Shop optocoupler module

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$7.17
Walfront Optocoupler Isolation Board 3.6-30V Optocoupler Isolation Module 8 Channel Converter
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$7.17
Walfront Optocoupler Isolation Board 3.6-30V Optocoupler Isolation Module 8 Channel Converter
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DONGKER Optocoupler Isolated Module,DC 24V To 5V 8-Channel Optocoupler Relay Module PLC-PNP Signal Converter
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DONGKER Optocoupler Isolated Module,DC 24V To 5V 8-Channel Optocoupler Relay Module PLC-PNP Signal Converter
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$16.21
8 Channel Optocoupler Isolation Board AC 220V Detection Module Voltage Level Converter For PLC MCU Testing
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8 Channel Optocoupler Isolation Board AC 220V Detection Module Voltage Level Converter For PLC MCU Testing
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NOYITO 1-Channel PC817 Optocoupler Isolation Module Optoelectronic Isolator Signal Isolation And Anti-Interference 3-5V 12V 24V (Pack Of 2) (12V)
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NOYITO 1-Channel PC817 Optocoupler Isolation Module Optoelectronic Isolator Signal Isolation And Anti-Interference 3-5V 12V 24V (Pack Of 2) (12V)
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NOYITO 4-Channel Optocoupler Photoelectric Isolator Module Level Voltage Converter Module PLC Signal Converter Module PNP NPN To NPN (24V To 24V)
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NOYITO 4-Channel Optocoupler Photoelectric Isolator Module Level Voltage Converter Module PLC Signal Converter Module PNP NPN To NPN (24V To 24V)
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Alinan 8Pcs 2CH Optocoupler PC817 2 Channel Isolation Board Voltage Converter Adapter Module 3.6-30V Driver Photoelectric Isolated Module
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Alinan 8Pcs 2CH Optocoupler PC817 2 Channel Isolation Board Voltage Converter Adapter Module 3.6-30V Driver Photoelectric Isolated Module
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DONGKER Optocoupler Isolation Board,AC 110V 220V 8 Channel Optical Control Module PLC NPN Low Level Output Module
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DONGKER Optocoupler Isolation Board,AC 110V 220V 8 Channel Optical Control Module PLC NPN Low Level Output Module
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Alinan 4Pcs 4CH Optocoupler PC817 4 Channel Isolation Board Voltage Converter Adapter Module 3.6-30V Driver Photoelectric Isolated Module
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4
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Alinan 4Pcs 4CH Optocoupler PC817 4 Channel Isolation Board Voltage Converter Adapter Module 3.6-30V Driver Photoelectric Isolated Module
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2Pcs DC 5V 1-Channel Relay Module Isolated By SMT Optocoupler High And Low Level Trigger Module Triggered By DC 5V
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10
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2Pcs DC 5V 1-Channel Relay Module Isolated By SMT Optocoupler High And Low Level Trigger Module Triggered By DC 5V
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$11.89
$12.59
EC Buying 5Pcs 12V Optocoupler Isolation Board Optoelectronic Isolator EL817 PC817 Card Rail Bracket Input 3-5 V Optocoupler Isolation Module 1
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$12.59
EC Buying 5Pcs 12V Optocoupler Isolation Board Optoelectronic Isolator EL817 PC817 Card Rail Bracket Input 3-5 V Optocoupler Isolation Module 1
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$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
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133
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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
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$9.99
ACEIRMC 4Pcs 4CH Optocoupler PC817 4 Channel Isolation Board Voltage Converter Adapter Module 3.6-30V Driver Photoelectric Isolated Module (4CH
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12
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ACEIRMC 4Pcs 4CH Optocoupler PC817 4 Channel Isolation Board Voltage Converter Adapter Module 3.6-30V Driver Photoelectric Isolated Module (4CH
