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50% off
1PCS Relay Module 5V 12V 24V 1 2 4 8 Channel Relay Modules Board with Optocoupler Support High and Low Level Trigger for Arduino 1PCS Relay Module 5V 12V 24V 1 2 4 8 Channel Relay Modules Board with Optocoupler Support High and Low Level Trigger for Arduino

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

$26.58$53.16

303 sold
4 8 channel relay module 30A with optocoupler isolation 5V 12V 24V supports high and low Triger trigger 4 8 channel relay module 30A with optocoupler isolation 5V 12V 24V supports high and low Triger trigger

4 8 channel relay module 30A with optocoupler isolation 5V 12V 24V supports high and low Triger trigger

$6.50$6.50

75 sold
51% off
1PCS Relay Module 5V 12V 24V 1 2 4 8 Channel Relay Modules Board with Optocoupler Support High and Low Level Trigger for Arduino 1PCS Relay Module 5V 12V 24V 1 2 4 8 Channel Relay Modules Board with Optocoupler Support High and Low Level Trigger for Arduino

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

$23.44$47.83

305 sold
3% off
Relay Module 1 2 4 6 8 Channel 5V 12V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino Relay Module 1 2 4 6 8 Channel 5V 12V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino

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

$12.56$13.05

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

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

$11.03$11.03

510 sold
51% off
DC 5V 12V 24V 1 2 4 6 8 Channel Relay Module Board Shield with Optocoupler / High and Low Level Trigger for Arduino Raspberry DC 5V 12V 24V 1 2 4 6 8 Channel Relay Module Board Shield with Optocoupler / High and Low Level Trigger for Arduino Raspberry

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

$20.50$41.84

760 sold
67% off
1 2 4 6 8 Channel DC 5V 12V Relay Module with Optocoupler Low Level Trigger 1 Way Expansion Board For Arduino Raspberry Pi 1 2 4 6 8 Channel DC 5V 12V Relay Module with Optocoupler Low Level Trigger 1 Way Expansion Board For Arduino Raspberry Pi

1 2 4 6 8 Channel DC 5V 12V Relay Module with Optocoupler Low Level Trigger 1 Way Expansion Board For Arduino Raspberry Pi

$21.31$64.59

360 sold
4% off
Optocoupler Isolated Relay Module 5V 12V 24V 1 2 4 6 8 Channel High Low Level Trigger Board Optocoupler Isolated Relay Module 5V 12V 24V 1 2 4 6 8 Channel High Low Level Trigger Board

Optocoupler Isolated Relay Module 5V 12V 24V 1 2 4 6 8 Channel High Low Level Trigger Board

$14.19$14.83

121 sold
7% off
5PCS/Lot G6K-2P-Y-3VDC G6K-2P-Y-5VDC G6K-2P-Y-12VDC G6K-2P-Y-24VDC DIP-8 3V 5V 12V 24V Two open and two close  Signal Relay 5PCS/Lot G6K-2P-Y-3VDC G6K-2P-Y-5VDC G6K-2P-Y-12VDC G6K-2P-Y-24VDC DIP-8 3V 5V 12V 24V Two open and two close  Signal Relay

5PCS/Lot G6K-2P-Y-3VDC G6K-2P-Y-5VDC G6K-2P-Y-12VDC G6K-2P-Y-24VDC DIP-8 3V 5V 12V 24V Two open and two close  Signal Relay

$30.28$32.86

177 sold
50% off
1/2/4/8 Channel Relay Module 5V/12V/24V with Optocoupler Isolation High/Low Level Dual Trigger for Arduino/PLC/MCU Control Board 1/2/4/8 Channel Relay Module 5V/12V/24V with Optocoupler Isolation High/Low Level Dual Trigger for Arduino/PLC/MCU Control Board

1/2/4/8 Channel Relay Module 5V/12V/24V with Optocoupler Isolation High/Low Level Dual Trigger for Arduino/PLC/MCU Control Board

