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Optocoupler

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1% off
1 Channel Relay Module 30A With Optocoupler Isolation 5V Supports High Low Trigger

1 Channel Relay Module 30A With Optocoupler Isolation 5V Supports High Low Trigger

$27.08$27.61

11 sold
50% off
5V 12V 24V Low-level Trigger 1 Channel Relay Module Optocoupler Isolation PLC Control Drive Board Dropshipping 5V 12V 24V Low-level Trigger 1 Channel Relay Module Optocoupler Isolation PLC Control Drive Board Dropshipping

5V 12V 24V Low-level Trigger 1 Channel Relay Module Optocoupler Isolation PLC Control Drive Board Dropshipping

$26.48$52.96

11 sold
2% off
4-Channel MOSFET/FET Driver Module Optocoupler Isolated PLC Amplifier Circuit Board 3-20V 4-Channel MOSFET/FET Driver Module Optocoupler Isolated PLC Amplifier Circuit Board 3-20V

4-Channel MOSFET/FET Driver Module Optocoupler Isolated PLC Amplifier Circuit Board 3-20V

$3.44$3.54

16 sold
40% off
New Durable 3.3V 5V 12V 24V 1-channel Dual Optocoupler Isolated High And Low Level Trigger Relay Module Board New Durable 3.3V 5V 12V 24V 1-channel Dual Optocoupler Isolated High And Low Level Trigger Relay Module Board

New Durable 3.3V 5V 12V 24V 1-channel Dual Optocoupler Isolated High And Low Level Trigger Relay Module Board

$27.88$46.47

16 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

12 sold
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

$19.66$19.66

14 sold
30% off
High speed Optocoupler TB6560 stepper motor driver 3 Axis or 4 Axis CNC controller board & DB25 bable High speed Optocoupler TB6560 stepper motor driver 3 Axis or 4 Axis CNC controller board & DB25 bable

High speed Optocoupler TB6560 stepper motor driver 3 Axis or 4 Axis CNC controller board & DB25 bable

$33.38$47.69

8 sold
2% off
4-Channel MOSFET Driver Module Optocoupler Isolated PLC Amplifier Board 3V-20V 4-Channel MOSFET Driver Module Optocoupler Isolated PLC Amplifier Board 3V-20V

4-Channel MOSFET Driver Module Optocoupler Isolated PLC Amplifier Board 3V-20V

$3.43$3.53

12 sold
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

$31.86$63.72

15 sold
MRI-24D24 100KHZ High Frequency Optocoupler Relay 24VDC 8mA Input Output 14-30VDC 50mA Interface Voltage Relay Module DIN Rail MRI-24D24 100KHZ High Frequency Optocoupler Relay 24VDC 8mA Input Output 14-30VDC 50mA Interface Voltage Relay Module DIN Rail

MRI-24D24 100KHZ High Frequency Optocoupler Relay 24VDC 8mA Input Output 14-30VDC 50mA Interface Voltage Relay Module DIN Rail

$11.86$11.86

8 sold
51% off
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

$33.40$68.17

15 sold
MRI-230A48 Input 230VAC LED Indicator Optocoupler Solid State Optronics Relay Smart Interface Relay Module Photo Signal Relay MRI-230A48 Input 230VAC LED Indicator Optocoupler Solid State Optronics Relay Smart Interface Relay Module Photo Signal Relay

MRI-230A48 Input 230VAC LED Indicator Optocoupler Solid State Optronics Relay Smart Interface Relay Module Photo Signal Relay

$6.64$6.64

12 sold
50% off
1-5Pcs 1 2 4 8Channel Relay Module Board Shield with Optocouple High and Low Level Trigger for arduino Raspberry pi DC5V 12V 24V 1-5Pcs 1 2 4 8Channel Relay Module Board Shield with Optocouple High and Low Level Trigger for arduino Raspberry pi DC5V 12V 24V

1-5Pcs 1 2 4 8Channel Relay Module Board Shield with Optocouple High and Low Level Trigger for arduino Raspberry pi DC5V 12V 24V

