• VKDN ( Virtual Kingdom Delivery Network ) -> Vast Kingdoms, Diverse Nations: Unlocking Global Commerce

opto isolator

Filter by price

Sort By

Product tags

Showing 1–36 of results

48% off
5V/12V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger 5V/12V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger

5V/12V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger

$0.46$0.88

14 sold
69% 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

$16.90$54.51

2904 sold
Four Channel MOSFET/FET Module Amplifier Circuit Board/Driver Module, 4-Channel Optocoupler Isolated DC 10A Four Channel MOSFET/FET Module Amplifier Circuit Board/Driver Module, 4-Channel Optocoupler Isolated DC 10A

Four Channel MOSFET/FET Module Amplifier Circuit Board/Driver Module, 4-Channel Optocoupler Isolated DC 10A

$14.80$14.80

2 sold
35% off
8 Channel Optocoupler Isolation Module Signal Voltage Converter PNP NPN Low High Level Output AC 110V 220V DC 3.3V 5V 12V 24V 8 Channel Optocoupler Isolation Module Signal Voltage Converter PNP NPN Low High Level Output AC 110V 220V DC 3.3V 5V 12V 24V

8 Channel Optocoupler Isolation Module Signal Voltage Converter PNP NPN Low High Level Output AC 110V 220V DC 3.3V 5V 12V 24V

$3.44$5.30

15 sold
2% 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

$7.99$8.23

166 sold
4% off
1~10PCS TLP281 4-Channel Opto-isolator IC Module For Arduino Expansion Board High And Low Level Optocoupler Isolation 4 Channel 1~10PCS TLP281 4-Channel Opto-isolator IC Module For Arduino Expansion Board High And Low Level Optocoupler Isolation 4 Channel

1~10PCS TLP281 4-Channel Opto-isolator IC Module For Arduino Expansion Board High And Low Level Optocoupler Isolation 4 Channel

$1.40$1.46

50 sold
30% off
‌5V 16-Channel Relay Module with Optocoupler Isolation – 10A 250V AC/30V DC High Load for Arduino ‌5V 16-Channel Relay Module with Optocoupler Isolation – 10A 250V AC/30V DC High Load for Arduino

‌5V 16-Channel Relay Module with Optocoupler Isolation – 10A 250V AC/30V DC High Load for Arduino

$6.47$9.25

10PCS 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger Compatible with Arduino Raspberry pi 10PCS 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger Compatible with Arduino Raspberry pi

10PCS 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger Compatible with Arduino Raspberry pi

$2.50$2.50

1 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

$0.43$0.43

102 sold
9% off
PC817 1 2 4 8 Channel Optocoupler Isolation Board Voltage Converter Adapter Module 3.6-30V Driver Photoelectric Isolated Module PC817 1 2 4 8 Channel Optocoupler Isolation Board Voltage Converter Adapter Module 3.6-30V Driver Photoelectric Isolated Module

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

$1.10$1.21

352 sold
22% off
220V 8-Channel Optocoupler Isolation Module/220V Detection Module/AC Detection Module/Card Guide Enhanced Version 220V 8-Channel Optocoupler Isolation Module/220V Detection Module/AC Detection Module/Card Guide Enhanced Version

220V 8-Channel Optocoupler Isolation Module/220V Detection Module/AC Detection Module/Card Guide Enhanced Version

$12.47$15.99

15 sold
19% off
TZT 1/5PCS B0505S-1W 5V to 5V converter DC DC power module converter 1000VDC Isolation TZT 1/5PCS B0505S-1W 5V to 5V converter DC DC power module converter 1000VDC Isolation

TZT 1/5PCS B0505S-1W 5V to 5V converter DC DC power module converter 1000VDC Isolation

$0.48$0.59

465 sold
Four Way Optocoupler Isolation PLC Level Voltage Conversion Board 1.8 3.3 5 12 24V DST-1R4P-N Four Way Optocoupler Isolation PLC Level Voltage Conversion Board 1.8 3.3 5 12 24V DST-1R4P-N

Four Way Optocoupler Isolation PLC Level Voltage Conversion Board 1.8 3.3 5 12 24V DST-1R4P-N