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$14.49
High Power Two Way Bidirectional Optocoupler Isolation Relay Module 30A YYG-3 For Home Automation System (12VDC)
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Free shipping
$14.49
High Power Two Way Bidirectional Optocoupler Isolation Relay Module 30A YYG-3 For Home Automation System (12VDC)
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$9.99
4Pcs 4 Channel 5V Relay Module With Optocoupler For R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 For Raspberry Pi
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7
$9.99
4Pcs 4 Channel 5V Relay Module With Optocoupler For R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 For Raspberry Pi
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$6.97
JESSINIE 5V 30A Relay Module, 1 Channel, Optocoupler Isolation, High/Low Trigger For Automation Control
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$6.97
JESSINIE 5V 30A Relay Module, 1 Channel, Optocoupler Isolation, High/Low Trigger For Automation Control
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$4.99
Yetaida 3V 1-Channel Multi-Mode Delay Timer Relay Module With Optocoupler For Home Automation, Industrial Control, DIY Projects
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$4.99
Yetaida 3V 1-Channel Multi-Mode Delay Timer Relay Module With Optocoupler For Home Automation, Industrial Control, DIY Projects
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$6.02
3.3V/5V To 3.6V/24V 4 Channel Voltage Converter Optocoupler Isolated Board Adapter Module Strong Anti-Interference For Isolation Control And Voltage
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13
$6.02
3.3V/5V To 3.6V/24V 4 Channel Voltage Converter Optocoupler Isolated Board Adapter Module Strong Anti-Interference For Isolation Control And Voltage
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$9.99
AOICRIE 8Pcs PC817 2 Channel Optocoupler Isolation Board Voltage Converter 3.6-30V Driver Photoelectric Isolated Module 817 Voltage Isolation Module
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3
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AOICRIE 8Pcs PC817 2 Channel Optocoupler Isolation Board Voltage Converter 3.6-30V Driver Photoelectric Isolated Module 817 Voltage Isolation Module
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$9.99
AOICRIE 4Pcs PC817 4 Channel Optocoupler Isolation Board Voltage Converter Adapter Module 3.6-30V Driver Photoelectric Isolated Module 817 Voltage
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AOICRIE 4Pcs PC817 4 Channel Optocoupler Isolation Board Voltage Converter Adapter Module 3.6-30V Driver Photoelectric Isolated Module 817 Voltage
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2PCS PC817 8 Channel Voltage Converter Module Optocoupler Isolation Driving Module 3.6-30V Driver Photoelectric Isolated Module For Triode, MOS Tube,
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2PCS PC817 8 Channel Voltage Converter Module Optocoupler Isolation Driving Module 3.6-30V Driver Photoelectric Isolated Module For Triode, MOS Tube,
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$21.29
Relay Module 16 Channel With Optocoupler Power Supply High Level Trigger (5V)
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$21.29
Relay Module 16 Channel With Optocoupler Power Supply High Level Trigger (5V)
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Dafurui 5V Relay Module8pack 1 Channel Relay Module 5V Relays Board With Optocoupler Support High/Low Level Trigger For Arduino Relays
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75
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Dafurui 5V Relay Module8pack 1 Channel Relay Module 5V Relays Board With Optocoupler Support High/Low Level Trigger For Arduino Relays
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$136.34
5603260 Phoenix Contact - Optocoupler - PLC-OSC- 24DC/ 24DC/ 2/C1D2 | PLC Direct | Programmable Logic Controllers And Industrial Automation Products
PLC Direct
$136.34
5603260 Phoenix Contact - Optocoupler - PLC-OSC- 24DC/ 24DC/ 2/C1D2 | PLC Direct | Programmable Logic Controllers And Industrial Automation Products
PLC Direct
$8.59
DWEII 7PCS IR Infrared Slotted Optical Optocoupler Module Speed Measuring Sensor 3.3V To 5V Photo Interrupter Sensor For Arduino
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DWEII 7PCS IR Infrared Slotted Optical Optocoupler Module Speed Measuring Sensor 3.3V To 5V Photo Interrupter Sensor For Arduino
