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$2.21

3.20

Relay Module 1 2 4 6 8 Channel 5V 12V 24V Relay Module Board with Optocoupler Support High and Low Level Trigger for Arduino

👍: 96.2%

Relay Module 1 2 4 6 8 Channel 5V 12V 24V Relay Module Board with Optocoupler Support High and Low Level Trigger for Arduino

$1.76

1.89

PC817 3.6-30V 2 4 Channel Optocoupler Isolation Board Voltage Converter Adapter Module Driver Photoelectric Isolated Module 817

👍: 96.7%

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$0.62

0.70

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👍: 96.4%

PC817 2/4/8 Channel Optocoupler Isolation Board Voltage Converter Adapter Module 3.6-30V Driver Photoelectric Isolated Module

$2.11

6.39

DC 3V/3.3V 1 Channel High Level Driver Relay Module Optocoupler Isolated Drive Control Board for Arduino SRD-DC03V-SL-C

👍: 100.0%

DC 3V/3.3V 1 Channel High Level Driver Relay Module Optocoupler Isolated Drive Control Board for Arduino SRD-DC03V-SL-C

$3.44

3.82

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👍: 0.0%

10PCS PC123 DIP4 Transistor output optocouplers Photocoupler Lead Free new original

$1.59

1.77

1 Channel 5V 12V Relay Module Board Shield for Arduino with Optocoupler Support High and Low Level Trigger

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1 Channel 5V 12V Relay Module Board Shield for Arduino with Optocoupler Support High and Low Level Trigger

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8.24

(12/20pieces) TLP5754 P5754 SOP-6 IGBT driver optocoupler chip new original electronics spot

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18.00

10pcs LTV-814 DIP-4 LTV814 DIP LTV-814A Compatible Optocoupler PC814 DIP4 DIP Optocoupler

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2.40

1-Bit AC 220V Optocoupler Isolation Module Voltage Detect Board Adaptive 3-5V For PLC 24V Level TTL Level

👍: 94.7%

1-Bit AC 220V Optocoupler Isolation Module Voltage Detect Board Adaptive 3-5V For PLC 24V Level TTL Level

$2.79

2.94

5V 12V 24V Relay Module With Optocoupler Relay Output 1 2 4 6 8 16Way Relay Module For Arduino PLC Automation Equipment Control

👍: 98.5%

5V 12V 24V Relay Module With Optocoupler Relay Output 1 2 4 6 8 16Way Relay Module For Arduino PLC Automation Equipment Control

$2.37

2.63

1 2 4 6 8 Channel 24V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger forArduino

👍: 90.0%

1 2 4 6 8 Channel 24V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger forArduino

$0.73

0.85

16 Channel Relay Shield Module DC 5V 12V 24V with Optocoupler LM2576 Microcontrollers Interface Power Relay For Arduino DIY Kit

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16 Channel Relay Shield Module DC 5V 12V 24V with Optocoupler LM2576 Microcontrollers Interface Power Relay For Arduino DIY Kit

$10.23

11.37

MOS FET 4 Channel Pulse Trigger Switch Controller Board PWM Optocoupler Opto-isolator Driver Board For Motor LED Light

👍: 92.0%

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$1.45

1.61

High and Low Level Trigger for arduino Raspberry pi DC 5V 12V 24V 1 2 4 6 8 Channel Relay Module Board Shield with Optocouple

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High and Low Level Trigger for arduino Raspberry pi DC 5V 12V 24V 1 2 4 6 8 Channel Relay Module Board Shield with Optocouple

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1.15

5v 12v 1 2 4 6 8 way relay module for arduino 1 2 4 6 8 channel relay module with optocoupler Relay Output In stock

👍: 95.7%

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12V 1 2 4 8 channel relay module with optocoupler. Relay Output 1 2 4 8 way relay module for arduino

👍: 0.0%

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1.00

1 2 4 6 8 Channel Relay Module Board Shield with Optocouple High and Low Level Trigger for arduino Raspberry pi DC 5V 12V 24V

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1.15

Relay module 1 2 4 6 8 Channel 5V 12V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino

