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Optocoupler

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59% off
5V 1 2 4 6 8 Channel Relay Module With Optocoupler KY-019 1/2/4/6/8 Way For Arduino 5V 1 2 4 6 8 Channel Relay Module With Optocoupler KY-019 1/2/4/6/8 Way For Arduino

5V 1 2 4 6 8 Channel Relay Module With Optocoupler KY-019 1/2/4/6/8 Way For Arduino

$18.22$44.44

1167 sold
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

$13.79$13.79

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

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

$20.33$20.33

103 sold
58% off
1-10PCS 1 Channel Way Optocoupler Isolation Module PC817 3V-5V 12V 24V Photoelectric Isolator Rail Holder PLC Drive Motor Board 1-10PCS 1 Channel Way Optocoupler Isolation Module PC817 3V-5V 12V 24V Photoelectric Isolator Rail Holder PLC Drive Motor Board

1-10PCS 1 Channel Way Optocoupler Isolation Module PC817 3V-5V 12V 24V Photoelectric Isolator Rail Holder PLC Drive Motor Board

$17.10$40.72

568 sold
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

$9.19$9.19

219 sold
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

$1.29$1.29

98 sold
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

$8.23$8.23

121 sold
2 Channel 5V 12V 10A Relay Module with Optocoupler 2 Channel 5V 12V 10A Relay Module with Optocoupler

2 Channel 5V 12V 10A Relay Module with Optocoupler

$11.41$11.41

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

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

$1.75$1.75

260 sold
56% off
High/Low Level Trigger Relay Module 1/2/4/8 Channel 5V12V24V Home Intelligent Control Module With Optocoupler Isolation Output High/Low Level Trigger Relay Module 1/2/4/8 Channel 5V12V24V Home Intelligent Control Module With Optocoupler Isolation Output

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

$18.22$41.42

4433 sold
58% 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

$18.93$45.06

475 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

200 sold
52% off
DC 5V 12V 24V 1 2 4 6 8 Channel Relay Module Board Shield with Optocoupler / High and Low Level Trigger for Arduino Raspberry DC 5V 12V 24V 1 2 4 6 8 Channel Relay Module Board Shield with Optocoupler / High and Low Level Trigger for Arduino Raspberry

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

$22.17$46.18

2136 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

$7.82$8.23

127 sold
16 channel relay module with optocoupler protection LM2596 power control board module 5V or 12V for arduion raspberry 16 channel relay module with optocoupler protection LM2596 power control board module 5V or 12V for arduion raspberry

16 channel relay module with optocoupler protection LM2596 power control board module 5V or 12V for arduion raspberry

$69.50$69.50

80 sold
51% 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

$21.24$43.34

1252 sold
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 

$2.52$2.52

150 sold
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

$1.76$1.76

233 sold
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

$1.39$1.39

80 sold
52% 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

$18.02$37.54

2935 sold
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

$1.77$1.77

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

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

$1.21$1.21

569 sold
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

$2.51$2.51

195 sold
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

$1.73$1.73

190 sold
15% off
1-Bit AC 220V Optocoupler Isolation Module Voltage Detect Board Adaptive 3-5V For PLC PC817 Isolamento Fotoaccoppiatore Module 1-Bit AC 220V Optocoupler Isolation Module Voltage Detect Board Adaptive 3-5V For PLC PC817 Isolamento Fotoaccoppiatore Module

1-Bit AC 220V Optocoupler Isolation Module Voltage Detect Board Adaptive 3-5V For PLC PC817 Isolamento Fotoaccoppiatore Module

$1.01$1.19

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

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

$12.90$12.90

131 sold
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

$1.67$1.67

276 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

241 sold
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 

$1.66$1.66

114 sold
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

$3.65$3.65

315 sold
25% off
1 2 4 8 16 Channel Way Expansion Relay Module 5V Power Supply IIC I2C Communication Optocoupler Isolation Board XL9535-K1V5 1 2 4 8 16 Channel Way Expansion Relay Module 5V Power Supply IIC I2C Communication Optocoupler Isolation Board XL9535-K1V5

1 2 4 8 16 Channel Way Expansion Relay Module 5V Power Supply IIC I2C Communication Optocoupler Isolation Board XL9535-K1V5

$0.26$0.35

153 sold
3% 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

$2.74$2.83

96 sold
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

$8.23$8.23

149 sold
5% 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

$66.15$69.73

102 sold
10% off
10Pcs MOC3010 MOC3020 MOC3021 MOC3023 MOC3041 MOC3043 MOC3052 MOC3061 MOC3063 MOC3083 MOC3062 MOC3022 MOC3031 MOC3042 MOC3011

10Pcs MOC3010 MOC3020 MOC3021 MOC3023 MOC3041 MOC3043 MOC3052 MOC3061 MOC3063 MOC3083 MOC3062 MOC3022 MOC3031 MOC3042 MOC3011

$9.26$10.29

140 sold
1 3 8 Bit AC 220V Optocoupler Isolation Module Voltage Detect Board Adaptive 3-5V For PLC Isolamento Fotoaccoppiatore Module 1 3 8 Bit AC 220V Optocoupler Isolation Module Voltage Detect Board Adaptive 3-5V For PLC Isolamento Fotoaccoppiatore Module

