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Optocoupler Output

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62% off
3PCS Optocoupler Module Set for 220V AC Input Detection with LED Status Light NPN Output and 3-5V Logic Level Compatibility 3PCS Optocoupler Module Set for 220V AC Input Detection with LED Status Light NPN Output and 3-5V Logic Level Compatibility

3PCS Optocoupler Module Set for 220V AC Input Detection with LED Status Light NPN Output and 3-5V Logic Level Compatibility

$20.68$54.42

ENMG 24V Wide Voltage PCB Small Welding Type Solid State Relay PMN5D6132 DC Control 3V5V PM5D6132 Optocoupler Isolation Thin ENMG 24V Wide Voltage PCB Small Welding Type Solid State Relay PMN5D6132 DC Control 3V5V PM5D6132 Optocoupler Isolation Thin

ENMG 24V Wide Voltage PCB Small Welding Type Solid State Relay PMN5D6132 DC Control 3V5V PM5D6132 Optocoupler Isolation Thin

$23.63$23.63

93 sold
53% off
10-1 PCS,3.3V 5v 12V 24V 1 2 4 8 Channel Relay Module With Optocoupler. Output X Way for Arduino 1CH 2CH 4CH 8CH 10-1 PCS,3.3V 5v 12V 24V 1 2 4 8 Channel Relay Module With Optocoupler. Output X Way for Arduino 1CH 2CH 4CH 8CH

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

$50.06$106.52

65 sold
29% 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

$15.73$22.16

55 sold
50% off
5V 12V 24V Relay Module With Optocoupler Relay Output 1 2 4 6 8 Way Relay Module For Arduino 5V 12V 24V Relay Module With Optocoupler Relay Output 1 2 4 6 8 Way Relay Module For Arduino

5V 12V 24V Relay Module With Optocoupler Relay Output 1 2 4 6 8 Way Relay Module For Arduino

$23.47$46.95

10 sold
50% off
6pcs Single-Channel Optocoupler Module with 3000V Isolation Voltage for 3V 5V 12V 24V DC Input Output Signal Separation 6pcs Single-Channel Optocoupler Module with 3000V Isolation Voltage for 3V 5V 12V 24V DC Input Output Signal Separation

6pcs Single-Channel Optocoupler Module with 3000V Isolation Voltage for 3V 5V 12V 24V DC Input Output Signal Separation

$60.94$121.88

50% off
1/5/10Pcs Javino 1 Channel 30A Relay Module with Optocoupler Isolation 5V/12V/24V High/Low Level Trigger 1/5/10Pcs Javino 1 Channel 30A Relay Module with Optocoupler Isolation 5V/12V/24V High/Low Level Trigger

1/5/10Pcs Javino 1 Channel 30A Relay Module with Optocoupler Isolation 5V/12V/24V High/Low Level Trigger

$36.01$72.02

31 sold
30% off
5V 12V 1 2 4 8 channel relay module with optocoupler Output 1 2 4 6 8 way relay 5v 12v Low Level Trigger for AVR DSP ARM MCU 5V 12V 1 2 4 8 channel relay module with optocoupler Output 1 2 4 6 8 way relay 5v 12v Low Level Trigger for AVR DSP ARM MCU

5V 12V 1 2 4 8 channel relay module with optocoupler Output 1 2 4 6 8 way relay 5v 12v Low Level Trigger for AVR DSP ARM MCU

$0.79$1.13

2 sold
25% off
RS485 Modbus Module ESP32 2 Channel Relay 2IN 2OUT Optocoupler Isolation WiFi CH340 Type-C&7-24VDC Dual Power Supply RS485 Modbus Module ESP32 2 Channel Relay 2IN 2OUT Optocoupler Isolation WiFi CH340 Type-C&7-24VDC Dual Power Supply

RS485 Modbus Module ESP32 2 Channel Relay 2IN 2OUT Optocoupler Isolation WiFi CH340 Type-C&7-24VDC Dual Power Supply