$2.80$2.80

18 sold
24% off
diymore Isolated Industrial USB Converter USB to RS485 Converter Adapter with CH340E Chip TVS Protection for Win XP/2000/7/8/10 diymore Isolated Industrial USB Converter USB to RS485 Converter Adapter with CH340E Chip TVS Protection for Win XP/2000/7/8/10

diymore Isolated Industrial USB Converter USB to RS485 Converter Adapter with CH340E Chip TVS Protection for Win XP/2000/7/8/10

$3.21$4.23

23 sold
6% off
Industrial Grade UART TTL to RS485 Isolated communication Surge Protection for Arduiuo MEGA 4 NODEMCU ESP8266 Industrial Grade UART TTL to RS485 Isolated communication Surge Protection for Arduiuo MEGA 4 NODEMCU ESP8266

Industrial Grade UART TTL to RS485 Isolated communication Surge Protection for Arduiuo MEGA 4 NODEMCU ESP8266

$2.24$2.40

21 sold
6% off
4ch 3.3V 5V 12V 24V Digital Logic Level Conversion Module PNP/NPN to NPN Optical Isolation Board for Arduiuo NANO STM32 AVR 4ch 3.3V 5V 12V 24V Digital Logic Level Conversion Module PNP/NPN to NPN Optical Isolation Board for Arduiuo NANO STM32 AVR

4ch 3.3V 5V 12V 24V Digital Logic Level Conversion Module PNP/NPN to NPN Optical Isolation Board for Arduiuo NANO STM32 AVR

$1.78$1.91

407 sold
71% off
10PCS 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger for Arduino Raspberry pi ARM AVR 10PCS 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger for Arduino Raspberry pi ARM AVR

10PCS 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger for Arduino Raspberry pi ARM AVR

$52.21$180.03

63 sold
45% off
8-Channel Optocoupler Isolation Board/16 Road 24 Road 32 Road Optocoupler Isolation Module/3/5V/12V/24V Signal Isolation 8-Channel Optocoupler Isolation Board/16 Road 24 Road 32 Road Optocoupler Isolation Module/3/5V/12V/24V Signal Isolation

8-Channel Optocoupler Isolation Board/16 Road 24 Road 32 Road Optocoupler Isolation Module/3/5V/12V/24V Signal Isolation

$7.19$13.08

13 sold
6% off
diymore DST-1R8P-N 8 Channel Optocoupler 24V to 5V Isolation Module PLC Signal Level Voltage Conversion Board for Arduino diymore DST-1R8P-N 8 Channel Optocoupler 24V to 5V Isolation Module PLC Signal Level Voltage Conversion Board for Arduino

diymore DST-1R8P-N 8 Channel Optocoupler 24V to 5V Isolation Module PLC Signal Level Voltage Conversion Board for Arduino

$6.44$6.87

35 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

$10.09$10.09

131 sold
4% off
4 Channel Optocoupler Isolation Board Voltage Converter 24V to 3.3V/5V to 24V/12V to 24V Isolated Module PLC Signal Level Board 4 Channel Optocoupler Isolation Board Voltage Converter 24V to 3.3V/5V to 24V/12V to 24V Isolated Module PLC Signal Level Board

4 Channel Optocoupler Isolation Board Voltage Converter 24V to 3.3V/5V to 24V/12V to 24V Isolated Module PLC Signal Level Board

$3.59$3.74

63 sold
4% off
817 Optocoupler 2/4/8 way voltage isolation board Voltage control adapter module Driver Optical isolation module 817 Optocoupler 2/4/8 way voltage isolation board Voltage control adapter module Driver Optical isolation module

817 Optocoupler 2/4/8 way voltage isolation board Voltage control adapter module Driver Optical isolation module

$10.24$10.68

30 sold
XH-M372 Stereo /Audio Isolator Vehicle Common Ground Suppression Interference Noise Isolation Module Transformer Coupler XH-M372 Stereo /Audio Isolator Vehicle Common Ground Suppression Interference Noise Isolation Module Transformer Coupler

XH-M372 Stereo /Audio Isolator Vehicle Common Ground Suppression Interference Noise Isolation Module Transformer Coupler

$9.51$9.51

30 sold
67% off
12V 1-channel relay module, using bidirectional optocoupler isolation, with strong driving capability and stable performance 12V 1-channel relay module, using bidirectional optocoupler isolation, with strong driving capability and stable performance