$23.35$46.70

187 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

$9.16$9.16

518 sold
1 2 4 8 Channel 5V 12V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino Electronic DIY 1 2 4 8 Channel 5V 12V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino Electronic DIY

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

$1.85$1.85

1045 sold
53% off
1/2/4/8 Channel for ESP32 WiFi Bluetooth-compatible Relay Module AC90-250V DC5-30V Smart Home Automation 1/2/4/8 Channel for ESP32 WiFi Bluetooth-compatible Relay Module AC90-250V DC5-30V Smart Home Automation

1/2/4/8 Channel for ESP32 WiFi Bluetooth-compatible Relay Module AC90-250V DC5-30V Smart Home Automation

$54.46$115.88

235 sold
30% off
1 2 4 8 Channel 5V 12V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino Electronic DIY 1 2 4 8 Channel 5V 12V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino Electronic DIY

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

$10.26$14.66

114 sold
50% off
1PCS 5V 12V 24V 1/2/4/8 Channel Relay Module Board with Optocoupler Isolation Compatible with Arduino ForDIY Automation Projects 1PCS 5V 12V 24V 1/2/4/8 Channel Relay Module Board with Optocoupler Isolation Compatible with Arduino ForDIY Automation Projects

1PCS 5V 12V 24V 1/2/4/8 Channel Relay Module Board with Optocoupler Isolation Compatible with Arduino ForDIY Automation Projects

$23.96$47.92

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

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

$19.80$41.63

4712 sold
51% off
Estardyn 1/2/4/8 Channel 5V Relay Module with Optocoupler, Opto-isolated for Raspberry Pi DIY Estardyn 1/2/4/8 Channel 5V Relay Module with Optocoupler, Opto-isolated for Raspberry Pi DIY

Estardyn 1/2/4/8 Channel 5V Relay Module with Optocoupler, Opto-isolated for Raspberry Pi DIY

$20.44$41.72

170 sold
66% off
High/Low Level Trigger Relay Module 1/2/4/8 Channel 5V12V24V Home Intelligent Control Module With Optocoupler Isolation Output High/Low Level Trigger Relay Module 1/2/4/8 Channel 5V12V24V Home Intelligent Control Module With Optocoupler Isolation Output

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

$21.76$64.01

774 sold
30% off
5PCS/1PC Mini Signal Relay HFD4 HFD4-S HFD4-3 HFD4-5 HFD4-12 HFD4-24 3VDC 3V 5V 12V 24V 8 Pin Direct Insertion 5PCS/1PC Mini Signal Relay HFD4 HFD4-S HFD4-3 HFD4-5 HFD4-12 HFD4-24 3VDC 3V 5V 12V 24V 8 Pin Direct Insertion

5PCS/1PC Mini Signal Relay HFD4 HFD4-S HFD4-3 HFD4-5 HFD4-12 HFD4-24 3VDC 3V 5V 12V 24V 8 Pin Direct Insertion

$0.81$1.16

69 sold
51% off
ESP32 RS485 Modbus Wifi Bluetooth Relay Optocoupler Isolation Module Tyep C 4/8 Channel Relay Module DC 9-24V ESP32 RS485 Modbus Wifi Bluetooth Relay Optocoupler Isolation Module Tyep C 4/8 Channel Relay Module DC 9-24V

ESP32 RS485 Modbus Wifi Bluetooth Relay Optocoupler Isolation Module Tyep C 4/8 Channel Relay Module DC 9-24V

$35.27$71.98

64 sold
30% off
XL9535 1 2 4 8 16 Way Channel Expansion Relay Module 5V Power Supply Optocoupler Isolation Board IIC I2C Communication XL9535 1 2 4 8 16 Way Channel Expansion Relay Module 5V Power Supply Optocoupler Isolation Board IIC I2C Communication