👍: 99.4%

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0.74

electronic 1 relay module (with optocoupler isolation 5V low pull) smart car robot accessories

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PLC industrial control panels add / Quad optocoupler / optical isolation module sensor /Electronic Component

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Optocoupler Tester Type A Linear Optocoupler: A7860, A7800, A7820

👍: 100.0%

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151.90

50PCS/LOT TLP222G P222G TLP222-1 DIP-4 Optocoupler Photoelectric coupling New In Stock

👍: 100.0%

50PCS/LOT TLP222G P222G TLP222-1 DIP-4 Optocoupler Photoelectric coupling New In Stock

$16.04

19.80

100PCS/Set Optocoupler Kit TLP421 TLP521 TLP521-2GB TLP521-4GB PC817 PC814 TLP621 TLP620 TLP781 TLP785 Electronic Component Kit

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100PCS/Set Optocoupler Kit TLP421 TLP521 TLP521-2GB TLP521-4GB PC817 PC814 TLP621 TLP620 TLP781 TLP785 Electronic Component Kit

$16.15

48.94

3.3V 5V 12V 24V 1 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay Module Board

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3.3V 5V 12V 24V 1 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay Module Board

$2.36

2.62

DIYTZT 1 2 4 6 8 Channel 5V 12V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino

👍: 97.7%

DIYTZT 1 2 4 6 8 Channel 5V 12V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino

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7.29

ADUM1201 Digital Magnetic Isolator SPI Interface Dual Channel Serial Digital Isolator Module Small Replace Optocouplers for DIY

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8.72

YOUXINIC 2018+ 100% new imported original 3150A FOD3150ASD SOP-8 FOD3150A DIP-8 Optocoupler driver chip

👍: 100.0%

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$15.42

17.13

20pcs New 4N38 4N37 4N36 4N35 4N33 4N32 4N27 4N28 4N25 4N26 DIP-6 IC Optocoupler In Stock Wholesale

👍: 98.5%

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1.96

5V/12V/24V 16 Channel Relay Module for arduino ARM PIC AVR DSP Electronic Relay Plate Belt optocoupler isolation

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5V/12V/24V 16 Channel Relay Module for arduino ARM PIC AVR DSP Electronic Relay Plate Belt optocoupler isolation

$4.78

5.31

1 Channel Relay Module with Optocoupler Support High and Low Level Trigger Power Supply Module for Arduino 5V 9V 12V 24V

👍: 100.0%

1 Channel Relay Module with Optocoupler Support High and Low Level Trigger Power Supply Module for Arduino 5V 9V 12V 24V

$0.43

0.57

10pcs/lot New PS2561 DIP-4 2561 PS2561-1 SOP4 PS261A DIP PS2561L-1-V-F3 optocoupler

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1.23

1PCS Relay Module Optocoupler Relay 5V 12V 24V Relay Output 1 2 4 6 8 Channel Trigger Board Shield Compatible with Arduino

👍: 97.0%

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2.70

Low Level Trigger Relay Module,5/12/24V,1/2/4/6/8/16 Channels,With Optocoupler Relay Output,Home Intelligent Control Module

👍: 95.0%

Low Level Trigger Relay Module,5/12/24V,1/2/4/6/8/16 Channels,With Optocoupler Relay Output,Home Intelligent Control Module

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2.28

LILYGO® T-Relay ESP32 Relay Module DC 5V 4/8 Channel Optocoupler Relays Development Board Wireless Smart Remote Switch Control

👍: 100.0%

LILYGO® T-Relay ESP32 Relay Module DC 5V 4/8 Channel Optocoupler Relays Development Board Wireless Smart Remote Switch Control

$13.99

19.99

PC817 2 4 8 Channel Optocoupler Isolation Board Voltage Converter Adapter Module 3.6-30V Driver Photoelectric Isolated Module

👍: 100.0%

PC817 2 4 8 Channel Optocoupler Isolation Board Voltage Converter Adapter Module 3.6-30V Driver Photoelectric Isolated Module

