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Optocoupler Output

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51% off
1/10PCS 3.3V 5v 12V 24V 1 2 4 8 Channel Relay Module With Optocoupler. Output X Way for Arduino 1CH 2CH 4CH 8CH 1/10PCS 3.3V 5v 12V 24V 1 2 4 8 Channel Relay Module With Optocoupler. Output X Way for Arduino 1CH 2CH 4CH 8CH

1/10PCS 3.3V 5v 12V 24V 1 2 4 8 Channel Relay Module With Optocoupler. Output X Way for Arduino 1CH 2CH 4CH 8CH

$29.51$60.23

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

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

$1.87$1.87

490 sold
18% off
10pcs 1 Channel 5V 12V 24V Relay Module Board Shield With Optocoupler Support High and Low Level Trigger Relays For arduino 10pcs 1 Channel 5V 12V 24V Relay Module Board Shield With Optocoupler Support High and Low Level Trigger Relays For arduino

10pcs 1 Channel 5V 12V 24V Relay Module Board Shield With Optocoupler Support High and Low Level Trigger Relays For arduino

$8.97$10.94

44 sold
31% off
2 Way Relay Module 5V 10A Optocoupler Isolated Relay Onboard Power Supply Led Indicator with Output Signal Indication Relay 2 Way Relay Module 5V 10A Optocoupler Isolated Relay Onboard Power Supply Led Indicator with Output Signal Indication Relay

2 Way Relay Module 5V 10A Optocoupler Isolated Relay Onboard Power Supply Led Indicator with Output Signal Indication Relay

$4.21$6.10

40% 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

$24.11$40.82

204 sold
18% off
10pcs 2 Channel Relay Module DC 5V 9V 12V 24V High and Low Level Trigger Relay Control With Optocoupler Two Way Relays Board 10pcs 2 Channel Relay Module DC 5V 9V 12V 24V High and Low Level Trigger Relay Control With Optocoupler Two Way Relays Board

10pcs 2 Channel Relay Module DC 5V 9V 12V 24V High and Low Level Trigger Relay Control With Optocoupler Two Way Relays Board

$17.22$21.00

3 sold
51% off
DC 5V 12V 24V Relay Module 1 Channel Relay Board with Optocoupler Isolation Support High or Low Level DC 5V 12V 24V Relay Module 1 Channel Relay Board with Optocoupler Isolation Support High or Low Level

DC 5V 12V 24V Relay Module 1 Channel Relay Board with Optocoupler Isolation Support High or Low Level

$27.75$56.63

50 sold
42% off
DC 5V 12V 24V 1/2/4/8 Channel Relay Module High and Low Level Trigger Dual Optocoupler Isolation LED Indicator DC 5V 12V 24V 1/2/4/8 Channel Relay Module High and Low Level Trigger Dual Optocoupler Isolation LED Indicator

DC 5V 12V 24V 1/2/4/8 Channel Relay Module High and Low Level Trigger Dual Optocoupler Isolation LED Indicator

$33.44$57.66

149 sold
25% off
8-channel Relay Module ESP32 Modbus RS485 8 Way Input 8 Way Output Optocoupler Isolation Power Supply with WiFi 8-channel Relay Module ESP32 Modbus RS485 8 Way Input 8 Way Output Optocoupler Isolation Power Supply with WiFi

8-channel Relay Module ESP32 Modbus RS485 8 Way Input 8 Way Output Optocoupler Isolation Power Supply with WiFi

$9.82$13.10

2 sold
58% 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

$26.68$63.53

2 sold
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

$3.33$3.33

6 sold
41% off
5V 12V 24V Relay Module With Optocoupler Relay Output 1 2 4 6 8 16Way Relay Module For Arduino PLC Automation Equipment Control 5V 12V 24V Relay Module With Optocoupler Relay Output 1 2 4 6 8 16Way Relay Module For Arduino PLC Automation Equipment Control