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

$0.82$1.17

75 sold
51% off
4/8-Channel ESP32 Wi-Fi Bluetooth Relay Module DC 9-24V ESP32 RS485 Modbus Optically Isolated Module Type-C Interface 4/8-Channel ESP32 Wi-Fi Bluetooth Relay Module DC 9-24V ESP32 RS485 Modbus Optically Isolated Module Type-C Interface

4/8-Channel ESP32 Wi-Fi Bluetooth Relay Module DC 9-24V ESP32 RS485 Modbus Optically Isolated Module Type-C Interface

$36.02$73.52

70 sold
50% off
1 2 4 6 8 Channel DC 5V 12V Relay Module with Optocoupler Low Level Trigger 1 Way Expansion Board For Arduino Raspberry Pi 1 2 4 6 8 Channel DC 5V 12V Relay Module with Optocoupler Low Level Trigger 1 Way Expansion Board For Arduino Raspberry Pi

1 2 4 6 8 Channel DC 5V 12V Relay Module with Optocoupler Low Level Trigger 1 Way Expansion Board For Arduino Raspberry Pi

$19.74$39.48

661 sold
50% off
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 High and Low Level Trigger for arduino Raspberry pi DC 5V 12V 24V

$22.54$45.09

60 sold
11% off
8 Channel MOSFET Module Microcontroller PLC Amplification Field-effect Drive Tube Optocoupler Isolation PWM Control Light Switch 8 Channel MOSFET Module Microcontroller PLC Amplification Field-effect Drive Tube Optocoupler Isolation PWM Control Light Switch

8 Channel MOSFET Module Microcontroller PLC Amplification Field-effect Drive Tube Optocoupler Isolation PWM Control Light Switch

$71.50$80.34

249 sold
XL9535 1 2 4 8 16 Way Channel Expansion Relay Module 5V Power Supply Optocoupler Isolation Board IIC I2C Communication ESP32 XL9535 1 2 4 8 16 Way Channel Expansion Relay Module 5V Power Supply Optocoupler Isolation Board IIC I2C Communication ESP32

XL9535 1 2 4 8 16 Way Channel Expansion Relay Module 5V Power Supply Optocoupler Isolation Board IIC I2C Communication ESP32

$0.41$0.41

185 sold
50% off
DC 5V 12V 24V 1 2 4 6 8 Channel Relay Module Board Shield with Optocoupler / High and Low Level Trigger for Arduino Raspberry DC 5V 12V 24V 1 2 4 6 8 Channel Relay Module Board Shield with Optocoupler / High and Low Level Trigger for Arduino Raspberry

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

$18.80$37.60

1450 sold
1/2/4/6/8 Channel 5V/12V/24V With Optical Coupling Relay Control Board With Indicator Light Relay Output 1/2/4/6/8 Channel 5V/12V/24V With Optical Coupling Relay Control Board With Indicator Light Relay Output

1/2/4/6/8 Channel 5V/12V/24V With Optical Coupling Relay Control Board With Indicator Light Relay Output

$40.82$40.82

62 sold
53% off
DC 12V 24V 8 Isolated Input & 8 Output DIN35 C45 Rail Box UART RS485 Relay Module Modbus RTU Control Switch Board DC 12V 24V 8 Isolated Input & 8 Output DIN35 C45 Rail Box UART RS485 Relay Module Modbus RTU Control Switch Board

DC 12V 24V 8 Isolated Input & 8 Output DIN35 C45 Rail Box UART RS485 Relay Module Modbus RTU Control Switch Board

$129.85$276.28

84 sold
65% off
5v 12v 1 2 4 6 8 way relay module for arduino 1 2 4 6 8 channel relay module with optocoupler Relay Output In stock 5v 12v 1 2 4 6 8 way relay module for arduino 1 2 4 6 8 channel relay module with optocoupler Relay Output In stock

