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Optocoupler

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23% off
EL817 PC817 1 2 4 8 Way Channel Optocoupler Isolation Module PLC 3V-5V 12V 24V Photoelectric Isolator Optical Coupler Board EL817 PC817 1 2 4 8 Way Channel Optocoupler Isolation Module PLC 3V-5V 12V 24V Photoelectric Isolator Optical Coupler Board

EL817 PC817 1 2 4 8 Way Channel Optocoupler Isolation Module PLC 3V-5V 12V 24V Photoelectric Isolator Optical Coupler Board

$0.72$0.93

5 sold
1% off
1/2/4/8 Channel Relay Module DC 5V12V24V High/Low Level Trigger PLC with Optocoupler Isolated Output Time Delay Relay Module 1/2/4/8 Channel Relay Module DC 5V12V24V High/Low Level Trigger PLC with Optocoupler Isolated Output Time Delay Relay Module

1/2/4/8 Channel Relay Module DC 5V12V24V High/Low Level Trigger PLC with Optocoupler Isolated Output Time Delay Relay Module

$2.62$2.63

3 sold
10PCS TEJIATE Optocoupler EL357N C426 Transistor Photoelectric Output Optical Isolator 10PCS TEJIATE Optocoupler EL357N C426 Transistor Photoelectric Output Optical Isolator

10PCS TEJIATE Optocoupler EL357N C426 Transistor Photoelectric Output Optical Isolator

$0.59$0.59

56% off
1 4 6 8 Channel 5V12V24V Relay Module with Optocoupler, High Low Level Trigger Shield for Arduino PIC AVR MCU DIY Blue Board 1 4 6 8 Channel 5V12V24V Relay Module with Optocoupler, High Low Level Trigger Shield for Arduino PIC AVR MCU DIY Blue Board

1 4 6 8 Channel 5V12V24V Relay Module with Optocoupler, High Low Level Trigger Shield for Arduino PIC AVR MCU DIY Blue Board

$25.92$59.14

61 sold
51% off
3.3V 5V 12V 24V 1 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay Module Board 3.3V 5V 12V 24V 1 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay Module Board

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

$28.76$58.69

2 sold
35% off
LR7843 MOSFET FET Module with Optocoupler Isolation for Microcontroller Boards Compatible 30V 161A Motor Control LR7843 MOSFET FET Module with Optocoupler Isolation for Microcontroller Boards Compatible 30V 161A Motor Control

LR7843 MOSFET FET Module with Optocoupler Isolation for Microcontroller Boards Compatible 30V 161A Motor Control

$2.13$3.28

1 sold
51% off
3.3V 5V 12V 24V 1 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay Module Board 3.3V 5V 12V 24V 1 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay Module Board

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

$31.86$65.03

33 sold
58% off
3.3V 1 Channel Relay Low Level Trigger Relay Module with Optocoupler Isolation high quality 3.3V 1 Channel Relay Low Level Trigger Relay Module with Optocoupler Isolation high quality

3.3V 1 Channel Relay Low Level Trigger Relay Module with Optocoupler Isolation high quality

$3.26$7.76

4 sold
50% off
Relay Module 5V 12V 24V with Optocoupler Relay Output 1/2/4/6/8Way Relay Module for Arduino PLC Automation Equipment Control Relay Module 5V 12V 24V with Optocoupler Relay Output 1/2/4/6/8Way Relay Module for Arduino PLC Automation Equipment Control

Relay Module 5V 12V 24V with Optocoupler Relay Output 1/2/4/6/8Way Relay Module for Arduino PLC Automation Equipment Control

$25.46$50.92

26 sold
56% off
1 Channel 3V/3.3V Relay Module High Level Trigger with Optocoupler Isolation 10A 250VAC/30VDC Drive Control Board for Arduino 1 Channel 3V/3.3V Relay Module High Level Trigger with Optocoupler Isolation 10A 250VAC/30VDC Drive Control Board for Arduino

1 Channel 3V/3.3V Relay Module High Level Trigger with Optocoupler Isolation 10A 250VAC/30VDC Drive Control Board for Arduino

$25.53$58.48

225 sold
Clearance sale 5V relay module KY-019 1-way optocoupler relay module with optocoupler isolation Clearance sale 5V relay module KY-019 1-way optocoupler relay module with optocoupler isolation