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

$35.18$59.63

65 sold
1-10Pcs MOS Optocoupler Isolation Driver Drive Module Field Effect Transistor Trigger Switch 3V-20V PWM Control Controller Board 1-10Pcs MOS Optocoupler Isolation Driver Drive Module Field Effect Transistor Trigger Switch 3V-20V PWM Control Controller Board

1-10Pcs MOS Optocoupler Isolation Driver Drive Module Field Effect Transistor Trigger Switch 3V-20V PWM Control Controller Board

$2.15$2.15

47 sold
39% off
ENMG SDR25A2032 Solid State Relay SSR 25A 5/12/24VDC Control 220VAC Load DIN Rail Mount Optocoupler Isolation Enhanced Heat Diss ENMG SDR25A2032 Solid State Relay SSR 25A 5/12/24VDC Control 220VAC Load DIN Rail Mount Optocoupler Isolation Enhanced Heat Diss

ENMG SDR25A2032 Solid State Relay SSR 25A 5/12/24VDC Control 220VAC Load DIN Rail Mount Optocoupler Isolation Enhanced Heat Diss

$107.00$175.41

41 sold
22% 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

$0.27$0.35

135 sold
5% off
5v 8 Channel Relay Module Board With Optocoupler Output 8 Way For Arduino 5v 8 Channel Relay Module Board With Optocoupler Output 8 Way For Arduino

5v 8 Channel Relay Module Board With Optocoupler Output 8 Way For Arduino

$4.48$4.72

1 sold
141R RS485 Remote IO Module Spring Terminal 8CH NPN/PNP Digital Input Output Modbus RTU Board for PLC Expansion DC 12V 24V 141R RS485 Remote IO Module Spring Terminal 8CH NPN/PNP Digital Input Output Modbus RTU Board for PLC Expansion DC 12V 24V

141R RS485 Remote IO Module Spring Terminal 8CH NPN/PNP Digital Input Output Modbus RTU Board for PLC Expansion DC 12V 24V

$49.62$49.62

1 sold
PLC DC Signal Amplifier Board MOSFET Optocoupler Isolated NPN PNP 4-32 Channel 3A 3.3V-24V Input DIN Rail Mount BMZ PLC DC Signal Amplifier Board MOSFET Optocoupler Isolated NPN PNP 4-32 Channel 3A 3.3V-24V Input DIN Rail Mount BMZ

PLC DC Signal Amplifier Board MOSFET Optocoupler Isolated NPN PNP 4-32 Channel 3A 3.3V-24V Input DIN Rail Mount BMZ

$51.32$51.32

6 sold
60% off
TB6560 Stepper Motor Driver Module 3A Output 6N137 High-Speed Optocoupler for Accurate Step Signal Transmission TB6560 Stepper Motor Driver Module 3A Output 6N137 High-Speed Optocoupler for Accurate Step Signal Transmission

TB6560 Stepper Motor Driver Module 3A Output 6N137 High-Speed Optocoupler for Accurate Step Signal Transmission

$36.76$91.90

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

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

$2.44$2.44

212 sold
60% off
4 Channel MOSFET Driver Module Optocoupler Isolation PLC Amplifier Board, 3V-20V Input 4 Channel MOSFET Driver Module Optocoupler Isolation PLC Amplifier Board, 3V-20V Input

4 Channel MOSFET Driver Module Optocoupler Isolation PLC Amplifier Board, 3V-20V Input

$28.94$72.45

8 sold
ESP32 Modbus 8-channel Relay Module RS485 8 Way Input 8 Way Output Optocoupler Isolation 9-24V Power Supply with WiFi/Bl-uetooth ESP32 Modbus 8-channel Relay Module RS485 8 Way Input 8 Way Output Optocoupler Isolation 9-24V Power Supply with WiFi/Bl-uetooth

ESP32 Modbus 8-channel Relay Module RS485 8 Way Input 8 Way Output Optocoupler Isolation 9-24V Power Supply with WiFi/Bl-uetooth

$11.00$11.00

3.3V 5V 3 Channel Relay Module 5mA With Optocoupler Isolation Compatible Signal 3.3V 5V 3 Channel Relay Module 5mA With Optocoupler Isolation Compatible Signal