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$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
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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
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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
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6
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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
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$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
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Fainwan 2Pcs 8 Channel DC 5V Relay Module With Optocoupler For UNO R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 Rasp-Berry Pi
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$18.99
KNACRO 4-Channel DC 5V Relay Module High-Low Level Triggering Optocoupler Isolation Load 30A DC 30V AC 250V For PLC Automation Control, Industrial
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$18.99
KNACRO 4-Channel DC 5V Relay Module High-Low Level Triggering Optocoupler Isolation Load 30A DC 30V AC 250V For PLC Automation Control, Industrial
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$8.49
2 Pcs 5V 2 Channel DC 5V Relay Module With Optocoupler High/Low Level Trigger Expansion Board
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$8.49
2 Pcs 5V 2 Channel DC 5V Relay Module With Optocoupler High/Low Level Trigger Expansion Board
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$11.99
Oiyagai 5Pcs LM393 Chip Motor Measuring Comparator Speed Sensor Module Slot Type IR Optocoupler For MCU Arduino
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Free shipping
$11.99
Oiyagai 5Pcs LM393 Chip Motor Measuring Comparator Speed Sensor Module Slot Type IR Optocoupler For MCU Arduino
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$9.50
Single-Channel Relay Module For Raspberry Pi Zero/2B/3B/4B, STM32, ESP32, Arduino - 3.3V/5V Relay Expansion Board With Optocoupler Isolation & LED
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$9.50
Single-Channel Relay Module For Raspberry Pi Zero/2B/3B/4B, STM32, ESP32, Arduino - 3.3V/5V Relay Expansion Board With Optocoupler Isolation & LED
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$11.69
2Pcs DC 5V 4 Channel Relay Module Board Shield With Optocoupler Isolation Suport High/Low Level Trigger Relay
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34
$11.69
2Pcs DC 5V 4 Channel Relay Module Board Shield With Optocoupler Isolation Suport High/Low Level Trigger Relay
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$15.09
4 Channel Relay Module DC 12V 30A Relay Module With Optocoupler Isolation
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$15.09
4 Channel Relay Module DC 12V 30A Relay Module With Optocoupler Isolation
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$13.59
DAOKI 5PCS 2 Channel DC 5V Relay Module With Optocoupler Low Level Trigger Expansion Board Compatible With Arduino
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13
$13.59
DAOKI 5PCS 2 Channel DC 5V Relay Module With Optocoupler Low Level Trigger Expansion Board Compatible With Arduino
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$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)
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$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)
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$5.99
KNACRO 5V 2-Channel Relay Module With Optocoupler Relay Board High And Low Trigger With LED Load 10A DC 30V AC 250V For PLC Automation Control,
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$5.99
KNACRO 5V 2-Channel Relay Module With Optocoupler Relay Board High And Low Trigger With LED Load 10A DC 30V AC 250V For PLC Automation Control,
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What is Optocoupler ? How Optocoupler Works ? The Optocoupler Explained
13:21
YouTubeALL ABOUT ELECTRONICS
What is Optocoupler ? How Optocoupler Works ? The Optocoupler Explained
In this video, what is optocoupler, how optocoupler works, and the difference between the Relay and the Optocoupler is explained. And at the later part of the video, some of the important specifications of the optocoupler are also explained. Timestamps for the different topics covered in the video: 0:00 Introduction 0:35 What is Optocoupler 1: ...