12V 1-channel relay module, using bidirectional optocoupler isolation, with strong driving capability and stable performance

$21.93$66.45

6 sold
13% off
XH-M372 Stereo /Audio Isolator Vehicle Common Ground Suppression Interference Noise Isolation Module Transformer Coupler XH-M372 Stereo /Audio Isolator Vehicle Common Ground Suppression Interference Noise Isolation Module Transformer Coupler

XH-M372 Stereo /Audio Isolator Vehicle Common Ground Suppression Interference Noise Isolation Module Transformer Coupler

$8.77$10.08

8 sold
71% off
PC817 2 4 Channel Optocoupler Isolation Board Voltage Converter Adapter 3.3V to 5V Module 3.6-30V Driver Photoelectric Isolated PC817 2 4 Channel Optocoupler Isolation Board Voltage Converter Adapter 3.3V to 5V Module 3.6-30V Driver Photoelectric Isolated

PC817 2 4 Channel Optocoupler Isolation Board Voltage Converter Adapter 3.3V to 5V Module 3.6-30V Driver Photoelectric Isolated

$18.17$62.66

52 sold
8 Ch Channel AC 220V 3V 5V 8 Channel Optocoupler Isolation Test Board Isolated Detection Tester PLC Processors Module 8 Ch Channel AC 220V 3V 5V 8 Channel Optocoupler Isolation Test Board Isolated Detection Tester PLC Processors Module

8 Ch Channel AC 220V 3V 5V 8 Channel Optocoupler Isolation Test Board Isolated Detection Tester PLC Processors Module

$5.03$5.03

20 sold
4% off
1~20PCS 1 Channel Way Optocoupler Isolation Module PC817 3V-5V 12V 24V Photoelectric Isolator Rail Holder PLC Drive Motor Board 1~20PCS 1 Channel Way Optocoupler Isolation Module PC817 3V-5V 12V 24V Photoelectric Isolator Rail Holder PLC Drive Motor Board

1~20PCS 1 Channel Way Optocoupler Isolation Module PC817 3V-5V 12V 24V Photoelectric Isolator Rail Holder PLC Drive Motor Board

$1.48$1.55

436 sold
32% off
Liludin 1-Bit AC 220V Optocoupler Isolation Module Voltage Detect Board Adaptive 3-5V For PLC Isolamento Fotoaccoppiatore Module Liludin 1-Bit AC 220V Optocoupler Isolation Module Voltage Detect Board Adaptive 3-5V For PLC Isolamento Fotoaccoppiatore Module

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

$0.74$1.09

61 sold
70% off
diymore 12V 8 Channel Optocoupler Isolation Board High Level Trigger Isolated Module Positive Phase Amplification Plate 50mA diymore 12V 8 Channel Optocoupler Isolation Board High Level Trigger Isolated Module Positive Phase Amplification Plate 50mA

diymore 12V 8 Channel Optocoupler Isolation Board High Level Trigger Isolated Module Positive Phase Amplification Plate 50mA

$42.36$141.20

10 sold
25% off
2Pcs/1pc 1 Channel Way Optocoupler Isolation Module 3-5V/12V/24V Photoelectric Isolator Anti-interference PLC Drive Motor Board 2Pcs/1pc 1 Channel Way Optocoupler Isolation Module 3-5V/12V/24V Photoelectric Isolator Anti-interference PLC Drive Motor Board

2Pcs/1pc 1 Channel Way Optocoupler Isolation Module 3-5V/12V/24V Photoelectric Isolator Anti-interference PLC Drive Motor Board

$0.65$0.87

105 sold
19% off
TZT 5V 30A Two-way isolation relay module High/low level trigger 5V 30A 1-Channel Relay Module+Electronic With Optocoupler TZT 5V 30A Two-way isolation relay module High/low level trigger 5V 30A 1-Channel Relay Module+Electronic With Optocoupler

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

$1.56$1.93

12 sold
67% off
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

$23.92$72.48

16 sold
5% off
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

$12.93$13.65

107 sold
3% off
PC817 1 2 4 8 Channel Optocoupler Isolation Board Voltage Converter Adapter Module 3.6-30V Driver Photoelectric Isolated Module PC817 1 2 4 8 Channel Optocoupler Isolation Board Voltage Converter Adapter Module 3.6-30V Driver Photoelectric Isolated Module