3.3V 5V 3 Channel Relay Module 5mA With Optocoupler Isolation Compatible Signal

$3.16$3.16

415 sold
35% off
1ch 2ch 4ch 8ch DC 5V 12V Relay Module Board With Optocoupler Relay Output Module For Arduino 1 2 4 8 way PLC Automation c1 1ch 2ch 4ch 8ch DC 5V 12V Relay Module Board With Optocoupler Relay Output Module For Arduino 1 2 4 8 way PLC Automation c1

1ch 2ch 4ch 8ch DC 5V 12V Relay Module Board With Optocoupler Relay Output Module For Arduino 1 2 4 8 way PLC Automation c1

$1.48$2.28

1 sold
35% off
Modbus-RTU Relay Module 1/2/4/8 Channels 10A 5V 12V 24V Switch Input Output Optocoupler Isolation RS485 TTL Communication Modbus-RTU Relay Module 1/2/4/8 Channels 10A 5V 12V 24V Switch Input Output Optocoupler Isolation RS485 TTL Communication

Modbus-RTU Relay Module 1/2/4/8 Channels 10A 5V 12V 24V Switch Input Output Optocoupler Isolation RS485 TTL Communication

$9.25$14.23

7 sold
38% off
3PCS 220V AC Optocoupler Board with LED Status Light NPN Transistor Output Blue Terminal Blocks and 3-5V Logic Compatibility 3PCS 220V AC Optocoupler Board with LED Status Light NPN Transistor Output Blue Terminal Blocks and 3-5V Logic Compatibility

3PCS 220V AC Optocoupler Board with LED Status Light NPN Transistor Output Blue Terminal Blocks and 3-5V Logic Compatibility

$19.03$30.70

50% off
DC 3V/3.3V Isolated Drive Control Board Output Signal Indicator Optocoupler Relay Module Microcontroller IO Port DC 3V/3.3V Isolated Drive Control Board Output Signal Indicator Optocoupler Relay Module Microcontroller IO Port

DC 3V/3.3V Isolated Drive Control Board Output Signal Indicator Optocoupler Relay Module Microcontroller IO Port

$28.97$57.94

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

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

$30.06$61.35

16 sold
51% off
1/2/4/8‑Channel Relay Module, Optocoupler Isolation, 3.3V/5V/12V/24V, 1‑4‑8‑Channel, High‑Low Level Trigger 1/2/4/8‑Channel Relay Module, Optocoupler Isolation, 3.3V/5V/12V/24V, 1‑4‑8‑Channel, High‑Low Level Trigger

1/2/4/8‑Channel Relay Module, Optocoupler Isolation, 3.3V/5V/12V/24V, 1‑4‑8‑Channel, High‑Low Level Trigger

$26.83$54.75

11 sold
5V 12V 24V One 1 Channel Relay Module Board Shield with Optocoupler Support High and Low Level Trigger 5V 12V 24V One 1 Channel Relay Module Board Shield with Optocoupler Support High and Low Level Trigger

5V 12V 24V One 1 Channel Relay Module Board Shield with Optocoupler Support High and Low Level Trigger

$5.15$5.15

177 sold
22% off
1 Channel 5V 12V 24V Relay Module Board Shield With Optocoupler 12V Relay Module Support High and Low Level Trigger for Arduino 1 Channel 5V 12V 24V Relay Module Board Shield With Optocoupler 12V Relay Module Support High and Low Level Trigger for Arduino

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

$0.56$0.72

17 sold
1PC Relay ssr Input 90-280VAC Photoelectrical Coupling-interface Relay Module Optocoupler Isolating solid state Relay MRI-230A48 1PC Relay ssr Input 90-280VAC Photoelectrical Coupling-interface Relay Module Optocoupler Isolating solid state Relay MRI-230A48

1PC Relay ssr Input 90-280VAC Photoelectrical Coupling-interface Relay Module Optocoupler Isolating solid state Relay MRI-230A48