$2.33

2.59

DC 5V 12V 24V 1 2 4 6 8 Channel Relay Module Board Shield with Optocoupler / High and Low Level Trigger for arduino Raspberry Pi

👍: 97.4%

DC 5V 12V 24V 1 2 4 6 8 Channel Relay Module Board Shield with Optocoupler / High and Low Level Trigger for arduino Raspberry Pi

$1.84

2.04

50pcs PC817 EL817 817 817C FL817C PS817C DIP Optocoupler

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50pcs PC817 EL817 817 817C FL817C PS817C DIP Optocoupler

$1.8

2.00

8DI 8DO Digital input and output module Optocoupler isolated / RS485 MODBUS RTU communications Wellpro WP8028ADAM

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8DI 8DO Digital input and output module Optocoupler isolated / RS485 MODBUS RTU communications Wellpro WP8028ADAM

$25.26

26.59

(5PCS) LDA210 OPTOCOUPLER DUAL TRANS-OUT 8-DIP 210

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(5PCS) LDA210 OPTOCOUPLER DUAL TRANS-OUT 8-DIP 210

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5.31

Relay module 2 Channel 5V 12V 24V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino

👍: 100.0%

Relay module 2 Channel 5V 12V 24V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino

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0.87

V5.0 Optocoupler test instrument online test detection tools for electronic repair special 4 pin optocoupler test PCB repair

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V5.0 Optocoupler test instrument online test detection tools for electronic repair special 4 pin optocoupler test PCB repair

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8.05

5v 12v 1 2 4 6 8 Channel Relay Module with optocoupler Relay Output 1 2 4 6 8 Way relay Module For Arduino In stock

👍: 97.4%

5v 12v 1 2 4 6 8 Channel Relay Module with optocoupler Relay Output 1 2 4 6 8 Way relay Module For Arduino In stock

$1.88

2.09

High/Low Level Trigger Relay Module,1/2/4/6/8 Channel,5V12V24V,Home Intelligent Control Module,With Optocoupler Isolation Output

👍: 98.3%

High/Low Level Trigger Relay Module,1/2/4/6/8 Channel,5V12V24V,Home Intelligent Control Module,With Optocoupler Isolation Output

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2.35

5V 12V One 1 Channel Relay Module Board Shield with optocoupler Support High and Low Level Trigger

👍: 94.2%

5V 12V One 1 Channel Relay Module Board Shield with optocoupler Support High and Low Level Trigger

$2.5

2.78

LILYGO® T-Relay 5V 8 Channel Relay Module ESP32 Wireless Development Board WIFI Bluetooth With Optocoupler Isolation For Arduino

👍: 100.0%

LILYGO® T-Relay 5V 8 Channel Relay Module ESP32 Wireless Development Board WIFI Bluetooth With Optocoupler Isolation For Arduino

$30.98

34.42

50PCS PC817 PC817C 817 817C EL817 5v Optocoupler FL817C PS817C DIP4 DIP Opto Coupler New and Original Optical Isolation IC Chip

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50PCS PC817 PC817C 817 817C EL817 5v Optocoupler FL817C PS817C DIP4 DIP Opto Coupler New and Original Optical Isolation IC Chip

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4.06

1 2 4 8 Channel 5V 12V 24V Relay Module Board Shield with Optocoupler Support High Low Level Trigger for Arduino

👍: 96.8%

1 2 4 8 Channel 5V 12V 24V Relay Module Board Shield with Optocoupler Support High Low Level Trigger for Arduino

$1.21

1.34

New 12V 1 Channel Relay Module With Optocoupler Isolation Support High or Low Level Trigger

👍: 100.0%

New 12V 1 Channel Relay Module With Optocoupler Isolation Support High or Low Level Trigger

$0.61

0.68

5v 1 2 4 8 channel relay module with optocoupler. Relay Output 1 2 4 8 way relay module for arduino

👍: 95.0%

5v 1 2 4 8 channel relay module with optocoupler. Relay Output 1 2 4 8 way relay module for arduino