5v 12v 1 2 4 6 8 way relay module for arduino 1 2 4 6 8 channel relay module with optocoupler Relay Output In stock

$21.62$61.78

158 sold
50% off
ESP32 RS485 Modbus Wifi Bluetooth Relay Optocoupler Isolation Module Tyep C 4/8 Channel Relay Module DC 9-24V ESP32 RS485 Modbus Wifi Bluetooth Relay Optocoupler Isolation Module Tyep C 4/8 Channel Relay Module DC 9-24V

ESP32 RS485 Modbus Wifi Bluetooth Relay Optocoupler Isolation Module Tyep C 4/8 Channel Relay Module DC 9-24V

$34.69$69.38

312 sold
3% off
1/2/4/6/8 Channel Optocoupler Relay Module 5V 12V 24V Low Level Trigger 1/2/4/6/8 Channel Optocoupler Relay Module 5V 12V 24V Low Level Trigger

1/2/4/6/8 Channel Optocoupler Relay Module 5V 12V 24V Low Level Trigger

$11.57$11.99

308 sold
50% off
1/2/4/8 Channel Relay Module 5V/12V/24V with Optocoupler Isolation High/Low Level Dual Trigger for Arduino/PLC/MCU Control Board 1/2/4/8 Channel Relay Module 5V/12V/24V with Optocoupler Isolation High/Low Level Dual Trigger for Arduino/PLC/MCU Control Board

1/2/4/8 Channel Relay Module 5V/12V/24V with Optocoupler Isolation High/Low Level Dual Trigger for Arduino/PLC/MCU Control Board

$33.56$67.12

82 sold
55% off
ESP32 RS485 Modbus Wifi Bluetooth Relay Optocoupler Isolation Module Tyep C 4/8 Channel Relay Module DC 9-24V ESP32 RS485 Modbus Wifi Bluetooth Relay Optocoupler Isolation Module Tyep C 4/8 Channel Relay Module DC 9-24V

ESP32 RS485 Modbus Wifi Bluetooth Relay Optocoupler Isolation Module Tyep C 4/8 Channel Relay Module DC 9-24V

$31.88$71.46

286 sold
50% off
1pcs 5v 12v 1 2 4 6 8 way relay module for arduino 1 2 4 6 8 channel relay module with optocoupler Relay Output 1pcs 5v 12v 1 2 4 6 8 way relay module for arduino 1 2 4 6 8 channel relay module with optocoupler Relay Output

1pcs 5v 12v 1 2 4 6 8 way relay module for arduino 1 2 4 6 8 channel relay module with optocoupler Relay Output

$27.84$55.68

180 sold
54% off
DC 5V 12V 1 2 4 6 8 Way Relay Module for Arduino 1 2 4 6 8 Channel Relay Module with Optocoupler High and Low Level Trigger DC 5V 12V 1 2 4 6 8 Way Relay Module for Arduino 1 2 4 6 8 Channel Relay Module with Optocoupler High and Low Level Trigger

DC 5V 12V 1 2 4 6 8 Way Relay Module for Arduino 1 2 4 6 8 Channel Relay Module with Optocoupler High and Low Level Trigger

$33.89$73.67

73 sold
50% off
1PCS Relay Module 5V 12V 24V 1 2 4 8 Channel Relay Modules Board with Optocoupler Support High and Low Level Trigger for Arduino 1PCS Relay Module 5V 12V 24V 1 2 4 8 Channel Relay Modules Board with Optocoupler Support High and Low Level Trigger for Arduino

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

$26.58 $53.16

303 sold

Categories: Electronic Components & Supplies, Active Components

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4 8 channel relay module 30A with optocoupler isolation 5V 12V 24V supports high and low Triger trigger 4 8 channel relay module 30A with optocoupler isolation 5V 12V 24V supports high and low Triger trigger

4 8 channel relay module 30A with optocoupler isolation 5V 12V 24V supports high and low Triger trigger