$9.10$9.10

4 sold
49% off
DC 5V 12V 24V 1/2/4/6/8 Channel Relay Module Board with Optocoupler Relay Output High- and Low-Level Trigger for Arduino DC 5V 12V 24V 1/2/4/6/8 Channel Relay Module Board with Optocoupler Relay Output High- and Low-Level Trigger for Arduino

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

$24.93$49.85

14 sold
50% off
PLC DC Amplifier Board Module ST8P-5DD Optocoupler Isolation Solid State Relay Transistor Output Module PLC DC Amplifier Board Module ST8P-5DD Optocoupler Isolation Solid State Relay Transistor Output Module

PLC DC Amplifier Board Module ST8P-5DD Optocoupler Isolation Solid State Relay Transistor Output Module

$6.75$13.50

2 sold
49% off
DC 3V/3.3V High Level Driver Module Relay Module Optocoupler Relay Module Isolated Drive Control Board Microcontroller IO Port DC 3V/3.3V High Level Driver Module Relay Module Optocoupler Relay Module Isolated Drive Control Board Microcontroller IO Port

DC 3V/3.3V High Level Driver Module Relay Module Optocoupler Relay Module Isolated Drive Control Board Microcontroller IO Port

$27.32$54.63

4 sold
25% off
Simple PLC Industrial Control Board 6 Channel Optocoupler Isolation Input 4 Channel Relay Output AD DA Analog Serial Port Board Simple PLC Industrial Control Board 6 Channel Optocoupler Isolation Input 4 Channel Relay Output AD DA Analog Serial Port Board

Simple PLC Industrial Control Board 6 Channel Optocoupler Isolation Input 4 Channel Relay Output AD DA Analog Serial Port Board

$15.85$21.14

51% off
1/10PCS 3.3V 5v 12V 24V 1 2 4 8 Channel Relay Module With Optocoupler. Output X Way for Arduino 1CH 2CH 4CH 8CH 1/10PCS 3.3V 5v 12V 24V 1 2 4 8 Channel Relay Module With Optocoupler. Output X Way for Arduino 1CH 2CH 4CH 8CH

1/10PCS 3.3V 5v 12V 24V 1 2 4 8 Channel Relay Module With Optocoupler. Output X Way for Arduino 1CH 2CH 4CH 8CH

$29.51 $60.23

236 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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

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

$1.87 $1.87

490 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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18% off
10pcs 1 Channel 5V 12V 24V Relay Module Board Shield With Optocoupler Support High and Low Level Trigger Relays For arduino 10pcs 1 Channel 5V 12V 24V Relay Module Board Shield With Optocoupler Support High and Low Level Trigger Relays For arduino

10pcs 1 Channel 5V 12V 24V Relay Module Board Shield With Optocoupler Support High and Low Level Trigger Relays For arduino

$8.97 $10.94

44 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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31% off
2 Way Relay Module 5V 10A Optocoupler Isolated Relay Onboard Power Supply Led Indicator with Output Signal Indication Relay 2 Way Relay Module 5V 10A Optocoupler Isolated Relay Onboard Power Supply Led Indicator with Output Signal Indication Relay

2 Way Relay Module 5V 10A Optocoupler Isolated Relay Onboard Power Supply Led Indicator with Output Signal Indication Relay

$4.21 $6.10

Categories: Home Improvement, Electrical Equipment & Supplies

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40% 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

$24.11 $40.82

204 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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18% off
10pcs 2 Channel Relay Module DC 5V 9V 12V 24V High and Low Level Trigger Relay Control With Optocoupler Two Way Relays Board 10pcs 2 Channel Relay Module DC 5V 9V 12V 24V High and Low Level Trigger Relay Control With Optocoupler Two Way Relays Board

10pcs 2 Channel Relay Module DC 5V 9V 12V 24V High and Low Level Trigger Relay Control With Optocoupler Two Way Relays Board

$17.22 $21.00

3 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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51% off
DC 5V 12V 24V Relay Module 1 Channel Relay Board with Optocoupler Isolation Support High or Low Level DC 5V 12V 24V Relay Module 1 Channel Relay Board with Optocoupler Isolation Support High or Low Level