$7.12$9.50

2 sold
50% off
1Pcs High Level Drive Board Single Channel 3V Relay Isolated Drive Control Module 10A Load Optocoupler Isolation Board【SMQ】 1Pcs High Level Drive Board Single Channel 3V Relay Isolated Drive Control Module 10A Load Optocoupler Isolation Board【SMQ】

1Pcs High Level Drive Board Single Channel 3V Relay Isolated Drive Control Module 10A Load Optocoupler Isolation Board【SMQ】

$33.12$66.25

1 sold
50% off
DC 3V/3.3V Isolated Drive Control Board Output Signal Indicator High Level Driver Module Relay Module Optocoupler Relay Module DC 3V/3.3V Isolated Drive Control Board Output Signal Indicator High Level Driver Module Relay Module Optocoupler Relay Module

DC 3V/3.3V Isolated Drive Control Board Output Signal Indicator High Level Driver Module Relay Module Optocoupler Relay Module

$54.25$108.50

5 sold
50% 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

$48.36$96.72

6 sold
ENMG Optocoupler Isolation MT08S Solid State Relay Module PLC Amplifier Board DC Output Control Module 24V Non-Contact 16Channel ENMG Optocoupler Isolation MT08S Solid State Relay Module PLC Amplifier Board DC Output Control Module 24V Non-Contact 16Channel

ENMG Optocoupler Isolation MT08S Solid State Relay Module PLC Amplifier Board DC Output Control Module 24V Non-Contact 16Channel

$48.95$48.95

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

$2.32$2.32

60 sold
5% off
1pcs 4-32 Channels 3a Dc Transistor Amplifier Board Output Plc Load Io Port Mcu Optocoupler Isolation Solenoid Valve Pnp Npn 1pcs 4-32 Channels 3a Dc Transistor Amplifier Board Output Plc Load Io Port Mcu Optocoupler Isolation Solenoid Valve Pnp Npn

1pcs 4-32 Channels 3a Dc Transistor Amplifier Board Output Plc Load Io Port Mcu Optocoupler Isolation Solenoid Valve Pnp Npn

$15.20$16.00

50% off
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 High/Low Level Trigger Relay Module 1/2/4/8 Channel 5V12V24V Home Intelligent Control Module

$37.74$75.49

50% off
1PCS 5V 30A Two-way isolation relay module High/low level trigger 5V 30A 1-Channel Relay Module+Electronic With Optocoupler 1PCS 5V 30A Two-way isolation relay module High/low level trigger 5V 30A 1-Channel Relay Module+Electronic With Optocoupler

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

$33.58$67.16

13 sold
1 2 4 8 Channel 5V 12V 24V Relay Module Board Shield With Optocoupler Support High And Low Level Trigger

1 2 4 8 Channel 5V 12V 24V Relay Module Board Shield With Optocoupler Support High And Low Level Trigger

$4.64$4.64

14 sold
51% off
1PCS 1/2/4/8-Channel X-Way DC5V Relay Module with Optocoupler Output for Arduino Compatible PCB Board Switching 1PCS 1/2/4/8-Channel X-Way DC5V Relay Module with Optocoupler Output for Arduino Compatible PCB Board Switching

1PCS 1/2/4/8-Channel X-Way DC5V Relay Module with Optocoupler Output for Arduino Compatible PCB Board Switching

$26.69$54.47

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

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

$29.33$58.66

2% off
10pcs 6N137M DIP 6N137SDM 6N139SDM 6N137SM SOP Logic output optocoupler 10pcs 6N137M DIP 6N137SDM 6N139SDM 6N137SM SOP Logic output optocoupler

10pcs 6N137M DIP 6N137SDM 6N139SDM 6N137SM SOP Logic output optocoupler

$4.73$4.83

10PCS TEJIATE Optocoupler TLP785 P785 SOP-4 SMD Transistor Photoelectric Output Optical Isolator Imprint 130 10PCS TEJIATE Optocoupler TLP785 P785 SOP-4 SMD Transistor Photoelectric Output Optical Isolator Imprint 130