Clearance sale 5V relay module KY-019 1-way optocoupler relay module with optocoupler isolation

$0.52$0.52

23% off
PC817 2 4 8 Channel Optocoupler Isolation Board Voltage Converter Adapter Module 3.6-30V Driver Photoelectric Isolated Module PC817 2 4 8 Channel Optocoupler Isolation Board Voltage Converter Adapter Module 3.6-30V Driver Photoelectric Isolated Module

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

$0.65$0.85

51% off
4-Channel MOSFET/FET Module 3-20V Optocoupler Isolated PLC Amplifier Driver Circuit Board 4-Channel MOSFET/FET Module 3-20V Optocoupler Isolated PLC Amplifier Driver Circuit Board

4-Channel MOSFET/FET Module 3-20V Optocoupler Isolated PLC Amplifier Driver Circuit Board

$35.65$72.76

4 sold
1% off
5V 1 2 4 6 8 Channel Relay Module With Optocoupler Relay Output 1 2 4 8 Way relay Module 5V 1 2 4 6 8 Channel Relay Module With Optocoupler Relay Output 1 2 4 8 Way relay Module

5V 1 2 4 6 8 Channel Relay Module With Optocoupler Relay Output 1 2 4 8 Way relay Module

$14.51$14.66

5 sold
1PCS TEJIATE Optocoupler HCPL A316J 0600 0630 2630 A3120 A3140 A4504 A7840 SMD Photoelectric Isolator 1PCS TEJIATE Optocoupler HCPL A316J 0600 0630 2630 A3120 A3140 A4504 A7840 SMD Photoelectric Isolator

1PCS TEJIATE Optocoupler HCPL A316J 0600 0630 2630 A3120 A3140 A4504 A7840 SMD Photoelectric Isolator

$0.49$0.49

50% off
PC817 2 4 8 Channel Optocoupler Isolation Board Voltage Converter Adapter Module 3.6-30V Driver Photoelectric Isolated Module PC817 2 4 8 Channel Optocoupler Isolation Board Voltage Converter Adapter Module 3.6-30V Driver Photoelectric Isolated Module

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

$24.48$48.97

8 sold
51% off
1PCS 5V 30A Two-way isolation relay module High/low level trigger 5V 30A 1-Channel Relay Module+Electronic With Optocoupler 1PCS 5V 30A Two-way isolation relay module High/low level trigger 5V 30A 1-Channel Relay Module+Electronic With Optocoupler

1PCS 5V 30A Two-way isolation relay module High/low level trigger 5V 30A 1-Channel Relay Module+Electronic With Optocoupler

$32.91$67.16

13 sold
Stlxy IR Infrared Slotted Optical Speed Measuring Sensor Detection Optocoupler Module For Motor Test Stlxy IR Infrared Slotted Optical Speed Measuring Sensor Detection Optocoupler Module For Motor Test

Stlxy IR Infrared Slotted Optical Speed Measuring Sensor Detection Optocoupler Module For Motor Test

$1.74$1.74

26 sold
23% off
1/2/5/10PCS 5V 1 Channel Relay Module With Optocoupler KY-019 SRD-05VDC-SL-C with NO/NC Contact For Ardu+ino Appliance Control 1/2/5/10PCS 5V 1 Channel Relay Module With Optocoupler KY-019 SRD-05VDC-SL-C with NO/NC Contact For Ardu+ino Appliance Control

1/2/5/10PCS 5V 1 Channel Relay Module With Optocoupler KY-019 SRD-05VDC-SL-C with NO/NC Contact For Ardu+ino Appliance Control

$0.69$0.89

50% off
New Sale 3.3V 5V 12V 24V 1 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay Module Board New Sale 3.3V 5V 12V 24V 1 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay Module Board

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

$31.05$62.11

10 sold
3% off
5pcs Optocoupler Accessories Coupler Driver Linear Optoisolator Photocoupler VTL5C9 Xvive Practical Industrial 5pcs Optocoupler Accessories Coupler Driver Linear Optoisolator Photocoupler VTL5C9 Xvive Practical Industrial

5pcs Optocoupler Accessories Coupler Driver Linear Optoisolator Photocoupler VTL5C9 Xvive Practical Industrial

