level Trigger For Arduino
Amazon.com
79
$18.99
Cenrykay 5V 1 Channel Relay Module10pcs 5V Relay Module Board Switch Optocoupler Support High And Low Level Trigger For Arduino
Amazon.com
$11.99
AEDIKO 10Pcs Relay Module DC 12V Relay Board 1 Channel With Optocoupler Isolation Support High Or Low Level
Amazon.com
70
$11.99
AEDIKO 10Pcs Relay Module DC 12V Relay Board 1 Channel With Optocoupler Isolation Support High Or Low Level
Amazon.com
$7.99
$8.99
NOYITO 30A 1 Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load DC 30V AC 250V 30A For PLC Automation Equipment Control
Amazon.com
80
11% off
$7.99
$8.99
NOYITO 30A 1 Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load DC 30V AC 250V 30A For PLC Automation Equipment Control
Amazon.com
$5.99
NOYITO 1 Channel Relay Module With Isolated Optocoupler 5V 12V 24V High Low Level Trigger Module Triggered (Pack Of 3) (5V, Red)
Amazon.com
22
$5.99
NOYITO 1 Channel Relay Module With Isolated Optocoupler 5V 12V 24V High Low Level Trigger Module Triggered (Pack Of 3) (5V, Red)
Amazon.com
$13.99
AITRIP 8 Pack 3V 1 Channel Relay Power Switch Module With Optocoupler Opto Isolation High Level Trigger For IOT ESP8266 Development Board
Amazon.com
127
$13.99
AITRIP 8 Pack 3V 1 Channel Relay Power Switch Module With Optocoupler Opto Isolation High Level Trigger For IOT ESP8266 Development Board
Amazon.com
$19.29
HELLA 931680011 Relay 12V 20/40A Spdt Res Sld, Black
Amazon.com
277
$19.29
HELLA 931680011 Relay 12V 20/40A Spdt Res Sld, Black
Amazon.com
$13.99
EC Buying 5Pcs 12V Optocoupler Isolation Board Optoelectronic Isolator EL817 PC817 Card Rail Bracket Input 3-5 V Optocoupler Isolation Module 1
Amazon.com
$13.99
EC Buying 5Pcs 12V Optocoupler Isolation Board Optoelectronic Isolator EL817 PC817 Card Rail Bracket Input 3-5 V Optocoupler Isolation Module 1
Amazon.com
$9.99
AOICRIE 6Pcs PC817 1 Channel Optocoupler Isolation Module 1CH Optocoupler PC817 3-5V 12V 24V Photoelectric Isolator PNP NPN Signal Converter Rail
Amazon.com
2
$9.99
AOICRIE 6Pcs PC817 1 Channel Optocoupler Isolation Module 1CH Optocoupler PC817 3-5V 12V 24V Photoelectric Isolator PNP NPN Signal Converter Rail
Amazon.com
$17.31
Plug-In/PCB Relay - Optocoupler 5A 41.81.7.024....
delupe.com
$17.31
Plug-In/PCB Relay - Optocoupler 5A 41.81.7.024....
delupe.com
$1.62
1 2 4 8 Channel 5V 12V Relay Module With Optocoupler, High Low Level Trigger Shield For Arduino PIC
Aliexpress
$1.62
1 2 4 8 Channel 5V 12V Relay Module With Optocoupler, High Low Level Trigger Shield For Arduino PIC
Aliexpress
Shop optocoupler relay
Sponsored
$15.99
Dafurui 5V Relay Module8pack 1 Channel Relay Module 5V Relays Board With Optocoupler Support High/Low Level Trigger For Arduino Relays
Amazon.com
77
$15.99
Dafurui 5V Relay Module8pack 1 Channel Relay Module 5V Relays Board With Optocoupler Support High/Low Level Trigger For Arduino Relays
Amazon.com
77
$12.49
ANMBEST Relay Module With Optocoupler High/Low Level Trigger For Arduino (12, 12V Relay 8 Channel)
Amazon.com
333
$12.49
ANMBEST Relay Module With Optocoupler High/Low Level Trigger For Arduino (12, 12V Relay 8 Channel)
Amazon.com
333
$11.29
Hiletgo 12V 8 Channel Relay Module With OPTO-Isolated High And Low Level Trigger 8 Ways Relay Switch Module For Arduino
Amazon.com
211
$11.29
Hiletgo 12V 8 Channel Relay Module With OPTO-Isolated High And Low Level Trigger 8 Ways Relay Switch Module For Arduino
Amazon.com
211
$5.89
Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
Amazon.com
436
$5.89
Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
Amazon.com
436
$44.16
859-796 WAGO Optocoupler Module - 24VDC Input - Gray
Valin Process Control Solutions
$44.16
859-796 WAGO Optocoupler Module - 24VDC Input - Gray
Valin Process Control Solutions
$17.95
