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48% off
Relay Module 1 2 4 6 8 Channel 5V 12V 24V Relay Module Board with Optocoupler Support High and Low Level Trigger for Arduino Relay Module 1 2 4 6 8 Channel 5V 12V 24V Relay Module Board with Optocoupler Support High and Low Level Trigger for Arduino

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

$7.04$13.80

319 sold
30% off
1 Channel Relay Module Board 5V 12V 24V Shield With Optocoupler 12V Relay Module Support High and Low Level Trigger for Arduino 1 Channel Relay Module Board 5V 12V 24V Shield With Optocoupler 12V Relay Module Support High and Low Level Trigger for Arduino

1 Channel Relay Module Board 5V 12V 24V Shield With Optocoupler 12V Relay Module Support High and Low Level Trigger for Arduino

$7.48$10.68

92 sold
ONE 1 channel relay module 30A with optocoupler isolation 5V 12V 24V supports high and low Triger trigger ONE 1 channel relay module 30A with optocoupler isolation 5V 12V 24V supports high and low Triger trigger

ONE 1 channel relay module 30A with optocoupler isolation 5V 12V 24V supports high and low Triger trigger

$7.11$7.11

219 sold
21% off
1 Channel Way Optocoupler Isolation Module PC817 EL817 3V-5V 12V 24V Photoelectric Isolator Rail Holder PLC Drive Motor Board 1 Channel Way Optocoupler Isolation Module PC817 EL817 3V-5V 12V 24V Photoelectric Isolator Rail Holder PLC Drive Motor Board

1 Channel Way Optocoupler Isolation Module PC817 EL817 3V-5V 12V 24V Photoelectric Isolator Rail Holder PLC Drive Motor Board

$7.04$8.96

69 sold
23% off
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 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

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

$0.99$1.29

146 sold
5% off
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 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

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

$5.38$5.66

102 sold
19% off
50PCS/LOT PC817C EL817C SOP4 EL817 SOP PC817 C gear Brand new original SMD optocoupler In Stock 50PCS/LOT PC817C EL817C SOP4 EL817 SOP PC817 C gear Brand new original SMD optocoupler In Stock

50PCS/LOT PC817C EL817C SOP4 EL817 SOP PC817 C gear Brand new original SMD optocoupler In Stock

$1.52$1.88

90 sold
43% off
(50piece)100% New PC817 PC817C DIP-4 817C 817 Optocoupler Original

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

$0.99$1.75

340 sold
41% off
IR Infrared Speed Sensor Module Distance Measurement Detection Optocoupler For Arduino Smart Car/Robot IR Infrared Speed Sensor Module Distance Measurement Detection Optocoupler For Arduino Smart Car/Robot

IR Infrared Speed Sensor Module Distance Measurement Detection Optocoupler For Arduino Smart Car/Robot

$0.99$1.69

82 sold
15% off
Optocoupler Tester Kit 555 Application Circuit Board Practice Welding DIY Electronic Product and Assembling Spare Parts Optocoupler Tester Kit 555 Application Circuit Board Practice Welding DIY Electronic Product and Assembling Spare Parts

Optocoupler Tester Kit 555 Application Circuit Board Practice Welding DIY Electronic Product and Assembling Spare Parts

$11.97$14.08

286 sold
Optocoupler Tester DIY Kit 555 Application Circuit Board Soldering Practice Electronic Training Assembly Loose Parts Optocoupler Tester DIY Kit 555 Application Circuit Board Soldering Practice Electronic Training Assembly Loose Parts

Optocoupler Tester DIY Kit 555 Application Circuit Board Soldering Practice Electronic Training Assembly Loose Parts

$11.73$11.73

85 sold
1-Bit AC 220V Optocoupler Isolation Module Voltage Detect Board Adaptive 3-5V For PLC Isolamento Fotoaccoppiatore Module 1-Bit AC 220V Optocoupler Isolation Module Voltage Detect Board Adaptive 3-5V For PLC Isolamento Fotoaccoppiatore Module

1-Bit AC 220V Optocoupler Isolation Module Voltage Detect Board Adaptive 3-5V For PLC Isolamento Fotoaccoppiatore Module

$8.75$8.75

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

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

$6.36$6.69

277 sold
28% off
100pcs/lot PC817C PC817 EL817 DIP-4 transistor output optocoupler best quality. 100pcs/lot PC817C PC817 EL817 DIP-4 transistor output optocoupler best quality.