$32.73$33.93

5 sold
2PCS TEJIATE Optocoupler PS2801-4 SMD Photoelectric Isolator 2PCS TEJIATE Optocoupler PS2801-4 SMD Photoelectric Isolator

2PCS TEJIATE Optocoupler PS2801-4 SMD Photoelectric Isolator

$1.19$1.19

5PCS TEJIATE Optocoupler EL4N32 DIP-6 Photoelectric Isolator

5PCS TEJIATE Optocoupler EL4N32 DIP-6 Photoelectric Isolator

$0.99$0.99

5% off
20pcs PC817 EL817 817 817C FL817C PS817C Optocouple 100%new and original SOP SOP-4 SOM 20pcs PC817 EL817 817 817C FL817C PS817C Optocouple 100%new and original SOP SOP-4 SOM

20pcs PC817 EL817 817 817C FL817C PS817C Optocouple 100%new and original SOP SOP-4 SOM

$0.65$0.68

22% off
10pcs/lot LTV-352T 352T LTV-354T 354T LTV-357T 357T LTV-356T 356T LTV-355T 355T SOP-4 Patch optocoupler In Stock 10pcs/lot LTV-352T 352T LTV-354T 354T LTV-357T 357T LTV-356T 356T LTV-355T 355T SOP-4 Patch optocoupler In Stock

10pcs/lot LTV-352T 352T LTV-354T 354T LTV-357T 357T LTV-356T 356T LTV-355T 355T SOP-4 Patch optocoupler In Stock

$0.44$0.57

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

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

$2.07$2.07

177 sold
40% off
Optocoupler Isolation MOSFET Module LR7843 30V PWMs Control FET Board Relay Substitute For Arduino Raspberrys Pi Motor Control Optocoupler Isolation MOSFET Module LR7843 30V PWMs Control FET Board Relay Substitute For Arduino Raspberrys Pi Motor Control

Optocoupler Isolation MOSFET Module LR7843 30V PWMs Control FET Board Relay Substitute For Arduino Raspberrys Pi Motor Control

$2.14$3.56

30% off
3.3V 5V 12V 24V 1 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay Module Board 3.3V 5V 12V 24V 1 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay Module Board

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

$3.38$4.83

2 sold
50% off
30A YYG-2 DC 5V/12V/24V Relay Module High Power One Way High/Low Level Trigger Optocoupler Isolation Relay Module 30A YYG-2 DC 5V/12V/24V Relay Module High Power One Way High/Low Level Trigger Optocoupler Isolation Relay Module

30A YYG-2 DC 5V/12V/24V Relay Module High Power One Way High/Low Level Trigger Optocoupler Isolation Relay Module

$37.40$74.80

18 sold
1% off
3.3V 5V 12V 24V 1 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay Module Board Signal 3.3V 5V 12V 24V 1 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay Module Board Signal

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

$20.62$20.71

15 sold
50% off
1PC DC 3.3V,5V,12V,24V,1 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay Module Board 1PC DC 3.3V,5V,12V,24V,1 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay Module Board

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

$30.22$60.45

12 sold
Slot Type IR Optocoupler Speed Sensor Module 3.3V-5V Counter Module 51 AVR PIC 3.3V-5V Diy Kit Optical Speed Measuring Module Slot Type IR Optocoupler Speed Sensor Module 3.3V-5V Counter Module 51 AVR PIC 3.3V-5V Diy Kit Optical Speed Measuring Module

Slot Type IR Optocoupler Speed Sensor Module 3.3V-5V Counter Module 51 AVR PIC 3.3V-5V Diy Kit Optical Speed Measuring Module

$1.79$1.79

23 sold
35% off
3.3V 5V 12V 24V 1 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay Module Board 3.3V 5V 12V 24V 1 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay Module Board

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

$2.91$4.48

39% off
1-Channel DC Relay Module with Optocoupler Isolation for 5V 12V 24V Control Lines in Robotics and IoT Device Control 1-Channel DC Relay Module with Optocoupler Isolation for 5V 12V 24V Control Lines in Robotics and IoT Device Control

1-Channel DC Relay Module with Optocoupler Isolation for 5V 12V 24V Control Lines in Robotics and IoT Device Control