$6.50 $6.50

75 sold

Categories: Electronic Components & Supplies, Active Components

Buy Now
51% off
1PCS Relay Module 5V 12V 24V 1 2 4 8 Channel Relay Modules Board with Optocoupler Support High and Low Level Trigger for Arduino 1PCS Relay Module 5V 12V 24V 1 2 4 8 Channel Relay Modules Board with Optocoupler Support High and Low Level Trigger for Arduino

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

$23.44 $47.83

305 sold

Categories: Electronic Components & Supplies, Active Components

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3% off
Relay Module 1 2 4 6 8 Channel 5V 12V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino Relay Module 1 2 4 6 8 Channel 5V 12V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino

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

$12.56 $13.05

267 sold

Categories: Electronic Components & Supplies, Active Components

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

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

$11.03 $11.03

510 sold

Categories: Electronic Components & Supplies, Active Components

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51% off
DC 5V 12V 24V 1 2 4 6 8 Channel Relay Module Board Shield with Optocoupler / High and Low Level Trigger for Arduino Raspberry DC 5V 12V 24V 1 2 4 6 8 Channel Relay Module Board Shield with Optocoupler / High and Low Level Trigger for Arduino Raspberry

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

$20.50 $41.84

760 sold

Categories: Electronic Components & Supplies, Active Components

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67% off
1 2 4 6 8 Channel DC 5V 12V Relay Module with Optocoupler Low Level Trigger 1 Way Expansion Board For Arduino Raspberry Pi 1 2 4 6 8 Channel DC 5V 12V Relay Module with Optocoupler Low Level Trigger 1 Way Expansion Board For Arduino Raspberry Pi

1 2 4 6 8 Channel DC 5V 12V Relay Module with Optocoupler Low Level Trigger 1 Way Expansion Board For Arduino Raspberry Pi

$21.31 $64.59

360 sold

Categories: Electronic Components & Supplies, Active Components

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4% off
Optocoupler Isolated Relay Module 5V 12V 24V 1 2 4 6 8 Channel High Low Level Trigger Board Optocoupler Isolated Relay Module 5V 12V 24V 1 2 4 6 8 Channel High Low Level Trigger Board

Optocoupler Isolated Relay Module 5V 12V 24V 1 2 4 6 8 Channel High Low Level Trigger Board

$14.19 $14.83

121 sold

Categories: Electronic Components & Supplies, Active Components

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7% off
5PCS/Lot G6K-2P-Y-3VDC G6K-2P-Y-5VDC G6K-2P-Y-12VDC G6K-2P-Y-24VDC DIP-8 3V 5V 12V 24V Two open and two close  Signal Relay 5PCS/Lot G6K-2P-Y-3VDC G6K-2P-Y-5VDC G6K-2P-Y-12VDC G6K-2P-Y-24VDC DIP-8 3V 5V 12V 24V Two open and two close  Signal Relay

5PCS/Lot G6K-2P-Y-3VDC G6K-2P-Y-5VDC G6K-2P-Y-12VDC G6K-2P-Y-24VDC DIP-8 3V 5V 12V 24V Two open and two close  Signal Relay

$30.28 $32.86

177 sold

Categories: Electronic Components & Supplies, Active Components

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50% off
1/2/4/8 Channel Relay Module 5V/12V/24V with Optocoupler Isolation High/Low Level Dual Trigger for Arduino/PLC/MCU Control Board 1/2/4/8 Channel Relay Module 5V/12V/24V with Optocoupler Isolation High/Low Level Dual Trigger for Arduino/PLC/MCU Control Board

1/2/4/8 Channel Relay Module 5V/12V/24V with Optocoupler Isolation High/Low Level Dual Trigger for Arduino/PLC/MCU Control Board