10PCS TEJIATE Optocoupler TLP785 P785 SOP-4 SMD Transistor Photoelectric Output Optical Isolator Imprint 130

$0.79$0.79

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

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

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

$2.10$2.10

3 sold
49% off
30A Relay Module High Power One Way High/Low Level Trigger Optocoupler Isolation Relay Module 30A YYG‑2 One Way Relay Module 30A Relay Module High Power One Way High/Low Level Trigger Optocoupler Isolation Relay Module 30A YYG‑2 One Way Relay Module

30A Relay Module High Power One Way High/Low Level Trigger Optocoupler Isolation Relay Module 30A YYG‑2 One Way Relay Module

$38.70$77.39

17 sold
51% off
ESP32 4/8 Channel WIFI Relay Development Board RS485 USART Modbus WIFI Bluetooth Relay Optocoupler Isolate Module DC9-24V Tyep C ESP32 4/8 Channel WIFI Relay Development Board RS485 USART Modbus WIFI Bluetooth Relay Optocoupler Isolate Module DC9-24V Tyep C

ESP32 4/8 Channel WIFI Relay Development Board RS485 USART Modbus WIFI Bluetooth Relay Optocoupler Isolate Module DC9-24V Tyep C

$39.32$80.24

55 sold
EL357N Optocoupler Isolation Module NPN Output Level Shifter 24V to 3V3 5V 12V 24V for Microcontroller Input EL357N Optocoupler Isolation Module NPN Output Level Shifter 24V to 3V3 5V 12V 24V for Microcontroller Input

EL357N Optocoupler Isolation Module NPN Output Level Shifter 24V to 3V3 5V 12V 24V for Microcontroller Input

$4.10$4.10

50% off
2 Channel DC 5V Relay Module with Optocoupler Low Level Trigger Expansion Board Compatible with Arduino R3 MEGA 2560 1280 DSP AR 2 Channel DC 5V Relay Module with Optocoupler Low Level Trigger Expansion Board Compatible with Arduino R3 MEGA 2560 1280 DSP AR

2 Channel DC 5V Relay Module with Optocoupler Low Level Trigger Expansion Board Compatible with Arduino R3 MEGA 2560 1280 DSP AR

$28.67$57.35

622 sold
1/2/4/8 Channel Relay Module 5V 12V 24V High and Low Level Trigger Relay Control With with Optocoupler Relay Output DC5V 12V 24V 1/2/4/8 Channel Relay Module 5V 12V 24V High and Low Level Trigger Relay Control With with Optocoupler Relay Output DC5V 12V 24V

1/2/4/8 Channel Relay Module 5V 12V 24V High and Low Level Trigger Relay Control With with Optocoupler Relay Output DC5V 12V 24V

$8.39$8.39

2 sold
50% off
DC 3V/3.3V High Level Trigger Output Signal Indicator Relay Module Microcontroller IO Port Optocoupler Relay Module DC 3V/3.3V High Level Trigger Output Signal Indicator Relay Module Microcontroller IO Port Optocoupler Relay Module

DC 3V/3.3V High Level Trigger Output Signal Indicator Relay Module Microcontroller IO Port Optocoupler Relay Module

$29.33$58.66

2% off
10pcs TLP2362(TPL,E(T TLP2362(TPL,E SO-5 Logic output optocoupler 10pcs TLP2362(TPL,E(T TLP2362(TPL,E SO-5 Logic output optocoupler

10pcs TLP2362(TPL,E(T TLP2362(TPL,E SO-5 Logic output optocoupler

$3.38$3.45

18% off
Optocoupler Isolation USB To TTL Serial Port Module Onboard Isolation Power Supply 3.3V 5V TTL Output With Protective Diode Optocoupler Isolation USB To TTL Serial Port Module Onboard Isolation Power Supply 3.3V 5V TTL Output With Protective Diode