$2.85$4.67

39% off
1-Channel Relay Module with Selectable 5V 12V 24V Input and Optocoupler Isolation for Multi Platform Compatibility 1-Channel Relay Module with Selectable 5V 12V 24V Input and Optocoupler Isolation for Multi Platform Compatibility

1-Channel Relay Module with Selectable 5V 12V 24V Input and Optocoupler Isolation for Multi Platform Compatibility

$2.85$4.67

2% off
1 circuit 5V 12V relay module with optocoupler isolation relay, microcontroller expansion board level trigger 1 circuit 5V 12V relay module with optocoupler isolation relay, microcontroller expansion board level trigger

1 circuit 5V 12V relay module with optocoupler isolation relay, microcontroller expansion board level trigger

$0.59$0.60

23% off
EL817 PC817 1 2 4 8 Way Channel Optocoupler Isolation Module PLC 3V-5V 12V 24V Photoelectric Isolator Optical Coupler Board EL817 PC817 1 2 4 8 Way Channel Optocoupler Isolation Module PLC 3V-5V 12V 24V Photoelectric Isolator Optical Coupler Board

EL817 PC817 1 2 4 8 Way Channel Optocoupler Isolation Module PLC 3V-5V 12V 24V Photoelectric Isolator Optical Coupler Board

$0.72 $0.93

5 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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1% off
1/2/4/8 Channel Relay Module DC 5V12V24V High/Low Level Trigger PLC with Optocoupler Isolated Output Time Delay Relay Module 1/2/4/8 Channel Relay Module DC 5V12V24V High/Low Level Trigger PLC with Optocoupler Isolated Output Time Delay Relay Module

1/2/4/8 Channel Relay Module DC 5V12V24V High/Low Level Trigger PLC with Optocoupler Isolated Output Time Delay Relay Module

$2.62 $2.63

3 sold

Categories: Home Improvement, Electrical Equipment & Supplies

Buy Now
10PCS TEJIATE Optocoupler EL357N C426 Transistor Photoelectric Output Optical Isolator 10PCS TEJIATE Optocoupler EL357N C426 Transistor Photoelectric Output Optical Isolator

10PCS TEJIATE Optocoupler EL357N C426 Transistor Photoelectric Output Optical Isolator

$0.59 $0.59

Categories: Home Improvement, Electrical Equipment & Supplies

Buy Now
56% off
1 4 6 8 Channel 5V12V24V Relay Module with Optocoupler, High Low Level Trigger Shield for Arduino PIC AVR MCU DIY Blue Board 1 4 6 8 Channel 5V12V24V Relay Module with Optocoupler, High Low Level Trigger Shield for Arduino PIC AVR MCU DIY Blue Board

1 4 6 8 Channel 5V12V24V Relay Module with Optocoupler, High Low Level Trigger Shield for Arduino PIC AVR MCU DIY Blue Board

$25.92 $59.14

61 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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51% off
3.3V 5V 12V 24V 1 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay Module Board 3.3V 5V 12V 24V 1 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay Module Board

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

$28.76 $58.69

2 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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35% off
LR7843 MOSFET FET Module with Optocoupler Isolation for Microcontroller Boards Compatible 30V 161A Motor Control LR7843 MOSFET FET Module with Optocoupler Isolation for Microcontroller Boards Compatible 30V 161A Motor Control

LR7843 MOSFET FET Module with Optocoupler Isolation for Microcontroller Boards Compatible 30V 161A Motor Control

$2.13 $3.28

1 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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51% off
3.3V 5V 12V 24V 1 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay Module Board 3.3V 5V 12V 24V 1 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay Module Board

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

$31.86 $65.03

33 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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58% off
3.3V 1 Channel Relay Low Level Trigger Relay Module with Optocoupler Isolation high quality 3.3V 1 Channel Relay Low Level Trigger Relay Module with Optocoupler Isolation high quality

3.3V 1 Channel Relay Low Level Trigger Relay Module with Optocoupler Isolation high quality

$3.26 $7.76

4 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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50% off
Relay Module 5V 12V 24V with Optocoupler Relay Output 1/2/4/6/8Way Relay Module for Arduino PLC Automation Equipment Control Relay Module 5V 12V 24V with Optocoupler Relay Output 1/2/4/6/8Way Relay Module for Arduino PLC Automation Equipment Control

