All
Search
Images
Videos
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
$14.49
High Power Two Way Bidirectional Optocoupler Isolation Relay Module 30A YYG-3 For Home Automation System (12VDC)
Amazon.com
Free shipping
$14.49
High Power Two Way Bidirectional Optocoupler Isolation Relay Module 30A YYG-3 For Home Automation System (12VDC)
Amazon.com
Free shipping
$15.99
ANMBEST Relay Module With Optocoupler High/Low Level Trigger For Arduino (12, 12V Relay 16 Channel)
Amazon.com
184
$15.99
ANMBEST Relay Module With Optocoupler High/Low Level Trigger For Arduino (12, 12V Relay 16 Channel)
Amazon.com
184
$10.97
8 Channel 5V Relay Module With Optocoupler Isolation Support High And Low Level Red Board
Amazon.com
102
$10.97
8 Channel 5V Relay Module With Optocoupler Isolation Support High And Low Level Red Board
Amazon.com
102
$5.89
Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
Amazon.com
377
$5.89
Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
Amazon.com
377
$6.99
2Pcs DC 5V 1-Channel Relay Module Isolated By SMT Optocoupler High And Low Level Trigger Module Triggered By DC 5V
Amazon.com
10
$6.99
2Pcs DC 5V 1-Channel Relay Module Isolated By SMT Optocoupler High And Low Level Trigger Module Triggered By DC 5V
Amazon.com
10
$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
28
$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
28
$21.29
Relay Module 16 Channel With Optocoupler Power Supply High Level Trigger (5V)
Amazon.com
$21.29
Relay Module 16 Channel With Optocoupler Power Supply High Level Trigger (5V)
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
$6.97
JESSINIE 5V 30A Relay Module, 1 Channel, Optocoupler Isolation, High/Low Trigger For Automation Control
Amazon.com
$6.97
JESSINIE 5V 30A Relay Module, 1 Channel, Optocoupler Isolation, High/Low Trigger For Automation Control
Amazon.com
$16.99
4 Channel 12V Relay Module With Optocoupler High Or Low Level Trigger Expansion Board(2PCS) (4 Channel 12V Relay, 4 Channel 12V Relay)
Amazon.com
81
$16.99
4 Channel 12V Relay Module With Optocoupler High Or Low Level Trigger Expansion Board(2PCS) (4 Channel 12V Relay, 4 Channel 12V Relay)
Amazon.com
81
$8.49
2 Pcs 5V 2 Channel DC 5V Relay Module With Optocoupler High/Low Level Trigger Expansion Board
Amazon.com
254
$8.49
2 Pcs 5V 2 Channel DC 5V Relay Module With Optocoupler High/Low Level Trigger Expansion Board
Amazon.com
254
$6.41
2 Channel Relay Module With Optocoupler High Low Level Expansion Board Fault-Tolerant Design Module(5V),Module
Amazon.com
Free shipping
$6.41
2 Channel Relay Module With Optocoupler High Low Level Expansion Board Fault-Tolerant Design Module(5V),Module
Amazon.com
Free shipping
$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
$168.16
3/3.3/5/12/24V Relay Module With Optocoupler 1/2/4/8 Channel Electronic Moulding
eBay
$168.16
3/3.3/5/12/24V Relay Module With Optocoupler 1/2/4/8 Channel Electronic Moulding
eBay
$8.70
Baosity 3V 8-Channel Relay Module With Optocoupler H/L Level For
Amazon.com
$8.70
Baosity 3V 8-Channel Relay Module With Optocoupler H/L Level For
Amazon.com
$5.99
KNACRO 12V 2-Channel Relay Module With Optocoupler Relay Board High Low Trigger With LED Load 10A DC 30V AC 250V For PLC Automation Control,
Amazon.com
1
$5.99
KNACRO 12V 2-Channel Relay Module With Optocoupler Relay Board High Low Trigger With LED Load 10A DC 30V AC 250V For PLC Automation Control,
Amazon.com
1
$8.99
NOYITO 30A 2 Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load DC 30V AC 250V 30A For PLC Automation Equipment Control
Amazon.com
79
$8.99
NOYITO 30A 2 Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load DC 30V AC 250V 30A For PLC Automation Equipment Control
Amazon.com
79
$23.99
DONGKER Optocoupler Isolated Module,DC 24V To 5V 8-Channel Optocoupler Relay Module PLC-PNP Signal Converter
Amazon.com
2
$23.99
DONGKER Optocoupler Isolated Module,DC 24V To 5V 8-Channel Optocoupler Relay Module PLC-PNP Signal Converter
Amazon.com
2
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
4:18
How to use an Optocoupler Relay with FPB-RA0E1
67 views
2 months ago
YouTube
RenesasPresents
8:01
How to Control a Relay Module Using Optocoupler & Transistor i
…
1 views
1 month ago
YouTube
Electronic simulation
13:21