100pcs/lot PC817C PC817 EL817 DIP-4 transistor output optocoupler best quality.

$1.79$2.48

75 sold
60% off
1 2 4 8 Channel Relay Module 30A With Optocoupler Isolation 5V 12V 24V Supports High And low Triger Trigger  1 2 4 8 Channel Relay Module 30A With Optocoupler Isolation 5V 12V 24V Supports High And low Triger Trigger 

1 2 4 8 Channel Relay Module 30A With Optocoupler Isolation 5V 12V 24V Supports High And low Triger Trigger 

$0.99$2.52

181 sold
43% off
20pcs New 4N38 4N37 4N36 4N35 4N33 4N32 4N27 4N28 4N25 4N26 DIP-6 IC Optocoupler In Stock Wholesale

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

$0.99$1.76

246 sold
28% off
PC817 3.3V-30V 2 Way 4 8 Channel Optocoupler Isolation Board Voltage Converter Adapter Driver Photoelectric Isolated Module PC817 3.3V-30V 2 Way 4 8 Channel Optocoupler Isolation Board Voltage Converter Adapter Driver Photoelectric Isolated Module

PC817 3.3V-30V 2 Way 4 8 Channel Optocoupler Isolation Board Voltage Converter Adapter Driver Photoelectric Isolated Module

$0.99$1.39

62 sold
60% off
1 2 4 8 Channel Relay Module 30A With Optocoupler Isolation 5V 12V 24V Supports High And low Triger Trigger  1 2 4 8 Channel Relay Module 30A With Optocoupler Isolation 5V 12V 24V Supports High And low Triger Trigger 

1 2 4 8 Channel Relay Module 30A With Optocoupler Isolation 5V 12V 24V Supports High And low Triger Trigger 

$0.99$2.53

119 sold
44% off
1-10pcs 5V 12V One 1 Channel Relay Module Board Shield with optocoupler Support High and Low Level Trigger 1-10pcs 5V 12V One 1 Channel Relay Module Board Shield with optocoupler Support High and Low Level Trigger

1-10pcs 5V 12V One 1 Channel Relay Module Board Shield with optocoupler Support High and Low Level Trigger

$0.99$1.77

106 sold
71% off
50PCS PC817 PC817B EL817 DIP4 DIP Optocoupler Optical Coupling Original Transistor DC Input 80V 50mA IC Chip Optoisolator 50PCS PC817 PC817B EL817 DIP4 DIP Optocoupler Optical Coupling Original Transistor DC Input 80V 50mA IC Chip Optoisolator

50PCS PC817 PC817B EL817 DIP4 DIP Optocoupler Optical Coupling Original Transistor DC Input 80V 50mA IC Chip Optoisolator

$0.99$3.48

59 sold
38% off
1-Bit AC 220V Optocoupler Isolation Module Voltage Sensing Board Adaptive 3-5V for PLC Isolamento Fotoaccoppiatore With Rail Die 1-Bit AC 220V Optocoupler Isolation Module Voltage Sensing Board Adaptive 3-5V for PLC Isolamento Fotoaccoppiatore With Rail Die

1-Bit AC 220V Optocoupler Isolation Module Voltage Sensing Board Adaptive 3-5V for PLC Isolamento Fotoaccoppiatore With Rail Die

$1.08$1.74

61 sold
Optocoupler Tester Kit 555 Application Circuit Board Welding Practice DIY Electronic Manufacturing Practice Assembly Loose Parts Optocoupler Tester Kit 555 Application Circuit Board Welding Practice DIY Electronic Manufacturing Practice Assembly Loose Parts

Optocoupler Tester Kit 555 Application Circuit Board Welding Practice DIY Electronic Manufacturing Practice Assembly Loose Parts

$11.61$11.61

100 sold
53% off
10PCS/LOT 6N137 DIP-8 EL6N137 6N137M Photoelectric Coupler Optocoupler 10PCS/LOT 6N137 DIP-8 EL6N137 6N137M Photoelectric Coupler Optocoupler

10PCS/LOT 6N137 DIP-8 EL6N137 6N137M Photoelectric Coupler Optocoupler

$0.99$2.11

71 sold
60% off
1PCS Relay Module Optocoupler Relay 5V 12V 24V Relay Output 1 2 4 6 8 Channel Trigger Board Shield Compatible with Arduino 1PCS Relay Module Optocoupler Relay 5V 12V 24V Relay Output 1 2 4 6 8 Channel Trigger Board Shield Compatible with Arduino