Relay Module 5V 12V 24V with Optocoupler Relay Output 1/2/4/6/8Way Relay Module for Arduino PLC Automation Equipment Control

$25.46 $50.92

26 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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56% off
1 Channel 3V/3.3V Relay Module High Level Trigger with Optocoupler Isolation 10A 250VAC/30VDC Drive Control Board for Arduino 1 Channel 3V/3.3V Relay Module High Level Trigger with Optocoupler Isolation 10A 250VAC/30VDC Drive Control Board for Arduino

1 Channel 3V/3.3V Relay Module High Level Trigger with Optocoupler Isolation 10A 250VAC/30VDC Drive Control Board for Arduino

$25.53 $58.48

225 sold

Categories: Home Improvement, Electrical Equipment & Supplies

Buy Now
Clearance sale 5V relay module KY-019 1-way optocoupler relay module with optocoupler isolation Clearance sale 5V relay module KY-019 1-way optocoupler relay module with optocoupler isolation

Clearance sale 5V relay module KY-019 1-way optocoupler relay module with optocoupler isolation

$0.52 $0.52

Categories: Home Improvement, Electrical Equipment & Supplies

Buy Now
23% off
PC817 2 4 8 Channel Optocoupler Isolation Board Voltage Converter Adapter Module 3.6-30V Driver Photoelectric Isolated Module PC817 2 4 8 Channel Optocoupler Isolation Board Voltage Converter Adapter Module 3.6-30V Driver Photoelectric Isolated Module

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

$0.65 $0.85

Categories: Home Improvement, Electrical Equipment & Supplies

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51% off
4-Channel MOSFET/FET Module 3-20V Optocoupler Isolated PLC Amplifier Driver Circuit Board 4-Channel MOSFET/FET Module 3-20V Optocoupler Isolated PLC Amplifier Driver Circuit Board

4-Channel MOSFET/FET Module 3-20V Optocoupler Isolated PLC Amplifier Driver Circuit Board

$35.65 $72.76

4 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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1% off
5V 1 2 4 6 8 Channel Relay Module With Optocoupler Relay Output 1 2 4 8 Way relay Module 5V 1 2 4 6 8 Channel Relay Module With Optocoupler Relay Output 1 2 4 8 Way relay Module

5V 1 2 4 6 8 Channel Relay Module With Optocoupler Relay Output 1 2 4 8 Way relay Module

$14.51 $14.66

5 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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1PCS TEJIATE Optocoupler HCPL A316J 0600 0630 2630 A3120 A3140 A4504 A7840 SMD Photoelectric Isolator 1PCS TEJIATE Optocoupler HCPL A316J 0600 0630 2630 A3120 A3140 A4504 A7840 SMD Photoelectric Isolator

1PCS TEJIATE Optocoupler HCPL A316J 0600 0630 2630 A3120 A3140 A4504 A7840 SMD Photoelectric Isolator

$0.49 $0.49

Categories: Home Improvement, Electrical Equipment & Supplies

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50% off
PC817 2 4 8 Channel Optocoupler Isolation Board Voltage Converter Adapter Module 3.6-30V Driver Photoelectric Isolated Module PC817 2 4 8 Channel Optocoupler Isolation Board Voltage Converter Adapter Module 3.6-30V Driver Photoelectric Isolated Module

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

$24.48 $48.97

8 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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51% off
1PCS 5V 30A Two-way isolation relay module High/low level trigger 5V 30A 1-Channel Relay Module+Electronic With Optocoupler 1PCS 5V 30A Two-way isolation relay module High/low level trigger 5V 30A 1-Channel Relay Module+Electronic With Optocoupler

1PCS 5V 30A Two-way isolation relay module High/low level trigger 5V 30A 1-Channel Relay Module+Electronic With Optocoupler

$32.91 $67.16

13 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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Stlxy IR Infrared Slotted Optical Speed Measuring Sensor Detection Optocoupler Module For Motor Test Stlxy IR Infrared Slotted Optical Speed Measuring Sensor Detection Optocoupler Module For Motor Test

Stlxy IR Infrared Slotted Optical Speed Measuring Sensor Detection Optocoupler Module For Motor Test