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

$1.27$1.32

51 sold
45% 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

$0.95$1.73

35 sold
48% off
5V/12V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger 5V/12V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger

5V/12V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger

$0.46 $0.88

14 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
69% 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

$16.90 $54.51

2904 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
Four Channel MOSFET/FET Module Amplifier Circuit Board/Driver Module, 4-Channel Optocoupler Isolated DC 10A Four Channel MOSFET/FET Module Amplifier Circuit Board/Driver Module, 4-Channel Optocoupler Isolated DC 10A

Four Channel MOSFET/FET Module Amplifier Circuit Board/Driver Module, 4-Channel Optocoupler Isolated DC 10A

$14.80 $14.80

2 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
35% off
8 Channel Optocoupler Isolation Module Signal Voltage Converter PNP NPN Low High Level Output AC 110V 220V DC 3.3V 5V 12V 24V 8 Channel Optocoupler Isolation Module Signal Voltage Converter PNP NPN Low High Level Output AC 110V 220V DC 3.3V 5V 12V 24V

8 Channel Optocoupler Isolation Module Signal Voltage Converter PNP NPN Low High Level Output AC 110V 220V DC 3.3V 5V 12V 24V

$3.44 $5.30

15 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
2% 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

$7.99 $8.23

166 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
4% off
1~10PCS TLP281 4-Channel Opto-isolator IC Module For Arduino Expansion Board High And Low Level Optocoupler Isolation 4 Channel 1~10PCS TLP281 4-Channel Opto-isolator IC Module For Arduino Expansion Board High And Low Level Optocoupler Isolation 4 Channel

1~10PCS TLP281 4-Channel Opto-isolator IC Module For Arduino Expansion Board High And Low Level Optocoupler Isolation 4 Channel

$1.40 $1.46

50 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
30% off
‌5V 16-Channel Relay Module with Optocoupler Isolation – 10A 250V AC/30V DC High Load for Arduino ‌5V 16-Channel Relay Module with Optocoupler Isolation – 10A 250V AC/30V DC High Load for Arduino

‌5V 16-Channel Relay Module with Optocoupler Isolation – 10A 250V AC/30V DC High Load for Arduino

$6.47 $9.25

Categories: Electronic Components & Supplies, Active Components

Buy Now
10PCS 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger Compatible with Arduino Raspberry pi 10PCS 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger Compatible with Arduino Raspberry pi

10PCS 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger Compatible with Arduino Raspberry pi

$2.50 $2.50

1 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
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

$0.43 $0.43

102 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
9% off
PC817 1 2 4 8 Channel Optocoupler Isolation Board Voltage Converter Adapter Module 3.6-30V Driver Photoelectric Isolated Module PC817 1 2 4 8 Channel Optocoupler Isolation Board Voltage Converter Adapter Module 3.6-30V Driver Photoelectric Isolated Module

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

$1.10 $1.21

352 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
22% off
220V 8-Channel Optocoupler Isolation Module/220V Detection Module/AC Detection Module/Card Guide Enhanced Version 220V 8-Channel Optocoupler Isolation Module/220V Detection Module/AC Detection Module/Card Guide Enhanced Version

220V 8-Channel Optocoupler Isolation Module/220V Detection Module/AC Detection Module/Card Guide Enhanced Version

$12.47 $15.99

15 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
19% off
TZT 1/5PCS B0505S-1W 5V to 5V converter DC DC power module converter 1000VDC Isolation TZT 1/5PCS B0505S-1W 5V to 5V converter DC DC power module converter 1000VDC Isolation

TZT 1/5PCS B0505S-1W 5V to 5V converter DC DC power module converter 1000VDC Isolation

$0.48 $0.59

465 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
Four Way Optocoupler Isolation PLC Level Voltage Conversion Board 1.8 3.3 5 12 24V DST-1R4P-N Four Way Optocoupler Isolation PLC Level Voltage Conversion Board 1.8 3.3 5 12 24V DST-1R4P-N

Four Way Optocoupler Isolation PLC Level Voltage Conversion Board 1.8 3.3 5 12 24V DST-1R4P-N