What is Optocoupler ? How Optocoupler Works ? The Optoco
…
126.6K views
Jun 8, 2021
YouTube
ALL ABOUT ELECTRONICS
15:04
How to Design Relay Module using Optocoupler || Relay Module Circuit
399 views
7 months ago
YouTube
TechEcos
10:56
How Optocouplers Work and How to Use Them - DC To Daylight
46.9K views
Sep 21, 2022
YouTube
element14 presents
13:27
How To Use An Opto-coupler with Arduino & Relay_ PC817 opto-cou
…
1.6K views
Oct 26, 2023
YouTube
Takim Mallick
0:52
"How to Replace a Relay with a MOSFET Using Optocoupler in Pr
…
1.2K views
1 month 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
4:45
How Optocoupler Work : Testing Optocouplers
9.2K 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
1 month ago
YouTube
Electronics Education
4:44
How an Optocoupler (Optoisolator) Works
85.9K views
Jan 10, 2015
YouTube
ElectronicsLearning
0:33
24V 8-Channel Relay Module ⚡ | Optocoupler Protection Explained
…
1.8K views
6 months ago
YouTube
rndstore.in_
8:14
Super simple DIY optocoupler - Adding optical isolation in electro
…
6.6K views
Dec 30, 2022
YouTube
Taste The Code
14:20
All About Optocouplers (PC817) What Is an Optocoupler Optocoupl
…
13.8K views
Apr 30, 2023
YouTube
learnelectronics
6:27
How to Use Optocoupler and Triac to Control AC Load | MOC3021 Tri
…
36.5K views
Jan 23, 2021
YouTube
THE ELECTRONICS ADDA
6:35
How to Use the 4N35 Optocoupler in Your Projects: A Complete Guide
3.8K 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
…
21.3K views
Oct 6, 2023
YouTube
TheTiaraTech Show
3:11
NO NC Relay (1-Channel) DC 5V with Optocoupler Isolator
8.7K views
Sep 16, 2022
YouTube
The TECH Tract
6:16
Isolating The Circuits Using optocoupler 4N35 || Animation of
…
2K views
May 26, 2021
YouTube
Creative ideas EEE
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
0:58
Understanding Optocouplers: How They Work and Applications
717.2K views
Nov 12, 2023
TikTok
officialrobonyx
13:49
Opto-Couplers Theory and Circuits
275.2K views
Dec 30, 2014
YouTube
Lewis Loflin
See more videos
More like this
Shop optocoupler relay
Sponsored
$6.41
2 Channel Relay Module With Optocoupler High Low Level Expansion Board Fault-Tolerant Design Module(5V),Module
Amazon.com
Free shipping
$6.41
2 Channel Relay Module With Optocoupler High Low Level Expansion Board Fault-Tolerant Design Module(5V),Module
Amazon.com
$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
$168.16
3/3.3/5/12/24V Relay Module With Optocoupler 1/2/4/8 Channel Electronic Moulding
eBay
$168.16
3/3.3/5/12/24V Relay Module With Optocoupler 1/2/4/8 Channel Electronic Moulding
eBay
$8.70
Baosity 3V 8-Channel Relay Module With Optocoupler H/L Level For
Amazon.com
$8.70
Baosity 3V 8-Channel Relay Module With Optocoupler H/L Level For
Amazon.com
$5.99
KNACRO 12V 2-Channel Relay Module With Optocoupler Relay Board High Low Trigger With LED Load 10A DC 30V AC 250V For PLC Automation Control,
Amazon.com
1
$5.99
KNACRO 12V 2-Channel Relay Module With Optocoupler Relay Board High Low Trigger With LED Load 10A DC 30V AC 250V For PLC Automation Control,
Amazon.com
$8.99
NOYITO 30A 2 Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load DC 30V AC 250V 30A For PLC Automation Equipment Control
Amazon.com
79
$8.99
NOYITO 30A 2 Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load DC 30V AC 250V 30A For PLC Automation Equipment Control
Amazon.com
$23.99
DONGKER Optocoupler Isolated Module,DC 24V To 5V 8-Channel Optocoupler Relay Module PLC-PNP Signal Converter
Amazon.com
2
$23.99
DONGKER Optocoupler Isolated Module,DC 24V To 5V 8-Channel Optocoupler Relay Module PLC-PNP Signal Converter
Amazon.com
$11.69
2Pcs DC 5V 4 Channel Relay Module Board Shield With Optocoupler Isolation Suport High/Low Level Trigger Relay
Amazon.com
32
$11.69
2Pcs DC 5V 4 Channel Relay Module Board Shield With Optocoupler Isolation Suport High/Low Level Trigger Relay
Amazon.com
$29.99
KNACRO DC 12V 30A 8-Channel Relay Module High Or Low Level Triggering With Optocoupler Isolation Load 30A DC 30V AC 250V For PLC Automation Control,
Amazon.com
$29.99
KNACRO DC 12V 30A 8-Channel Relay Module High Or Low Level Triggering With Optocoupler Isolation Load 30A DC 30V AC 250V For PLC Automation Control,
Amazon.com
Shop optocoupler relay
Sponsored
$14.49