JESSINIE 16 Channel 5V Relay Module With Optocoupler Isolation 10A IIC Expandable Isolation Driver Relay Board XL9535-K16V5
Amazon.com
4
$17.95
JESSINIE 16 Channel 5V Relay Module With Optocoupler Isolation 10A IIC Expandable Isolation Driver Relay Board XL9535-K16V5
Amazon.com
4
$5.99
NOYITO 9V 2-Channel Relay Module High Low Level Trigger With Optocoupler Isolation Relay Load AC 0-250V 10A DC 0-30V 10A Circuit Switch Board
Amazon.com
4
$5.99
NOYITO 9V 2-Channel Relay Module High Low Level Trigger With Optocoupler Isolation Relay Load AC 0-250V 10A DC 0-30V 10A Circuit Switch Board
Amazon.com
4
$9.99
NOYITO 6-Channel Relay Module 5V 12V 24V High Low Level Trigger With Optocoupler Isolation Relay Load AC 250V 10A DC 30V 10A (DC 24V, Blue)
Amazon.com
27
$9.99
NOYITO 6-Channel Relay Module 5V 12V 24V High Low Level Trigger With Optocoupler Isolation Relay Load AC 250V 10A DC 30V 10A (DC 24V, Blue)
Amazon.com
27
$17.99
Fainwan 2Pcs 8 Channel DC 5V Relay Module With Optocoupler For UNO R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 Rasp-Berry Pi
Amazon.com
3
$17.99
Fainwan 2Pcs 8 Channel DC 5V Relay Module With Optocoupler For UNO R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 Rasp-Berry Pi
Amazon.com
3
$9.99
4Pcs 4 Channel 5V Relay Module With Optocoupler For R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 For Raspberry Pi
Amazon.com
2
$9.99
4Pcs 4 Channel 5V Relay Module With Optocoupler For R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 For Raspberry Pi
Amazon.com
2
$11.39
Hiletgo 5V 8 Channel Relay Module With OPTO-Isolated Support High And Low Level Trigger
Amazon.com
31
$11.39
Hiletgo 5V 8 Channel Relay Module With OPTO-Isolated Support High And Low Level Trigger
Amazon.com
31
$11.99
Geekstory 5PCS 2 Channel 5V Relay Module 10A With Optocoupler Low Level Trigger Expansion Board For Arduino R3 MEGA 2560 1280 DSP ARM PIC AVR DSP
Amazon.com
27
$11.99
Geekstory 5PCS 2 Channel 5V Relay Module 10A With Optocoupler Low Level Trigger Expansion Board For Arduino R3 MEGA 2560 1280 DSP ARM PIC AVR DSP
Amazon.com
27
$13.99
DIANN 2Pcs 5V 30A 2-Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load For PLC Automation Equipment Control Industrial
Amazon.com
$13.99
DIANN 2Pcs 5V 30A 2-Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load For PLC Automation Equipment Control Industrial
Amazon.com
$10.97
8 Channel 5V Relay Module With Optocoupler Isolation Support High And Low Level Red Board
Amazon.com
64
$10.97
8 Channel 5V Relay Module With Optocoupler Isolation Support High And Low Level Red Board
Amazon.com
64
$9.99
1 Channel 12V Relay Module Board Shield With Optocoupler Support High/Low Level Trigger Compatible Relay(Pack Of 8) (12V)
Amazon.com
4
$9.99
1 Channel 12V Relay Module Board Shield With Optocoupler Support High/Low Level Trigger Compatible Relay(Pack Of 8) (12V)
Amazon.com
4
$6.62
JESSINIE 5V 30A Relay Module, 1 Channel, Optocoupler Isolation, High/Low Trigger For Automation Control
Amazon.com
$6.62
JESSINIE 5V 30A Relay Module, 1 Channel, Optocoupler Isolation, High/Low Trigger For Automation Control
Amazon.com
$8.77
$9.97
JESSINIE 5V Relay Module With Optocoupler Isolation, 8 Channel High/Low Level Trigger, Compatible With Arduino Raspberry Pi For DIY Projects
Amazon.com
12% off
$8.77
$9.97
JESSINIE 5V Relay Module With Optocoupler Isolation, 8 Channel High/Low Level Trigger, Compatible With Arduino Raspberry Pi For DIY Projects
Amazon.com
$14.19
High Power Two Way Bidirectional Optocoupler Isolation Relay Module 30A YYG-3 For Home Automation System (12VDC)
Amazon.com
Free shipping
$14.19
High Power Two Way Bidirectional Optocoupler Isolation Relay Module 30A YYG-3 For Home Automation System (12VDC)
Amazon.com
Free shipping
Feedback
Feedback