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

$0.99$2.51

268 sold
42% off
WAVGAT 1 2 6 4 8 Channel 5V 12V 24V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino WAVGAT 1 2 6 4 8 Channel 5V 12V 24V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino

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

$0.99$1.73

146 sold
38% off
Electronic switch control board, pulse triggered switch module, DC controlled MOSFET optocoupler Electronic switch control board, pulse triggered switch module, DC controlled MOSFET optocoupler

Electronic switch control board, pulse triggered switch module, DC controlled MOSFET optocoupler

$7.02$11.43

72 sold
71% off
100pcs/lot SMD optocoupler EL817C (PC817) EL817S-C SOP-4 In Stock

100pcs/lot SMD optocoupler EL817C (PC817) EL817S-C SOP-4 In Stock

$0.99$3.49

73 sold
45% off
50PCS PC817 PC817C In-line 4-pin Optocoupler Optoisolator DIP-4

50PCS PC817 PC817C In-line 4-pin Optocoupler Optoisolator DIP-4

$7.02$12.93

62 sold
40% off
10PCS MOC3020 MOC3021 MOC3022 MOC3023 MOC3041 MOC3042 MOC3043 MOC3061 MOC3062 MOC3063 MOC3081 MOC3082 MOC3083 DIP6 Optocoupler 10PCS MOC3020 MOC3021 MOC3022 MOC3023 MOC3041 MOC3042 MOC3043 MOC3061 MOC3062 MOC3063 MOC3081 MOC3082 MOC3083 DIP6 Optocoupler

10PCS MOC3020 MOC3021 MOC3022 MOC3023 MOC3041 MOC3042 MOC3043 MOC3061 MOC3062 MOC3063 MOC3081 MOC3082 MOC3083 DIP6 Optocoupler

$0.99$1.67

215 sold
38% off
XL9535 1 2 4 8 16 Way Channel Expansion Relay Module 5V Power Supply Optocoupler Isolation Board IIC I2C Communication XL9535 1 2 4 8 16 Way Channel Expansion Relay Module 5V Power Supply Optocoupler Isolation Board IIC I2C Communication

XL9535 1 2 4 8 16 Way Channel Expansion Relay Module 5V Power Supply Optocoupler Isolation Board IIC I2C Communication

$0.73$1.17

174 sold
40% off
1/3/8 channel AC 220V MCU TTL Level 8 Ch Optocoupler Isolation Test Board Isolated Detection Tester PLC Processors Module  1/3/8 channel AC 220V MCU TTL Level 8 Ch Optocoupler Isolation Test Board Isolated Detection Tester PLC Processors Module 

1/3/8 channel AC 220V MCU TTL Level 8 Ch Optocoupler Isolation Test Board Isolated Detection Tester PLC Processors Module 

$0.99$1.66

185 sold
72% off
50PCS PC817 PC817C 817 817C EL817 5v Optocoupler FL817C PS817C DIP4 DIP Opto Coupler New and Original Optical Isolation IC Chip 50PCS PC817 PC817C 817 817C EL817 5v Optocoupler FL817C PS817C DIP4 DIP Opto Coupler New and Original Optical Isolation IC Chip

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

$0.99$3.65

295 sold
58% 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

$0.99$2.40

112 sold
61% off
1 2 4 8 Channel Relay Module 30A With Optocoupler Isolation 5V 12V 24V Supports High And low Triger Trigger  1 2 4 8 Channel Relay Module 30A With Optocoupler Isolation 5V 12V 24V Supports High And low Triger Trigger 

1 2 4 8 Channel Relay Module 30A With Optocoupler Isolation 5V 12V 24V Supports High And low Triger Trigger 

$0.99$2.54

54 sold
29% off
5V/12V/24V 16 Channel Relay Module for arduino ARM PIC AVR DSP Electronic Relay Plate Belt optocoupler isolation 5V/12V/24V 16 Channel Relay Module for arduino ARM PIC AVR DSP Electronic Relay Plate Belt optocoupler isolation