$25.71$51.42

9 sold
MRI-3.3D48 3V DC Optocoupler Relay Module PLC Signal Isolation Anti-Interference High frequency 300hz DIN Rail SSR Fast Response MRI-3.3D48 3V DC Optocoupler Relay Module PLC Signal Isolation Anti-Interference High frequency 300hz DIN Rail SSR Fast Response

MRI-3.3D48 3V DC Optocoupler Relay Module PLC Signal Isolation Anti-Interference High frequency 300hz DIN Rail SSR Fast Response

$6.64$6.64

9 sold
27% off
ONE 1 channel relay module 30A with optocoupler isolation 5V 12V 24V supports high and low Triger trigger ONE 1 channel relay module 30A with optocoupler isolation 5V 12V 24V supports high and low Triger trigger

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

$2.47$3.38

12 sold
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

$2.29$2.29

8 sold
50% off
DC 5V 12V 24V 1 Channel Relay Module Board Shield with Optocoupler Isolation Support High or Low Level Compatible Development DC 5V 12V 24V 1 Channel Relay Module Board Shield with Optocoupler Isolation Support High or Low Level Compatible Development

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

$34.47$68.95

11 sold
51% 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

$32.91$67.16

13 sold
1% off
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

$17.15$17.41

13 sold
1% off
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

$10.00$10.05

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

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

$32.04$66.74

9 sold
50% off
1 Channel 5V 12V 24v Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for arduino 1 Channel 5V 12V 24v Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for arduino

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

$25.98$51.97

78 sold
28% off
ESP32 2 Channel Relay RS485 Modbus Module 2IN 2OUT Optocoupler Isolation WiFi BT CH340 Type-C & 7-24VDC Dual Power Supply ESP32 2 Channel Relay RS485 Modbus Module 2IN 2OUT Optocoupler Isolation WiFi BT CH340 Type-C & 7-24VDC Dual Power Supply

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

$4.15$5.77

8 sold
51% off
ONE 1 channel relay module 30A with optocoupler isolation 5V 12V 24V supports high and low Triger trigger ONE 1 channel relay module 30A with optocoupler isolation 5V 12V 24V supports high and low Triger trigger

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

$34.63$70.68

970 sold
27% off
High and Low Level Trigger for arduino Raspberry pi DC 5V 12V 24V 1 2 4 6 8 Channel Relay Module Board Shield with Optocouple High and Low Level Trigger for arduino Raspberry pi DC 5V 12V 24V 1 2 4 6 8 Channel Relay Module Board Shield with Optocouple

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

$0.99$1.36

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

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

$51.27$106.81

14 sold
35% off
1 2 4 Channel Way Expansion Relay Module 5V Power Supply IIC I2C Communication Optocoupler Isolation XL9535-K1V5 1 2 4 Channel Way Expansion Relay Module 5V Power Supply IIC I2C Communication Optocoupler Isolation XL9535-K1V5

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

$0.46$0.71

7 sold
36% 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

$9.11$14.23

13 sold
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

9 sold
1% off
3.3V 5V 12V 24V 1 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay Module Board Signal 3.3V 5V 12V 24V 1 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay Module Board Signal

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

$20.62$20.71

15 sold
50% off
1PC DC 3.3V,5V,12V,24V,1 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay Module Board 1PC DC 3.3V,5V,12V,24V,1 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay Module Board

1PC DC 3.3V,5V,12V,24V,1 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay Module Board

$30.22$60.45

12 sold
52% off
Stlxy MOS Optocoupler Isolation Driver Drive Module Field Effect Transistor Trigger Switch 3V-20V PWM Control Controller Board Stlxy MOS Optocoupler Isolation Driver Drive Module Field Effect Transistor Trigger Switch 3V-20V PWM Control Controller Board

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

$25.23$53.15

69 sold
50% 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

$24.92$49.85

15 sold
15% off
16 Channel Relay Shield Module DC 5V 12V 24V with Optocoupler LM2576 Microcontrollers Interface Power Relay For Arduino DIY Kit 16 Channel Relay Shield Module DC 5V 12V 24V with Optocoupler LM2576 Microcontrollers Interface Power Relay For Arduino DIY Kit