Optocoupler Isolation USB To TTL Serial Port Module Onboard Isolation Power Supply 3.3V 5V TTL Output With Protective Diode

$9.97$12.16

5% off
5PCS CNY74-4 CNY74-4H DIP-16 Multichannel Optocoupler with Phototransistor Output

5PCS CNY74-4 CNY74-4H DIP-16 Multichannel Optocoupler with Phototransistor Output

$2.34$2.46

2 sold
2PCS TEJIATE Optocoupler TLP350 P350 SOP-4 SMD Transistor Photoelectric Output Optical Isolator Imprint 1039 2PCS TEJIATE Optocoupler TLP350 P350 SOP-4 SMD Transistor Photoelectric Output Optical Isolator Imprint 1039

2PCS TEJIATE Optocoupler TLP350 P350 SOP-4 SMD Transistor Photoelectric Output Optical Isolator Imprint 1039

$0.99$0.99

61% off
3V 1 Channel Optocoupler Relay Module High Low Level Trigger Stable Performance Wide Compatibility for Arduino Industrial Use 3V 1 Channel Optocoupler Relay Module High Low Level Trigger Stable Performance Wide Compatibility for Arduino Industrial Use

3V 1 Channel Optocoupler Relay Module High Low Level Trigger Stable Performance Wide Compatibility for Arduino Industrial Use

$51.57$132.23

3 sold
27% 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 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

$0.98$1.34

35 sold
62% off
3PCS Optocoupler Module Set for 220V AC Input Detection with LED Status Light NPN Output and 3-5V Logic Level Compatibility 3PCS Optocoupler Module Set for 220V AC Input Detection with LED Status Light NPN Output and 3-5V Logic Level Compatibility

3PCS Optocoupler Module Set for 220V AC Input Detection with LED Status Light NPN Output and 3-5V Logic Level Compatibility

$20.68 $54.42

Categories: Home Improvement, Electrical Equipment & Supplies

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ENMG 24V Wide Voltage PCB Small Welding Type Solid State Relay PMN5D6132 DC Control 3V5V PM5D6132 Optocoupler Isolation Thin ENMG 24V Wide Voltage PCB Small Welding Type Solid State Relay PMN5D6132 DC Control 3V5V PM5D6132 Optocoupler Isolation Thin

ENMG 24V Wide Voltage PCB Small Welding Type Solid State Relay PMN5D6132 DC Control 3V5V PM5D6132 Optocoupler Isolation Thin

$23.63 $23.63

93 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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53% off
10-1 PCS,3.3V 5v 12V 24V 1 2 4 8 Channel Relay Module With Optocoupler. Output X Way for Arduino 1CH 2CH 4CH 8CH 10-1 PCS,3.3V 5v 12V 24V 1 2 4 8 Channel Relay Module With Optocoupler. Output X Way for Arduino 1CH 2CH 4CH 8CH

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

$50.06 $106.52

65 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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29% 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

$15.73 $22.16

55 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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50% off
5V 12V 24V Relay Module With Optocoupler Relay Output 1 2 4 6 8 Way Relay Module For Arduino 5V 12V 24V Relay Module With Optocoupler Relay Output 1 2 4 6 8 Way Relay Module For Arduino

5V 12V 24V Relay Module With Optocoupler Relay Output 1 2 4 6 8 Way Relay Module For Arduino

$23.47 $46.95

10 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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50% off
6pcs Single-Channel Optocoupler Module with 3000V Isolation Voltage for 3V 5V 12V 24V DC Input Output Signal Separation 6pcs Single-Channel Optocoupler Module with 3000V Isolation Voltage for 3V 5V 12V 24V DC Input Output Signal Separation

6pcs Single-Channel Optocoupler Module with 3000V Isolation Voltage for 3V 5V 12V 24V DC Input Output Signal Separation