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

$49.09$69.73

154 sold
35% off
1/2/4/8 5V12V24V Relay Module With Optocoupler Isolation Support For High And Low Level Trigger Expansion Board 1/2/4/8 5V12V24V Relay Module With Optocoupler Isolation Support For High And Low Level Trigger Expansion Board

1/2/4/8 5V12V24V Relay Module With Optocoupler Isolation Support For High And Low Level Trigger Expansion Board

$24.56$38.08

175 sold
48% off
Relay Module 1 2 4 6 8 Channel 5V 12V 24V Relay Module Board with Optocoupler Support High and Low Level Trigger for Arduino Relay Module 1 2 4 6 8 Channel 5V 12V 24V Relay Module Board with Optocoupler Support High and Low Level Trigger for Arduino

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

$7.04 $13.80

319 sold

Categories: Electronic Components & Supplies, Active Components

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30% off
1 Channel Relay Module Board 5V 12V 24V Shield With Optocoupler 12V Relay Module Support High and Low Level Trigger for Arduino 1 Channel Relay Module Board 5V 12V 24V Shield With Optocoupler 12V Relay Module Support High and Low Level Trigger for Arduino

1 Channel Relay Module Board 5V 12V 24V Shield With Optocoupler 12V Relay Module Support High and Low Level Trigger for Arduino

$7.48 $10.68

92 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
ONE 1 channel relay module 30A with optocoupler isolation 5V 12V 24V supports high and low Triger trigger ONE 1 channel relay module 30A with optocoupler isolation 5V 12V 24V supports high and low Triger trigger

ONE 1 channel relay module 30A with optocoupler isolation 5V 12V 24V supports high and low Triger trigger

$7.11 $7.11

219 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
21% off
1 Channel Way Optocoupler Isolation Module PC817 EL817 3V-5V 12V 24V Photoelectric Isolator Rail Holder PLC Drive Motor Board 1 Channel Way Optocoupler Isolation Module PC817 EL817 3V-5V 12V 24V Photoelectric Isolator Rail Holder PLC Drive Motor Board

1 Channel Way Optocoupler Isolation Module PC817 EL817 3V-5V 12V 24V Photoelectric Isolator Rail Holder PLC Drive Motor Board

$7.04 $8.96

69 sold

Categories: Electronic Components & Supplies, Active Components

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23% off
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 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

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

$0.99 $1.29

146 sold

Categories: Electronic Components & Supplies, Active Components

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5% off
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 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

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

$5.38 $5.66

102 sold

Categories: Electronic Components & Supplies, Active Components

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19% off
50PCS/LOT PC817C EL817C SOP4 EL817 SOP PC817 C gear Brand new original SMD optocoupler In Stock 50PCS/LOT PC817C EL817C SOP4 EL817 SOP PC817 C gear Brand new original SMD optocoupler In Stock

50PCS/LOT PC817C EL817C SOP4 EL817 SOP PC817 C gear Brand new original SMD optocoupler In Stock

$1.52 $1.88

90 sold

Categories: Electronic Components & Supplies, Active Components

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43% off
(50piece)100% New PC817 PC817C DIP-4 817C 817 Optocoupler Original

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

$0.99 $1.75

340 sold

Categories: Electronic Components & Supplies, Active Components

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41% off
IR Infrared Speed Sensor Module Distance Measurement Detection Optocoupler For Arduino Smart Car/Robot IR Infrared Speed Sensor Module Distance Measurement Detection Optocoupler For Arduino Smart Car/Robot

IR Infrared Speed Sensor Module Distance Measurement Detection Optocoupler For Arduino Smart Car/Robot

$0.99 $1.69

82 sold

Categories: Electronic Components & Supplies, Active Components

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15% off
Optocoupler Tester Kit 555 Application Circuit Board Practice Welding DIY Electronic Product and Assembling Spare Parts Optocoupler Tester Kit 555 Application Circuit Board Practice Welding DIY Electronic Product and Assembling Spare Parts

Optocoupler Tester Kit 555 Application Circuit Board Practice Welding DIY Electronic Product and Assembling Spare Parts

$11.97 $14.08

286 sold

Categories: Electronic Components & Supplies, Active Components

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Optocoupler Tester DIY Kit 555 Application Circuit Board Soldering Practice Electronic Training Assembly Loose Parts Optocoupler Tester DIY Kit 555 Application Circuit Board Soldering Practice Electronic Training Assembly Loose Parts