1 3 8 Bit AC 220V Optocoupler Isolation Module Voltage Detect Board Adaptive 3-5V For PLC Isolamento Fotoaccoppiatore Module

$13.65$13.65

103 sold
59% off
5V 1 2 4 6 8 Channel Relay Module With Optocoupler KY-019 1/2/4/6/8 Way For Arduino 5V 1 2 4 6 8 Channel Relay Module With Optocoupler KY-019 1/2/4/6/8 Way For Arduino

5V 1 2 4 6 8 Channel Relay Module With Optocoupler KY-019 1/2/4/6/8 Way For Arduino

$18.22 $44.44

1167 sold

Categories: Electronic Components & Supplies, Active Components

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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

$13.79 $13.79

251 sold

Categories: Electronic Components & Supplies, Active Components

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

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

$20.33 $20.33

103 sold

Categories: Electronic Components & Supplies, Active Components

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58% off
1-10PCS 1 Channel Way Optocoupler Isolation Module PC817 3V-5V 12V 24V Photoelectric Isolator Rail Holder PLC Drive Motor Board 1-10PCS 1 Channel Way Optocoupler Isolation Module PC817 3V-5V 12V 24V Photoelectric Isolator Rail Holder PLC Drive Motor Board

1-10PCS 1 Channel Way Optocoupler Isolation Module PC817 3V-5V 12V 24V Photoelectric Isolator Rail Holder PLC Drive Motor Board

$17.10 $40.72

568 sold

Categories: Electronic Components & Supplies, Active Components

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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

$9.19 $9.19

219 sold

Categories: Electronic Components & Supplies, Active Components

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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

$1.29 $1.29

98 sold

Categories: Electronic Components & Supplies, Active Components

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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

$8.23 $8.23

121 sold

Categories: Electronic Components & Supplies, Active Components

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2 Channel 5V 12V 10A Relay Module with Optocoupler 2 Channel 5V 12V 10A Relay Module with Optocoupler

2 Channel 5V 12V 10A Relay Module with Optocoupler

$11.41 $11.41

84 sold

Categories: Electronic Components & Supplies, Active Components

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

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

$1.75 $1.75

260 sold

Categories: Electronic Components & Supplies, Active Components

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56% off
High/Low Level Trigger Relay Module 1/2/4/8 Channel 5V12V24V Home Intelligent Control Module With Optocoupler Isolation Output High/Low Level Trigger Relay Module 1/2/4/8 Channel 5V12V24V Home Intelligent Control Module With Optocoupler Isolation Output

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

$18.22 $41.42

4433 sold

Categories: Electronic Components & Supplies, Active Components

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58% 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

$18.93 $45.06

475 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

200 sold

Categories: Electronic Components & Supplies, Active Components

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52% off
DC 5V 12V 24V 1 2 4 6 8 Channel Relay Module Board Shield with Optocoupler / High and Low Level Trigger for Arduino Raspberry DC 5V 12V 24V 1 2 4 6 8 Channel Relay Module Board Shield with Optocoupler / High and Low Level Trigger for Arduino Raspberry

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

$22.17 $46.18

2136 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

$7.82 $8.23

127 sold

Categories: Electronic Components & Supplies, Active Components

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16 channel relay module with optocoupler protection LM2596 power control board module 5V or 12V for arduion raspberry 16 channel relay module with optocoupler protection LM2596 power control board module 5V or 12V for arduion raspberry

16 channel relay module with optocoupler protection LM2596 power control board module 5V or 12V for arduion raspberry

$69.50 $69.50

80 sold

Categories: Electronic Components & Supplies, Active Components

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51% 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

$21.24 $43.34

1252 sold

Categories: Electronic Components & Supplies, Active Components

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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 

$2.52 $2.52

150 sold

Categories: Electronic Components & Supplies, Active Components

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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

$1.76 $1.76

233 sold

Categories: Electronic Components & Supplies, Active Components

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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

$1.39 $1.39

80 sold

Categories: Electronic Components & Supplies, Active Components

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52% 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

$18.02 $37.54

2935 sold

Categories: Electronic Components & Supplies, Active Components

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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

$1.77 $1.77

319 sold

Categories: Electronic Components & Supplies, Active Components

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

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

$1.21 $1.21

569 sold

Categories: Electronic Components & Supplies, Active Components

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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

$2.51 $2.51

195 sold

Categories: Electronic Components & Supplies, Active Components

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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

$1.73 $1.73

190 sold

Categories: Electronic Components & Supplies, Active Components

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15% off
1-Bit AC 220V Optocoupler Isolation Module Voltage Detect Board Adaptive 3-5V For PLC PC817 Isolamento Fotoaccoppiatore Module 1-Bit AC 220V Optocoupler Isolation Module Voltage Detect Board Adaptive 3-5V For PLC PC817 Isolamento Fotoaccoppiatore Module

1-Bit AC 220V Optocoupler Isolation Module Voltage Detect Board Adaptive 3-5V For PLC PC817 Isolamento Fotoaccoppiatore Module

$1.01 $1.19

99 sold

Categories: Electronic Components & Supplies, Active Components

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

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

$12.90 $12.90

131 sold

Categories: Electronic Components & Supplies, Active Components

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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

$1.67 $1.67

276 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

241 sold

Categories: Electronic Components & Supplies, Active Components

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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 

$1.66 $1.66

114 sold

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