$1.74 $1.74

26 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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23% off
1/2/5/10PCS 5V 1 Channel Relay Module With Optocoupler KY-019 SRD-05VDC-SL-C with NO/NC Contact For Ardu+ino Appliance Control 1/2/5/10PCS 5V 1 Channel Relay Module With Optocoupler KY-019 SRD-05VDC-SL-C with NO/NC Contact For Ardu+ino Appliance Control

1/2/5/10PCS 5V 1 Channel Relay Module With Optocoupler KY-019 SRD-05VDC-SL-C with NO/NC Contact For Ardu+ino Appliance Control

$0.69 $0.89

Categories: Home Improvement, Electrical Equipment & Supplies

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50% off
New Sale 3.3V 5V 12V 24V 1 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay Module Board New Sale 3.3V 5V 12V 24V 1 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay Module Board

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

$31.05 $62.11

10 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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3% off
5pcs Optocoupler Accessories Coupler Driver Linear Optoisolator Photocoupler VTL5C9 Xvive Practical Industrial 5pcs Optocoupler Accessories Coupler Driver Linear Optoisolator Photocoupler VTL5C9 Xvive Practical Industrial

5pcs Optocoupler Accessories Coupler Driver Linear Optoisolator Photocoupler VTL5C9 Xvive Practical Industrial

$32.73 $33.93

5 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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2PCS TEJIATE Optocoupler PS2801-4 SMD Photoelectric Isolator 2PCS TEJIATE Optocoupler PS2801-4 SMD Photoelectric Isolator

2PCS TEJIATE Optocoupler PS2801-4 SMD Photoelectric Isolator

$1.19 $1.19

Categories: Home Improvement, Electrical Equipment & Supplies

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5PCS TEJIATE Optocoupler EL4N32 DIP-6 Photoelectric Isolator

5PCS TEJIATE Optocoupler EL4N32 DIP-6 Photoelectric Isolator

$0.99 $0.99

Categories: Home Improvement, Electrical Equipment & Supplies

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5% off
20pcs PC817 EL817 817 817C FL817C PS817C Optocouple 100%new and original SOP SOP-4 SOM 20pcs PC817 EL817 817 817C FL817C PS817C Optocouple 100%new and original SOP SOP-4 SOM

20pcs PC817 EL817 817 817C FL817C PS817C Optocouple 100%new and original SOP SOP-4 SOM

$0.65 $0.68

Categories: Home Improvement, Electrical Equipment & Supplies

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22% off
10pcs/lot LTV-352T 352T LTV-354T 354T LTV-357T 357T LTV-356T 356T LTV-355T 355T SOP-4 Patch optocoupler In Stock 10pcs/lot LTV-352T 352T LTV-354T 354T LTV-357T 357T LTV-356T 356T LTV-355T 355T SOP-4 Patch optocoupler In Stock

10pcs/lot LTV-352T 352T LTV-354T 354T LTV-357T 357T LTV-356T 356T LTV-355T 355T SOP-4 Patch optocoupler In Stock

$0.44 $0.57

2 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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

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

$2.07 $2.07

177 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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40% off
Optocoupler Isolation MOSFET Module LR7843 30V PWMs Control FET Board Relay Substitute For Arduino Raspberrys Pi Motor Control Optocoupler Isolation MOSFET Module LR7843 30V PWMs Control FET Board Relay Substitute For Arduino Raspberrys Pi Motor Control

Optocoupler Isolation MOSFET Module LR7843 30V PWMs Control FET Board Relay Substitute For Arduino Raspberrys Pi Motor Control

$2.14 $3.56

Categories: Home Improvement, Electrical Equipment & Supplies

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30% off
3.3V 5V 12V 24V 1 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay Module Board 3.3V 5V 12V 24V 1 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay Module Board

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

$3.38 $4.83

2 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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50% off
30A YYG-2 DC 5V/12V/24V Relay Module High Power One Way High/Low Level Trigger Optocoupler Isolation Relay Module 30A YYG-2 DC 5V/12V/24V Relay Module High Power One Way High/Low Level Trigger Optocoupler Isolation Relay Module

30A YYG-2 DC 5V/12V/24V Relay Module High Power One Way High/Low Level Trigger Optocoupler Isolation Relay Module

$37.40 $74.80

18 sold

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