$2.52

7.88

Optocoupler Tester Kit Board Practice Welding DIY Electronic Product Spare Parts

👍: 98.9%

Optocoupler Tester Kit Board Practice Welding DIY Electronic Product Spare Parts

$1.9

2.11

Optocoupler Tester Kit Board Practice Welding DIY Electronic Product Spare Parts

👍: 100.0%

Optocoupler Tester Kit Board Practice Welding DIY Electronic Product Spare Parts

$2.48

3.54

AL-ZARD Optocoupler Isolation Board Voltage Converter Isolated Module PLC Signal Level Board NPN Output 1.8V 3.3V 5V 12V 24V

👍: 100.0%

AL-ZARD Optocoupler Isolation Board Voltage Converter Isolated Module PLC Signal Level Board NPN Output 1.8V 3.3V 5V 12V 24V

$1.6

1.78

5V 12V 24V Relay Module With Optocoupler Relay Output 1 2 4 6 8 16Way Relay Module For Arduino PLC Automation Equipment Control

👍: 96.9%

5V 12V 24V Relay Module With Optocoupler Relay Output 1 2 4 6 8 16Way Relay Module For Arduino PLC Automation Equipment Control

$1.96

2.18

(50piece)100% New PC817 PC817C DIP-4 817C 817 Optocoupler Original

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(50piece)100% New PC817 PC817C DIP-4 817C 817 Optocoupler Original

$1.61

1.75

PC817 1 2 4 8 Channel Optocoupler Isolation Board Voltage Converter Adapter Module 3.6-30V Driver Photoelectric Isolated Module

👍: 95.5%

PC817 1 2 4 8 Channel Optocoupler Isolation Board Voltage Converter Adapter Module 3.6-30V Driver Photoelectric Isolated Module

$1.93

6.89

2 Channel Relay Module 12V 5V 24V Output Capacity Within DC 30V 30A or AC 250V 30A Optocoupler Isolation Relay Board Module

👍: 96.9%

2 Channel Relay Module 12V 5V 24V Output Capacity Within DC 30V 30A or AC 250V 30A Optocoupler Isolation Relay Board Module

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11.02

TZT 5v 12v 1 2 4 6 8 channel relay module with optocoupler Relay Output 1 2 4 6 8 way relay module for arduino In stock

👍: 96.0%

TZT 5v 12v 1 2 4 6 8 channel relay module with optocoupler Relay Output 1 2 4 6 8 way relay module for arduino In stock

$1.76

2.93

TZT 5V 12V 1 2 4 6 8 Channel Relay Module With Optocoupler Relay Output 1 2 4 6 8 Way Relay Module For Arduino In stock

👍: 98.9%

TZT 5V 12V 1 2 4 6 8 Channel Relay Module With Optocoupler Relay Output 1 2 4 6 8 Way Relay Module For Arduino In stock

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1.31

Integrated Circuit IC Chip Tester Transistor Optocoupler Operational Amplifier Regulator Tube Automatic Identification Device

👍: 100.0%

Integrated Circuit IC Chip Tester Transistor Optocoupler Operational Amplifier Regulator Tube Automatic Identification Device

$37.34

38.49

1000Pcs/lot PC817C PC817 EL817 DIP-4 Transistor Output Optocoupler Best Quality.

👍: 100.0%

1000Pcs/lot PC817C PC817 EL817 DIP-4 Transistor Output Optocoupler Best Quality.

$21.37

29.68

5V 12V 24V Low-level Trigger 1 Channel Relay Module Optocoupler Isolation PLC Control Drive Board Dropshipping

👍: 96.0%

5V 12V 24V Low-level Trigger 1 Channel Relay Module Optocoupler Isolation PLC Control Drive Board Dropshipping

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0.63

2pcs TLP185GB SOP4 P185GB P185 OPTOCOUPLER

👍: 100.0%

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0.22

Mosleader PC817 DIP4 1000PCS PC817C Relpace EL817 Made in China High quality Optocouplers

👍: 100.0%

Mosleader PC817 DIP4 1000PCS PC817C Relpace EL817 Made in China High quality Optocouplers

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17.04

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