$60.94 $121.88

Categories: Home Improvement, Electrical Equipment & Supplies

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50% off
1/5/10Pcs Javino 1 Channel 30A Relay Module with Optocoupler Isolation 5V/12V/24V High/Low Level Trigger 1/5/10Pcs Javino 1 Channel 30A Relay Module with Optocoupler Isolation 5V/12V/24V High/Low Level Trigger

1/5/10Pcs Javino 1 Channel 30A Relay Module with Optocoupler Isolation 5V/12V/24V High/Low Level Trigger

$36.01 $72.02

31 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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30% off
5V 12V 1 2 4 8 channel relay module with optocoupler Output 1 2 4 6 8 way relay 5v 12v Low Level Trigger for AVR DSP ARM MCU 5V 12V 1 2 4 8 channel relay module with optocoupler Output 1 2 4 6 8 way relay 5v 12v Low Level Trigger for AVR DSP ARM MCU

5V 12V 1 2 4 8 channel relay module with optocoupler Output 1 2 4 6 8 way relay 5v 12v Low Level Trigger for AVR DSP ARM MCU

$0.79 $1.13

2 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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25% off
RS485 Modbus Module ESP32 2 Channel Relay 2IN 2OUT Optocoupler Isolation WiFi CH340 Type-C&7-24VDC Dual Power Supply RS485 Modbus Module ESP32 2 Channel Relay 2IN 2OUT Optocoupler Isolation WiFi CH340 Type-C&7-24VDC Dual Power Supply

RS485 Modbus Module ESP32 2 Channel Relay 2IN 2OUT Optocoupler Isolation WiFi CH340 Type-C&7-24VDC Dual Power Supply

$7.12 $9.50

2 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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50% off
1Pcs High Level Drive Board Single Channel 3V Relay Isolated Drive Control Module 10A Load Optocoupler Isolation Board【SMQ】 1Pcs High Level Drive Board Single Channel 3V Relay Isolated Drive Control Module 10A Load Optocoupler Isolation Board【SMQ】

1Pcs High Level Drive Board Single Channel 3V Relay Isolated Drive Control Module 10A Load Optocoupler Isolation Board【SMQ】

$33.12 $66.25

1 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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50% off
DC 3V/3.3V Isolated Drive Control Board Output Signal Indicator High Level Driver Module Relay Module Optocoupler Relay Module DC 3V/3.3V Isolated Drive Control Board Output Signal Indicator High Level Driver Module Relay Module Optocoupler Relay Module

DC 3V/3.3V Isolated Drive Control Board Output Signal Indicator High Level Driver Module Relay Module Optocoupler Relay Module

$54.25 $108.50

5 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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50% 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

$48.36 $96.72

6 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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ENMG Optocoupler Isolation MT08S Solid State Relay Module PLC Amplifier Board DC Output Control Module 24V Non-Contact 16Channel ENMG Optocoupler Isolation MT08S Solid State Relay Module PLC Amplifier Board DC Output Control Module 24V Non-Contact 16Channel

ENMG Optocoupler Isolation MT08S Solid State Relay Module PLC Amplifier Board DC Output Control Module 24V Non-Contact 16Channel

$48.95 $48.95

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

$2.32 $2.32

60 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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5% off
1pcs 4-32 Channels 3a Dc Transistor Amplifier Board Output Plc Load Io Port Mcu Optocoupler Isolation Solenoid Valve Pnp Npn 1pcs 4-32 Channels 3a Dc Transistor Amplifier Board Output Plc Load Io Port Mcu Optocoupler Isolation Solenoid Valve Pnp Npn

1pcs 4-32 Channels 3a Dc Transistor Amplifier Board Output Plc Load Io Port Mcu Optocoupler Isolation Solenoid Valve Pnp Npn

$15.20 $16.00

Categories: Home Improvement, Electrical Equipment & Supplies

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50% off
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 High/Low Level Trigger Relay Module 1/2/4/8 Channel 5V12V24V Home Intelligent Control Module