Optocoupler Tester DIY Kit 555 Application Circuit Board Soldering Practice Electronic Training Assembly Loose Parts

$11.73 $11.73

85 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
1-Bit AC 220V Optocoupler Isolation Module Voltage Detect Board Adaptive 3-5V For PLC Isolamento Fotoaccoppiatore Module 1-Bit AC 220V Optocoupler Isolation Module Voltage Detect Board Adaptive 3-5V For PLC Isolamento Fotoaccoppiatore Module

1-Bit AC 220V Optocoupler Isolation Module Voltage Detect Board Adaptive 3-5V For PLC Isolamento Fotoaccoppiatore Module

$8.75 $8.75

98 sold

Categories: Electronic Components & Supplies, Active Components

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

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

$6.36 $6.69

277 sold

Categories: Electronic Components & Supplies, Active Components

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28% off
100pcs/lot PC817C PC817 EL817 DIP-4 transistor output optocoupler best quality. 100pcs/lot PC817C PC817 EL817 DIP-4 transistor output optocoupler best quality.

100pcs/lot PC817C PC817 EL817 DIP-4 transistor output optocoupler best quality.

$1.79 $2.48

75 sold

Categories: Electronic Components & Supplies, Active Components

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60% off
1 2 4 8 Channel Relay Module 30A With Optocoupler Isolation 5V 12V 24V Supports High And low Triger Trigger  1 2 4 8 Channel Relay Module 30A With Optocoupler Isolation 5V 12V 24V Supports High And low Triger Trigger 

1 2 4 8 Channel Relay Module 30A With Optocoupler Isolation 5V 12V 24V Supports High And low Triger Trigger 

$0.99 $2.52

181 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
43% off
20pcs New 4N38 4N37 4N36 4N35 4N33 4N32 4N27 4N28 4N25 4N26 DIP-6 IC Optocoupler In Stock Wholesale

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

$0.99 $1.76

246 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
28% off
PC817 3.3V-30V 2 Way 4 8 Channel Optocoupler Isolation Board Voltage Converter Adapter Driver Photoelectric Isolated Module PC817 3.3V-30V 2 Way 4 8 Channel Optocoupler Isolation Board Voltage Converter Adapter Driver Photoelectric Isolated Module

PC817 3.3V-30V 2 Way 4 8 Channel Optocoupler Isolation Board Voltage Converter Adapter Driver Photoelectric Isolated Module

$0.99 $1.39

62 sold

Categories: Electronic Components & Supplies, Active Components

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60% off
1 2 4 8 Channel Relay Module 30A With Optocoupler Isolation 5V 12V 24V Supports High And low Triger Trigger  1 2 4 8 Channel Relay Module 30A With Optocoupler Isolation 5V 12V 24V Supports High And low Triger Trigger 

1 2 4 8 Channel Relay Module 30A With Optocoupler Isolation 5V 12V 24V Supports High And low Triger Trigger 

$0.99 $2.53

119 sold

Categories: Electronic Components & Supplies, Active Components

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44% off
1-10pcs 5V 12V One 1 Channel Relay Module Board Shield with optocoupler Support High and Low Level Trigger 1-10pcs 5V 12V One 1 Channel Relay Module Board Shield with optocoupler Support High and Low Level Trigger

1-10pcs 5V 12V One 1 Channel Relay Module Board Shield with optocoupler Support High and Low Level Trigger

$0.99 $1.77

106 sold

Categories: Electronic Components & Supplies, Active Components

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71% off
50PCS PC817 PC817B EL817 DIP4 DIP Optocoupler Optical Coupling Original Transistor DC Input 80V 50mA IC Chip Optoisolator 50PCS PC817 PC817B EL817 DIP4 DIP Optocoupler Optical Coupling Original Transistor DC Input 80V 50mA IC Chip Optoisolator

50PCS PC817 PC817B EL817 DIP4 DIP Optocoupler Optical Coupling Original Transistor DC Input 80V 50mA IC Chip Optoisolator

$0.99 $3.48

59 sold

Categories: Electronic Components & Supplies, Active Components

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38% off
1-Bit AC 220V Optocoupler Isolation Module Voltage Sensing Board Adaptive 3-5V for PLC Isolamento Fotoaccoppiatore With Rail Die 1-Bit AC 220V Optocoupler Isolation Module Voltage Sensing Board Adaptive 3-5V for PLC Isolamento Fotoaccoppiatore With Rail Die