$23.35 $46.70

187 sold

Categories: Electronic Components & Supplies, Active Components

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

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

$9.16 $9.16

518 sold

Categories: Electronic Components & Supplies, Active Components

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

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

$1.85 $1.85

1045 sold

Categories: Electronic Components & Supplies, Active Components

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53% off
1/2/4/8 Channel for ESP32 WiFi Bluetooth-compatible Relay Module AC90-250V DC5-30V Smart Home Automation 1/2/4/8 Channel for ESP32 WiFi Bluetooth-compatible Relay Module AC90-250V DC5-30V Smart Home Automation

1/2/4/8 Channel for ESP32 WiFi Bluetooth-compatible Relay Module AC90-250V DC5-30V Smart Home Automation

$54.46 $115.88

235 sold

Categories: Electronic Components & Supplies, Active Components

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30% off
1 2 4 8 Channel 5V 12V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino Electronic DIY 1 2 4 8 Channel 5V 12V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino Electronic DIY

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

$10.26 $14.66

114 sold

Categories: Electronic Components & Supplies, Active Components

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50% off
1PCS 5V 12V 24V 1/2/4/8 Channel Relay Module Board with Optocoupler Isolation Compatible with Arduino ForDIY Automation Projects 1PCS 5V 12V 24V 1/2/4/8 Channel Relay Module Board with Optocoupler Isolation Compatible with Arduino ForDIY Automation Projects

1PCS 5V 12V 24V 1/2/4/8 Channel Relay Module Board with Optocoupler Isolation Compatible with Arduino ForDIY Automation Projects

$23.96 $47.92

87 sold

Categories: Electronic Components & Supplies, Active Components

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

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

$19.80 $41.63

4712 sold

Categories: Electronic Components & Supplies, Active Components

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51% off
Estardyn 1/2/4/8 Channel 5V Relay Module with Optocoupler, Opto-isolated for Raspberry Pi DIY Estardyn 1/2/4/8 Channel 5V Relay Module with Optocoupler, Opto-isolated for Raspberry Pi DIY

Estardyn 1/2/4/8 Channel 5V Relay Module with Optocoupler, Opto-isolated for Raspberry Pi DIY

$20.44 $41.72

170 sold

Categories: Electronic Components & Supplies, Active Components

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66% off
High/Low Level Trigger Relay Module 1/2/4/8 Channel 5V12V24V Home Intelligent Control Module With Optocoupler Isolation Output High/Low Level Trigger Relay Module 1/2/4/8 Channel 5V12V24V Home Intelligent Control Module With Optocoupler Isolation Output

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

$21.76 $64.01

774 sold

Categories: Electronic Components & Supplies, Active Components

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30% off
5PCS/1PC Mini Signal Relay HFD4 HFD4-S HFD4-3 HFD4-5 HFD4-12 HFD4-24 3VDC 3V 5V 12V 24V 8 Pin Direct Insertion 5PCS/1PC Mini Signal Relay HFD4 HFD4-S HFD4-3 HFD4-5 HFD4-12 HFD4-24 3VDC 3V 5V 12V 24V 8 Pin Direct Insertion

5PCS/1PC Mini Signal Relay HFD4 HFD4-S HFD4-3 HFD4-5 HFD4-12 HFD4-24 3VDC 3V 5V 12V 24V 8 Pin Direct Insertion

$0.81 $1.16

69 sold

Categories: Electronic Components & Supplies, Active Components

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51% off
ESP32 RS485 Modbus Wifi Bluetooth Relay Optocoupler Isolation Module Tyep C 4/8 Channel Relay Module DC 9-24V ESP32 RS485 Modbus Wifi Bluetooth Relay Optocoupler Isolation Module Tyep C 4/8 Channel Relay Module DC 9-24V

ESP32 RS485 Modbus Wifi Bluetooth Relay Optocoupler Isolation Module Tyep C 4/8 Channel Relay Module DC 9-24V