DC 5V 12V 24V Relay Module 1 Channel Relay Board with Optocoupler Isolation Support High or Low Level

$27.75 $56.63

50 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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42% off
DC 5V 12V 24V 1/2/4/8 Channel Relay Module High and Low Level Trigger Dual Optocoupler Isolation LED Indicator DC 5V 12V 24V 1/2/4/8 Channel Relay Module High and Low Level Trigger Dual Optocoupler Isolation LED Indicator

DC 5V 12V 24V 1/2/4/8 Channel Relay Module High and Low Level Trigger Dual Optocoupler Isolation LED Indicator

$33.44 $57.66

149 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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25% off
8-channel Relay Module ESP32 Modbus RS485 8 Way Input 8 Way Output Optocoupler Isolation Power Supply with WiFi 8-channel Relay Module ESP32 Modbus RS485 8 Way Input 8 Way Output Optocoupler Isolation Power Supply with WiFi

8-channel Relay Module ESP32 Modbus RS485 8 Way Input 8 Way Output Optocoupler Isolation Power Supply with WiFi

$9.82 $13.10

2 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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58% 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

$26.68 $63.53

2 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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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

$3.33 $3.33

6 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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41% off
5V 12V 24V Relay Module With Optocoupler Relay Output 1 2 4 6 8 16Way Relay Module For Arduino PLC Automation Equipment Control 5V 12V 24V Relay Module With Optocoupler Relay Output 1 2 4 6 8 16Way Relay Module For Arduino PLC Automation Equipment Control

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

$35.18 $59.63

65 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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1-10Pcs MOS Optocoupler Isolation Driver Drive Module Field Effect Transistor Trigger Switch 3V-20V PWM Control Controller Board 1-10Pcs MOS Optocoupler Isolation Driver Drive Module Field Effect Transistor Trigger Switch 3V-20V PWM Control Controller Board

1-10Pcs MOS Optocoupler Isolation Driver Drive Module Field Effect Transistor Trigger Switch 3V-20V PWM Control Controller Board

$2.15 $2.15

47 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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39% off
ENMG SDR25A2032 Solid State Relay SSR 25A 5/12/24VDC Control 220VAC Load DIN Rail Mount Optocoupler Isolation Enhanced Heat Diss ENMG SDR25A2032 Solid State Relay SSR 25A 5/12/24VDC Control 220VAC Load DIN Rail Mount Optocoupler Isolation Enhanced Heat Diss

ENMG SDR25A2032 Solid State Relay SSR 25A 5/12/24VDC Control 220VAC Load DIN Rail Mount Optocoupler Isolation Enhanced Heat Diss

$107.00 $175.41

41 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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22% 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

$0.27 $0.35

135 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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5% off
5v 8 Channel Relay Module Board With Optocoupler Output 8 Way For Arduino 5v 8 Channel Relay Module Board With Optocoupler Output 8 Way For Arduino

5v 8 Channel Relay Module Board With Optocoupler Output 8 Way For Arduino

$4.48 $4.72

1 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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141R RS485 Remote IO Module Spring Terminal 8CH NPN/PNP Digital Input Output Modbus RTU Board for PLC Expansion DC 12V 24V 141R RS485 Remote IO Module Spring Terminal 8CH NPN/PNP Digital Input Output Modbus RTU Board for PLC Expansion DC 12V 24V

141R RS485 Remote IO Module Spring Terminal 8CH NPN/PNP Digital Input Output Modbus RTU Board for PLC Expansion DC 12V 24V

$49.62 $49.62

1 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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PLC DC Signal Amplifier Board MOSFET Optocoupler Isolated NPN PNP 4-32 Channel 3A 3.3V-24V Input DIN Rail Mount BMZ PLC DC Signal Amplifier Board MOSFET Optocoupler Isolated NPN PNP 4-32 Channel 3A 3.3V-24V Input DIN Rail Mount BMZ

PLC DC Signal Amplifier Board MOSFET Optocoupler Isolated NPN PNP 4-32 Channel 3A 3.3V-24V Input DIN Rail Mount BMZ