1-Bit AC 220V Optocoupler Isolation Module Voltage Sensing Board Adaptive 3-5V for PLC Isolamento Fotoaccoppiatore With Rail Die

$1.08 $1.74

61 sold

Categories: Electronic Components & Supplies, Active Components

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Optocoupler Tester Kit 555 Application Circuit Board Welding Practice DIY Electronic Manufacturing Practice Assembly Loose Parts Optocoupler Tester Kit 555 Application Circuit Board Welding Practice DIY Electronic Manufacturing Practice Assembly Loose Parts

Optocoupler Tester Kit 555 Application Circuit Board Welding Practice DIY Electronic Manufacturing Practice Assembly Loose Parts

$11.61 $11.61

100 sold

Categories: Electronic Components & Supplies, Active Components

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53% off
10PCS/LOT 6N137 DIP-8 EL6N137 6N137M Photoelectric Coupler Optocoupler 10PCS/LOT 6N137 DIP-8 EL6N137 6N137M Photoelectric Coupler Optocoupler

10PCS/LOT 6N137 DIP-8 EL6N137 6N137M Photoelectric Coupler Optocoupler

$0.99 $2.11

71 sold

Categories: Electronic Components & Supplies, Active Components

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60% off
1PCS Relay Module Optocoupler Relay 5V 12V 24V Relay Output 1 2 4 6 8 Channel Trigger Board Shield Compatible with Arduino 1PCS Relay Module Optocoupler Relay 5V 12V 24V Relay Output 1 2 4 6 8 Channel Trigger Board Shield Compatible with Arduino

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

$0.99 $2.51

268 sold

Categories: Electronic Components & Supplies, Active Components

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42% off
WAVGAT 1 2 6 4 8 Channel 5V 12V 24V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino WAVGAT 1 2 6 4 8 Channel 5V 12V 24V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino

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

$0.99 $1.73

146 sold

Categories: Electronic Components & Supplies, Active Components

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38% off
Electronic switch control board, pulse triggered switch module, DC controlled MOSFET optocoupler Electronic switch control board, pulse triggered switch module, DC controlled MOSFET optocoupler

Electronic switch control board, pulse triggered switch module, DC controlled MOSFET optocoupler

$7.02 $11.43

72 sold

Categories: Electronic Components & Supplies, Active Components

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71% off
100pcs/lot SMD optocoupler EL817C (PC817) EL817S-C SOP-4 In Stock

100pcs/lot SMD optocoupler EL817C (PC817) EL817S-C SOP-4 In Stock

$0.99 $3.49

73 sold

Categories: Electronic Components & Supplies, Active Components

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45% off
50PCS PC817 PC817C In-line 4-pin Optocoupler Optoisolator DIP-4

50PCS PC817 PC817C In-line 4-pin Optocoupler Optoisolator DIP-4

$7.02 $12.93

62 sold

Categories: Electronic Components & Supplies, Active Components

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40% off
10PCS MOC3020 MOC3021 MOC3022 MOC3023 MOC3041 MOC3042 MOC3043 MOC3061 MOC3062 MOC3063 MOC3081 MOC3082 MOC3083 DIP6 Optocoupler 10PCS MOC3020 MOC3021 MOC3022 MOC3023 MOC3041 MOC3042 MOC3043 MOC3061 MOC3062 MOC3063 MOC3081 MOC3082 MOC3083 DIP6 Optocoupler

10PCS MOC3020 MOC3021 MOC3022 MOC3023 MOC3041 MOC3042 MOC3043 MOC3061 MOC3062 MOC3063 MOC3081 MOC3082 MOC3083 DIP6 Optocoupler

$0.99 $1.67

215 sold

Categories: Electronic Components & Supplies, Active Components

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38% off
XL9535 1 2 4 8 16 Way Channel Expansion Relay Module 5V Power Supply Optocoupler Isolation Board IIC I2C Communication XL9535 1 2 4 8 16 Way Channel Expansion Relay Module 5V Power Supply Optocoupler Isolation Board IIC I2C Communication

XL9535 1 2 4 8 16 Way Channel Expansion Relay Module 5V Power Supply Optocoupler Isolation Board IIC I2C Communication

$0.73 $1.17

174 sold

Categories: Electronic Components & Supplies, Active Components

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