16 Channel Relay Shield Module DC 5V 12V 24V with Optocoupler LM2576 Microcontrollers Interface Power Relay For Arduino DIY Kit

$11.53$13.56

10 sold
51% off
(HB05)3.3V 5V 12V 24V 1 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay Module Board (HB05)3.3V 5V 12V 24V 1 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay Module Board

(HB05)3.3V 5V 12V 24V 1 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay Module Board

$28.41$57.97

14 sold
1% 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

$1.88$1.89

9 sold
1% off
1 Channel Relay Module 30A With Optocoupler Isolation 5V Supports High Low Trigger

1 Channel Relay Module 30A With Optocoupler Isolation 5V Supports High Low Trigger

$27.08 $27.61

11 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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50% off
5V 12V 24V Low-level Trigger 1 Channel Relay Module Optocoupler Isolation PLC Control Drive Board Dropshipping 5V 12V 24V Low-level Trigger 1 Channel Relay Module Optocoupler Isolation PLC Control Drive Board Dropshipping

5V 12V 24V Low-level Trigger 1 Channel Relay Module Optocoupler Isolation PLC Control Drive Board Dropshipping

$26.48 $52.96

11 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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2% off
4-Channel MOSFET/FET Driver Module Optocoupler Isolated PLC Amplifier Circuit Board 3-20V 4-Channel MOSFET/FET Driver Module Optocoupler Isolated PLC Amplifier Circuit Board 3-20V

4-Channel MOSFET/FET Driver Module Optocoupler Isolated PLC Amplifier Circuit Board 3-20V

$3.44 $3.54

16 sold

Categories: Home Improvement, Electrical Equipment & Supplies

Buy Now
40% off
New Durable 3.3V 5V 12V 24V 1-channel Dual Optocoupler Isolated High And Low Level Trigger Relay Module Board New Durable 3.3V 5V 12V 24V 1-channel Dual Optocoupler Isolated High And Low Level Trigger Relay Module Board

New Durable 3.3V 5V 12V 24V 1-channel Dual Optocoupler Isolated High And Low Level Trigger Relay Module Board

$27.88 $46.47

16 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

12 sold

Categories: Home Improvement, Electrical Equipment & Supplies

Buy Now
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

$19.66 $19.66

14 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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30% off
High speed Optocoupler TB6560 stepper motor driver 3 Axis or 4 Axis CNC controller board & DB25 bable High speed Optocoupler TB6560 stepper motor driver 3 Axis or 4 Axis CNC controller board & DB25 bable

High speed Optocoupler TB6560 stepper motor driver 3 Axis or 4 Axis CNC controller board & DB25 bable

$33.38 $47.69

8 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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2% off
4-Channel MOSFET Driver Module Optocoupler Isolated PLC Amplifier Board 3V-20V 4-Channel MOSFET Driver Module Optocoupler Isolated PLC Amplifier Board 3V-20V

4-Channel MOSFET Driver Module Optocoupler Isolated PLC Amplifier Board 3V-20V

$3.43 $3.53

12 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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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

$31.86 $63.72

15 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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MRI-24D24 100KHZ High Frequency Optocoupler Relay 24VDC 8mA Input Output 14-30VDC 50mA Interface Voltage Relay Module DIN Rail MRI-24D24 100KHZ High Frequency Optocoupler Relay 24VDC 8mA Input Output 14-30VDC 50mA Interface Voltage Relay Module DIN Rail

MRI-24D24 100KHZ High Frequency Optocoupler Relay 24VDC 8mA Input Output 14-30VDC 50mA Interface Voltage Relay Module DIN Rail

$11.86 $11.86

8 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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51% off
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

$33.40 $68.17

15 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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MRI-230A48 Input 230VAC LED Indicator Optocoupler Solid State Optronics Relay Smart Interface Relay Module Photo Signal Relay MRI-230A48 Input 230VAC LED Indicator Optocoupler Solid State Optronics Relay Smart Interface Relay Module Photo Signal Relay