High Power Two Way Bidirectional Optocoupler Isolation Relay Module 30A YYG-3 For Home Automation System (12VDC)
Amazon.com
Free shipping
$14.49
High Power Two Way Bidirectional Optocoupler Isolation Relay Module 30A YYG-3 For Home Automation System (12VDC)
Amazon.com
Free shipping
$15.99
ANMBEST Relay Module With Optocoupler High/Low Level Trigger For Arduino (12, 12V Relay 16 Channel)
Amazon.com
184
$15.99
ANMBEST Relay Module With Optocoupler High/Low Level Trigger For Arduino (12, 12V Relay 16 Channel)
Amazon.com
184
$10.97
8 Channel 5V Relay Module With Optocoupler Isolation Support High And Low Level Red Board
Amazon.com
102
$10.97
8 Channel 5V Relay Module With Optocoupler Isolation Support High And Low Level Red Board
Amazon.com
102
$5.89
Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
Amazon.com
377
$5.89
Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
Amazon.com
377
$6.99
2Pcs DC 5V 1-Channel Relay Module Isolated By SMT Optocoupler High And Low Level Trigger Module Triggered By DC 5V
Amazon.com
10
$6.99
2Pcs DC 5V 1-Channel Relay Module Isolated By SMT Optocoupler High And Low Level Trigger Module Triggered By DC 5V
Amazon.com
10
$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
28
$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
28
$21.29
Relay Module 16 Channel With Optocoupler Power Supply High Level Trigger (5V)
Amazon.com
$21.29
Relay Module 16 Channel With Optocoupler Power Supply High Level Trigger (5V)
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
$6.97
JESSINIE 5V 30A Relay Module, 1 Channel, Optocoupler Isolation, High/Low Trigger For Automation Control
Amazon.com
$6.97
JESSINIE 5V 30A Relay Module, 1 Channel, Optocoupler Isolation, High/Low Trigger For Automation Control
Amazon.com
$16.99
4 Channel 12V Relay Module With Optocoupler High Or Low Level Trigger Expansion Board(2PCS) (4 Channel 12V Relay, 4 Channel 12V Relay)
Amazon.com
81
$16.99
4 Channel 12V Relay Module With Optocoupler High Or Low Level Trigger Expansion Board(2PCS) (4 Channel 12V Relay, 4 Channel 12V Relay)
Amazon.com
81
$8.49
2 Pcs 5V 2 Channel DC 5V Relay Module With Optocoupler High/Low Level Trigger Expansion Board
Amazon.com
254
$8.49
2 Pcs 5V 2 Channel DC 5V Relay Module With Optocoupler High/Low Level Trigger Expansion Board
Amazon.com
254
$6.41
2 Channel Relay Module With Optocoupler High Low Level Expansion Board Fault-Tolerant Design Module(5V),Module
Amazon.com
Free shipping
$6.41
2 Channel Relay Module With Optocoupler High Low Level Expansion Board Fault-Tolerant Design Module(5V),Module
Amazon.com
Free shipping
$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
$168.16
3/3.3/5/12/24V Relay Module With Optocoupler 1/2/4/8 Channel Electronic Moulding
eBay
$168.16
3/3.3/5/12/24V Relay Module With Optocoupler 1/2/4/8 Channel Electronic Moulding
eBay
$8.70
Baosity 3V 8-Channel Relay Module With Optocoupler H/L Level For
Amazon.com
$8.70
Baosity 3V 8-Channel Relay Module With Optocoupler H/L Level For
Amazon.com
$5.99
KNACRO 12V 2-Channel Relay Module With Optocoupler Relay Board High Low Trigger With LED Load 10A DC 30V AC 250V For PLC Automation Control,
Amazon.com
1
$5.99
KNACRO 12V 2-Channel Relay Module With Optocoupler Relay Board High Low Trigger With LED Load 10A DC 30V AC 250V For PLC Automation Control,
Amazon.com
1
$8.99
NOYITO 30A 2 Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load DC 30V AC 250V 30A For PLC Automation Equipment Control
Amazon.com
79
$8.99
NOYITO 30A 2 Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load DC 30V AC 250V 30A For PLC Automation Equipment Control
Amazon.com
79
$23.99
DONGKER Optocoupler Isolated Module,DC 24V To 5V 8-Channel Optocoupler Relay Module PLC-PNP Signal Converter
Amazon.com
2
$23.99
DONGKER Optocoupler Isolated Module,DC 24V To 5V 8-Channel Optocoupler Relay Module PLC-PNP Signal Converter
Amazon.com
2
optocoupler relay | Free Shipping w/ Prime
https://www.amazon.com › electronics › accessories
Sponsored
Find Deals on optocoupler relay in Electronic Accessories on Amazon.
Read Ratings & Reviews · Shop Best Sellers · Fast Shipping · Explore Amazon Devices
Optocoupler Isolation - 2Pcs Relay Switch
https://www.walmart.com
Sponsored
Free 2-day Shipping On Millions of Items. No Membership Fee. Shop Now!
Feedback