$2.80 $2.80

18 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
24% off
diymore Isolated Industrial USB Converter USB to RS485 Converter Adapter with CH340E Chip TVS Protection for Win XP/2000/7/8/10 diymore Isolated Industrial USB Converter USB to RS485 Converter Adapter with CH340E Chip TVS Protection for Win XP/2000/7/8/10

diymore Isolated Industrial USB Converter USB to RS485 Converter Adapter with CH340E Chip TVS Protection for Win XP/2000/7/8/10

$3.21 $4.23

23 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
6% off
Industrial Grade UART TTL to RS485 Isolated communication Surge Protection for Arduiuo MEGA 4 NODEMCU ESP8266 Industrial Grade UART TTL to RS485 Isolated communication Surge Protection for Arduiuo MEGA 4 NODEMCU ESP8266

Industrial Grade UART TTL to RS485 Isolated communication Surge Protection for Arduiuo MEGA 4 NODEMCU ESP8266

$2.24 $2.40

21 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
6% off
4ch 3.3V 5V 12V 24V Digital Logic Level Conversion Module PNP/NPN to NPN Optical Isolation Board for Arduiuo NANO STM32 AVR 4ch 3.3V 5V 12V 24V Digital Logic Level Conversion Module PNP/NPN to NPN Optical Isolation Board for Arduiuo NANO STM32 AVR

4ch 3.3V 5V 12V 24V Digital Logic Level Conversion Module PNP/NPN to NPN Optical Isolation Board for Arduiuo NANO STM32 AVR

$1.78 $1.91

407 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
71% off
10PCS 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger for Arduino Raspberry pi ARM AVR 10PCS 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger for Arduino Raspberry pi ARM AVR

10PCS 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger for Arduino Raspberry pi ARM AVR

$52.21 $180.03

63 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
45% off
8-Channel Optocoupler Isolation Board/16 Road 24 Road 32 Road Optocoupler Isolation Module/3/5V/12V/24V Signal Isolation 8-Channel Optocoupler Isolation Board/16 Road 24 Road 32 Road Optocoupler Isolation Module/3/5V/12V/24V Signal Isolation

8-Channel Optocoupler Isolation Board/16 Road 24 Road 32 Road Optocoupler Isolation Module/3/5V/12V/24V Signal Isolation

$7.19 $13.08

13 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
6% off
diymore DST-1R8P-N 8 Channel Optocoupler 24V to 5V Isolation Module PLC Signal Level Voltage Conversion Board for Arduino diymore DST-1R8P-N 8 Channel Optocoupler 24V to 5V Isolation Module PLC Signal Level Voltage Conversion Board for Arduino

diymore DST-1R8P-N 8 Channel Optocoupler 24V to 5V Isolation Module PLC Signal Level Voltage Conversion Board for Arduino

$6.44 $6.87

35 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
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

$10.09 $10.09

131 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
4% off
4 Channel Optocoupler Isolation Board Voltage Converter 24V to 3.3V/5V to 24V/12V to 24V Isolated Module PLC Signal Level Board 4 Channel Optocoupler Isolation Board Voltage Converter 24V to 3.3V/5V to 24V/12V to 24V Isolated Module PLC Signal Level Board

4 Channel Optocoupler Isolation Board Voltage Converter 24V to 3.3V/5V to 24V/12V to 24V Isolated Module PLC Signal Level Board

$3.59 $3.74

63 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
4% off
817 Optocoupler 2/4/8 way voltage isolation board Voltage control adapter module Driver Optical isolation module 817 Optocoupler 2/4/8 way voltage isolation board Voltage control adapter module Driver Optical isolation module

817 Optocoupler 2/4/8 way voltage isolation board Voltage control adapter module Driver Optical isolation module

$10.24 $10.68

30 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
XH-M372 Stereo /Audio Isolator Vehicle Common Ground Suppression Interference Noise Isolation Module Transformer Coupler XH-M372 Stereo /Audio Isolator Vehicle Common Ground Suppression Interference Noise Isolation Module Transformer Coupler

XH-M372 Stereo /Audio Isolator Vehicle Common Ground Suppression Interference Noise Isolation Module Transformer Coupler

$9.51 $9.51

30 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
67% off
12V 1-channel relay module, using bidirectional optocoupler isolation, with strong driving capability and stable performance 12V 1-channel relay module, using bidirectional optocoupler isolation, with strong driving capability and stable performance

12V 1-channel relay module, using bidirectional optocoupler isolation, with strong driving capability and stable performance