MRI-230A48 Input 230VAC LED Indicator Optocoupler Solid State Optronics Relay Smart Interface Relay Module Photo Signal Relay

$6.64 $6.64

12 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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50% off
1-5Pcs 1 2 4 8Channel Relay Module Board Shield with Optocouple High and Low Level Trigger for arduino Raspberry pi DC5V 12V 24V 1-5Pcs 1 2 4 8Channel Relay Module Board Shield with Optocouple High and Low Level Trigger for arduino Raspberry pi DC5V 12V 24V

1-5Pcs 1 2 4 8Channel Relay Module Board Shield with Optocouple High and Low Level Trigger for arduino Raspberry pi DC5V 12V 24V

$25.71 $51.42

9 sold

Categories: Home Improvement, Electrical Equipment & Supplies

Buy Now
MRI-3.3D48 3V DC Optocoupler Relay Module PLC Signal Isolation Anti-Interference High frequency 300hz DIN Rail SSR Fast Response MRI-3.3D48 3V DC Optocoupler Relay Module PLC Signal Isolation Anti-Interference High frequency 300hz DIN Rail SSR Fast Response

MRI-3.3D48 3V DC Optocoupler Relay Module PLC Signal Isolation Anti-Interference High frequency 300hz DIN Rail SSR Fast Response

$6.64 $6.64

9 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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27% off
ONE 1 channel relay module 30A with optocoupler isolation 5V 12V 24V supports high and low Triger trigger ONE 1 channel relay module 30A with optocoupler isolation 5V 12V 24V supports high and low Triger trigger

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

$2.47 $3.38

12 sold

Categories: Home Improvement, Electrical Equipment & Supplies

Buy Now
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

$2.29 $2.29

8 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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50% off
DC 5V 12V 24V 1 Channel Relay Module Board Shield with Optocoupler Isolation Support High or Low Level Compatible Development DC 5V 12V 24V 1 Channel Relay Module Board Shield with Optocoupler Isolation Support High or Low Level Compatible Development

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

$34.47 $68.95

11 sold

Categories: Home Improvement, Electrical Equipment & Supplies

Buy Now
51% 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

$32.91 $67.16

13 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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1% off
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

$17.15 $17.41

13 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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1% off
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

$10.00 $10.05

14 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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

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

$32.04 $66.74

9 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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50% off
1 Channel 5V 12V 24v Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for arduino 1 Channel 5V 12V 24v Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for arduino

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

$25.98 $51.97

78 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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28% off
ESP32 2 Channel Relay RS485 Modbus Module 2IN 2OUT Optocoupler Isolation WiFi BT CH340 Type-C & 7-24VDC Dual Power Supply ESP32 2 Channel Relay RS485 Modbus Module 2IN 2OUT Optocoupler Isolation WiFi BT CH340 Type-C & 7-24VDC Dual Power Supply

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

$4.15 $5.77

8 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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51% off
ONE 1 channel relay module 30A with optocoupler isolation 5V 12V 24V supports high and low Triger trigger ONE 1 channel relay module 30A with optocoupler isolation 5V 12V 24V supports high and low Triger trigger

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

$34.63 $70.68

970 sold

Categories: Home Improvement, Electrical Equipment & Supplies

Buy Now
27% off
High and Low Level Trigger for arduino Raspberry pi DC 5V 12V 24V 1 2 4 6 8 Channel Relay Module Board Shield with Optocouple High and Low Level Trigger for arduino Raspberry pi DC 5V 12V 24V 1 2 4 6 8 Channel Relay Module Board Shield with Optocouple

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

$0.99 $1.36

9 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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

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

$51.27 $106.81

14 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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35% off
1 2 4 Channel Way Expansion Relay Module 5V Power Supply IIC I2C Communication Optocoupler Isolation XL9535-K1V5 1 2 4 Channel Way Expansion Relay Module 5V Power Supply IIC I2C Communication Optocoupler Isolation XL9535-K1V5

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

$0.46 $0.71

7 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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36% 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

$9.11 $14.23

13 sold

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

9 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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1% off
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