$51.32 $51.32

6 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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60% off
TB6560 Stepper Motor Driver Module 3A Output 6N137 High-Speed Optocoupler for Accurate Step Signal Transmission TB6560 Stepper Motor Driver Module 3A Output 6N137 High-Speed Optocoupler for Accurate Step Signal Transmission

TB6560 Stepper Motor Driver Module 3A Output 6N137 High-Speed Optocoupler for Accurate Step Signal Transmission

$36.76 $91.90

Categories: Home Improvement, Electrical Equipment & Supplies

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

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

$2.44 $2.44

212 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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60% off
4 Channel MOSFET Driver Module Optocoupler Isolation PLC Amplifier Board, 3V-20V Input 4 Channel MOSFET Driver Module Optocoupler Isolation PLC Amplifier Board, 3V-20V Input

4 Channel MOSFET Driver Module Optocoupler Isolation PLC Amplifier Board, 3V-20V Input

$28.94 $72.45

8 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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ESP32 Modbus 8-channel Relay Module RS485 8 Way Input 8 Way Output Optocoupler Isolation 9-24V Power Supply with WiFi/Bl-uetooth ESP32 Modbus 8-channel Relay Module RS485 8 Way Input 8 Way Output Optocoupler Isolation 9-24V Power Supply with WiFi/Bl-uetooth

ESP32 Modbus 8-channel Relay Module RS485 8 Way Input 8 Way Output Optocoupler Isolation 9-24V Power Supply with WiFi/Bl-uetooth

$11.00 $11.00

Categories: Home Improvement, Electrical Equipment & Supplies

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3.3V 5V 3 Channel Relay Module 5mA With Optocoupler Isolation Compatible Signal 3.3V 5V 3 Channel Relay Module 5mA With Optocoupler Isolation Compatible Signal

3.3V 5V 3 Channel Relay Module 5mA With Optocoupler Isolation Compatible Signal

$3.16 $3.16

415 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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35% off
1ch 2ch 4ch 8ch DC 5V 12V Relay Module Board With Optocoupler Relay Output Module For Arduino 1 2 4 8 way PLC Automation c1 1ch 2ch 4ch 8ch DC 5V 12V Relay Module Board With Optocoupler Relay Output Module For Arduino 1 2 4 8 way PLC Automation c1

1ch 2ch 4ch 8ch DC 5V 12V Relay Module Board With Optocoupler Relay Output Module For Arduino 1 2 4 8 way PLC Automation c1

$1.48 $2.28

1 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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35% off
Modbus-RTU Relay Module 1/2/4/8 Channels 10A 5V 12V 24V Switch Input Output Optocoupler Isolation RS485 TTL Communication Modbus-RTU Relay Module 1/2/4/8 Channels 10A 5V 12V 24V Switch Input Output Optocoupler Isolation RS485 TTL Communication

Modbus-RTU Relay Module 1/2/4/8 Channels 10A 5V 12V 24V Switch Input Output Optocoupler Isolation RS485 TTL Communication

$9.25 $14.23

7 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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38% off
3PCS 220V AC Optocoupler Board with LED Status Light NPN Transistor Output Blue Terminal Blocks and 3-5V Logic Compatibility 3PCS 220V AC Optocoupler Board with LED Status Light NPN Transistor Output Blue Terminal Blocks and 3-5V Logic Compatibility

3PCS 220V AC Optocoupler Board with LED Status Light NPN Transistor Output Blue Terminal Blocks and 3-5V Logic Compatibility

$19.03 $30.70

Categories: Home Improvement, Electrical Equipment & Supplies

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50% off
DC 3V/3.3V Isolated Drive Control Board Output Signal Indicator Optocoupler Relay Module Microcontroller IO Port DC 3V/3.3V Isolated Drive Control Board Output Signal Indicator Optocoupler Relay Module Microcontroller IO Port

DC 3V/3.3V Isolated Drive Control Board Output Signal Indicator Optocoupler Relay Module Microcontroller IO Port

$28.97 $57.94

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

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

$30.06 $61.35

16 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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