$21.93 $66.45

6 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
13% off
XH-M372 Stereo /Audio Isolator Vehicle Common Ground Suppression Interference Noise Isolation Module Transformer Coupler XH-M372 Stereo /Audio Isolator Vehicle Common Ground Suppression Interference Noise Isolation Module Transformer Coupler

XH-M372 Stereo /Audio Isolator Vehicle Common Ground Suppression Interference Noise Isolation Module Transformer Coupler

$8.77 $10.08

8 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
71% off
PC817 2 4 Channel Optocoupler Isolation Board Voltage Converter Adapter 3.3V to 5V Module 3.6-30V Driver Photoelectric Isolated PC817 2 4 Channel Optocoupler Isolation Board Voltage Converter Adapter 3.3V to 5V Module 3.6-30V Driver Photoelectric Isolated

PC817 2 4 Channel Optocoupler Isolation Board Voltage Converter Adapter 3.3V to 5V Module 3.6-30V Driver Photoelectric Isolated

$18.17 $62.66

52 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
8 Ch Channel AC 220V 3V 5V 8 Channel Optocoupler Isolation Test Board Isolated Detection Tester PLC Processors Module 8 Ch Channel AC 220V 3V 5V 8 Channel Optocoupler Isolation Test Board Isolated Detection Tester PLC Processors Module

8 Ch Channel AC 220V 3V 5V 8 Channel Optocoupler Isolation Test Board Isolated Detection Tester PLC Processors Module

$5.03 $5.03

20 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
4% off
1~20PCS 1 Channel Way Optocoupler Isolation Module PC817 3V-5V 12V 24V Photoelectric Isolator Rail Holder PLC Drive Motor Board 1~20PCS 1 Channel Way Optocoupler Isolation Module PC817 3V-5V 12V 24V Photoelectric Isolator Rail Holder PLC Drive Motor Board

1~20PCS 1 Channel Way Optocoupler Isolation Module PC817 3V-5V 12V 24V Photoelectric Isolator Rail Holder PLC Drive Motor Board

$1.48 $1.55

436 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
32% off
Liludin 1-Bit AC 220V Optocoupler Isolation Module Voltage Detect Board Adaptive 3-5V For PLC Isolamento Fotoaccoppiatore Module Liludin 1-Bit AC 220V Optocoupler Isolation Module Voltage Detect Board Adaptive 3-5V For PLC Isolamento Fotoaccoppiatore Module

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

$0.74 $1.09

61 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
70% off
diymore 12V 8 Channel Optocoupler Isolation Board High Level Trigger Isolated Module Positive Phase Amplification Plate 50mA diymore 12V 8 Channel Optocoupler Isolation Board High Level Trigger Isolated Module Positive Phase Amplification Plate 50mA

diymore 12V 8 Channel Optocoupler Isolation Board High Level Trigger Isolated Module Positive Phase Amplification Plate 50mA

$42.36 $141.20

10 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
25% off
2Pcs/1pc 1 Channel Way Optocoupler Isolation Module 3-5V/12V/24V Photoelectric Isolator Anti-interference PLC Drive Motor Board 2Pcs/1pc 1 Channel Way Optocoupler Isolation Module 3-5V/12V/24V Photoelectric Isolator Anti-interference PLC Drive Motor Board

2Pcs/1pc 1 Channel Way Optocoupler Isolation Module 3-5V/12V/24V Photoelectric Isolator Anti-interference PLC Drive Motor Board

$0.65 $0.87

105 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
19% off
TZT 5V 30A Two-way isolation relay module High/low level trigger 5V 30A 1-Channel Relay Module+Electronic With Optocoupler TZT 5V 30A Two-way isolation relay module High/low level trigger 5V 30A 1-Channel Relay Module+Electronic With Optocoupler

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

$1.56 $1.93

12 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
67% off
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

$23.92 $72.48

16 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
5% off
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

$12.93 $13.65

107 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
3% off
PC817 1 2 4 8 Channel Optocoupler Isolation Board Voltage Converter Adapter Module 3.6-30V Driver Photoelectric Isolated Module PC817 1 2 4 8 Channel Optocoupler Isolation Board Voltage Converter Adapter Module 3.6-30V Driver Photoelectric Isolated Module

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

$1.27 $1.32

51 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
45% 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

$0.95 $1.73

35 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now