$37.74 $75.49

Categories: Home Improvement, Electrical Equipment & Supplies

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50% off
1PCS 5V 30A Two-way isolation relay module High/low level trigger 5V 30A 1-Channel Relay Module+Electronic With Optocoupler 1PCS 5V 30A Two-way isolation relay module High/low level trigger 5V 30A 1-Channel Relay Module+Electronic With Optocoupler

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

$33.58 $67.16

13 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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1 2 4 8 Channel 5V 12V 24V Relay Module Board Shield With Optocoupler Support High And Low Level Trigger

1 2 4 8 Channel 5V 12V 24V Relay Module Board Shield With Optocoupler Support High And Low Level Trigger

$4.64 $4.64

14 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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51% off
1PCS 1/2/4/8-Channel X-Way DC5V Relay Module with Optocoupler Output for Arduino Compatible PCB Board Switching 1PCS 1/2/4/8-Channel X-Way DC5V Relay Module with Optocoupler Output for Arduino Compatible PCB Board Switching

1PCS 1/2/4/8-Channel X-Way DC5V Relay Module with Optocoupler Output for Arduino Compatible PCB Board Switching

$26.69 $54.47

786 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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

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

$29.33 $58.66

Categories: Home Improvement, Electrical Equipment & Supplies

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2% off
10pcs 6N137M DIP 6N137SDM 6N139SDM 6N137SM SOP Logic output optocoupler 10pcs 6N137M DIP 6N137SDM 6N139SDM 6N137SM SOP Logic output optocoupler

10pcs 6N137M DIP 6N137SDM 6N139SDM 6N137SM SOP Logic output optocoupler

$4.73 $4.83

Categories: Home Improvement, Electrical Equipment & Supplies

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10PCS TEJIATE Optocoupler TLP785 P785 SOP-4 SMD Transistor Photoelectric Output Optical Isolator Imprint 130 10PCS TEJIATE Optocoupler TLP785 P785 SOP-4 SMD Transistor Photoelectric Output Optical Isolator Imprint 130

10PCS TEJIATE Optocoupler TLP785 P785 SOP-4 SMD Transistor Photoelectric Output Optical Isolator Imprint 130

$0.79 $0.79

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

418 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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

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

$2.10 $2.10

3 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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49% off
30A Relay Module High Power One Way High/Low Level Trigger Optocoupler Isolation Relay Module 30A YYG‑2 One Way Relay Module 30A Relay Module High Power One Way High/Low Level Trigger Optocoupler Isolation Relay Module 30A YYG‑2 One Way Relay Module

30A Relay Module High Power One Way High/Low Level Trigger Optocoupler Isolation Relay Module 30A YYG‑2 One Way Relay Module

$38.70 $77.39

17 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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51% off
ESP32 4/8 Channel WIFI Relay Development Board RS485 USART Modbus WIFI Bluetooth Relay Optocoupler Isolate Module DC9-24V Tyep C ESP32 4/8 Channel WIFI Relay Development Board RS485 USART Modbus WIFI Bluetooth Relay Optocoupler Isolate Module DC9-24V Tyep C

ESP32 4/8 Channel WIFI Relay Development Board RS485 USART Modbus WIFI Bluetooth Relay Optocoupler Isolate Module DC9-24V Tyep C

$39.32 $80.24

55 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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EL357N Optocoupler Isolation Module NPN Output Level Shifter 24V to 3V3 5V 12V 24V for Microcontroller Input EL357N Optocoupler Isolation Module NPN Output Level Shifter 24V to 3V3 5V 12V 24V for Microcontroller Input

EL357N Optocoupler Isolation Module NPN Output Level Shifter 24V to 3V3 5V 12V 24V for Microcontroller Input

$4.10 $4.10

Categories: Home Improvement, Electrical Equipment & Supplies

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