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Using a Opto-Coupler / Photo Transistor with Arduino in Visual Studio
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Shop optocoupler module

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$7.17
Walfront Optocoupler Isolation Board 3.6-30V Optocoupler Isolation Module 8 Channel Converter
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$7.17
Walfront Optocoupler Isolation Board 3.6-30V Optocoupler Isolation Module 8 Channel Converter
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$23.99
DONGKER Optocoupler Isolated Module,DC 24V To 5V 8-Channel Optocoupler Relay Module PLC-PNP Signal Converter
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DONGKER Optocoupler Isolated Module,DC 24V To 5V 8-Channel Optocoupler Relay Module PLC-PNP Signal Converter
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$16.21
8 Channel Optocoupler Isolation Board AC 220V Detection Module Voltage Level Converter For PLC MCU Testing
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$16.21
8 Channel Optocoupler Isolation Board AC 220V Detection Module Voltage Level Converter For PLC MCU Testing
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NOYITO 1-Channel PC817 Optocoupler Isolation Module Optoelectronic Isolator Signal Isolation And Anti-Interference 3-5V 12V 24V (Pack Of 2) (12V)
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NOYITO 1-Channel PC817 Optocoupler Isolation Module Optoelectronic Isolator Signal Isolation And Anti-Interference 3-5V 12V 24V (Pack Of 2) (12V)
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NOYITO 4-Channel Optocoupler Photoelectric Isolator Module Level Voltage Converter Module PLC Signal Converter Module PNP NPN To NPN (24V To 24V)
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NOYITO 4-Channel Optocoupler Photoelectric Isolator Module Level Voltage Converter Module PLC Signal Converter Module PNP NPN To NPN (24V To 24V)
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Alinan 8Pcs 2CH Optocoupler PC817 2 Channel Isolation Board Voltage Converter Adapter Module 3.6-30V Driver Photoelectric Isolated Module
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Alinan 8Pcs 2CH Optocoupler PC817 2 Channel Isolation Board Voltage Converter Adapter Module 3.6-30V Driver Photoelectric Isolated Module
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DONGKER Optocoupler Isolation Board,AC 110V 220V 8 Channel Optical Control Module PLC NPN Low Level Output Module
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$24.99
DONGKER Optocoupler Isolation Board,AC 110V 220V 8 Channel Optical Control Module PLC NPN Low Level Output Module
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Alinan 4Pcs 4CH Optocoupler PC817 4 Channel Isolation Board Voltage Converter Adapter Module 3.6-30V Driver Photoelectric Isolated Module
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4
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Alinan 4Pcs 4CH Optocoupler PC817 4 Channel Isolation Board Voltage Converter Adapter Module 3.6-30V Driver Photoelectric Isolated Module
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$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
$11.89
$12.59
EC Buying 5Pcs 12V Optocoupler Isolation Board Optoelectronic Isolator EL817 PC817 Card Rail Bracket Input 3-5 V Optocoupler Isolation Module 1
Amazon.com
$11.89
$12.59
EC Buying 5Pcs 12V Optocoupler Isolation Board Optoelectronic Isolator EL817 PC817 Card Rail Bracket Input 3-5 V Optocoupler Isolation Module 1
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
133
$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
$9.99
ACEIRMC 4Pcs 4CH Optocoupler PC817 4 Channel Isolation Board Voltage Converter Adapter Module 3.6-30V Driver Photoelectric Isolated Module (4CH
Amazon.com
12
$9.99
ACEIRMC 4Pcs 4CH Optocoupler PC817 4 Channel Isolation Board Voltage Converter Adapter Module 3.6-30V Driver Photoelectric Isolated Module (4CH
Amazon.com
$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
$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
7
$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
$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
$4.99
Yetaida 3V 1-Channel Multi-Mode Delay Timer Relay Module With Optocoupler For Home Automation, Industrial Control, DIY Projects
Amazon.com
$4.99
Yetaida 3V 1-Channel Multi-Mode Delay Timer Relay Module With Optocoupler For Home Automation, Industrial Control, DIY Projects
Amazon.com
$6.02
3.3V/5V To 3.6V/24V 4 Channel Voltage Converter Optocoupler Isolated Board Adapter Module Strong Anti-Interference For Isolation Control And Voltage
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13
$6.02
3.3V/5V To 3.6V/24V 4 Channel Voltage Converter Optocoupler Isolated Board Adapter Module Strong Anti-Interference For Isolation Control And Voltage
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$9.99
AOICRIE 8Pcs PC817 2 Channel Optocoupler Isolation Board Voltage Converter 3.6-30V Driver Photoelectric Isolated Module 817 Voltage Isolation Module
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3
$9.99
AOICRIE 8Pcs PC817 2 Channel Optocoupler Isolation Board Voltage Converter 3.6-30V Driver Photoelectric Isolated Module 817 Voltage Isolation Module
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