$35.27 $71.98

64 sold

Categories: Electronic Components & Supplies, Active Components

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30% off
XL9535 1 2 4 8 16 Way Channel Expansion Relay Module 5V Power Supply Optocoupler Isolation Board IIC I2C Communication XL9535 1 2 4 8 16 Way Channel Expansion Relay Module 5V Power Supply Optocoupler Isolation Board IIC I2C Communication

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

$0.82 $1.17

75 sold

Categories: Electronic Components & Supplies, Active Components

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51% off
4/8-Channel ESP32 Wi-Fi Bluetooth Relay Module DC 9-24V ESP32 RS485 Modbus Optically Isolated Module Type-C Interface 4/8-Channel ESP32 Wi-Fi Bluetooth Relay Module DC 9-24V ESP32 RS485 Modbus Optically Isolated Module Type-C Interface

4/8-Channel ESP32 Wi-Fi Bluetooth Relay Module DC 9-24V ESP32 RS485 Modbus Optically Isolated Module Type-C Interface

$36.02 $73.52

70 sold

Categories: Electronic Components & Supplies, Active Components

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50% off
1 2 4 6 8 Channel DC 5V 12V Relay Module with Optocoupler Low Level Trigger 1 Way Expansion Board For Arduino Raspberry Pi 1 2 4 6 8 Channel DC 5V 12V Relay Module with Optocoupler Low Level Trigger 1 Way Expansion Board For Arduino Raspberry Pi

1 2 4 6 8 Channel DC 5V 12V Relay Module with Optocoupler Low Level Trigger 1 Way Expansion Board For Arduino Raspberry Pi

$19.74 $39.48

661 sold

Categories: Electronic Components & Supplies, Active Components

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50% off
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 High and Low Level Trigger for arduino Raspberry pi DC 5V 12V 24V

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8 Channel MOSFET Module Microcontroller PLC Amplification Field-effect Drive Tube Optocoupler Isolation PWM Control Light Switch 8 Channel MOSFET Module Microcontroller PLC Amplification Field-effect Drive Tube Optocoupler Isolation PWM Control Light Switch

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XL9535 1 2 4 8 16 Way Channel Expansion Relay Module 5V Power Supply Optocoupler Isolation Board IIC I2C Communication ESP32 XL9535 1 2 4 8 16 Way Channel Expansion Relay Module 5V Power Supply Optocoupler Isolation Board IIC I2C Communication ESP32

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

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$18.80 $37.60

1450 sold

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1/2/4/6/8 Channel 5V/12V/24V With Optical Coupling Relay Control Board With Indicator Light Relay Output 1/2/4/6/8 Channel 5V/12V/24V With Optical Coupling Relay Control Board With Indicator Light Relay Output

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DC 12V 24V 8 Isolated Input & 8 Output DIN35 C45 Rail Box UART RS485 Relay Module Modbus RTU Control Switch Board DC 12V 24V 8 Isolated Input & 8 Output DIN35 C45 Rail Box UART RS485 Relay Module Modbus RTU Control Switch Board

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5v 12v 1 2 4 6 8 way relay module for arduino 1 2 4 6 8 channel relay module with optocoupler Relay Output In stock 5v 12v 1 2 4 6 8 way relay module for arduino 1 2 4 6 8 channel relay module with optocoupler Relay Output In stock

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ESP32 RS485 Modbus Wifi Bluetooth Relay Optocoupler Isolation Module Tyep C 4/8 Channel Relay Module DC 9-24V ESP32 RS485 Modbus Wifi Bluetooth Relay Optocoupler Isolation Module Tyep C 4/8 Channel Relay Module DC 9-24V

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312 sold

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1/2/4/6/8 Channel Optocoupler Relay Module 5V 12V 24V Low Level Trigger 1/2/4/6/8 Channel Optocoupler Relay Module 5V 12V 24V Low Level Trigger

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$11.57 $11.99

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1/2/4/8 Channel Relay Module 5V/12V/24V with Optocoupler Isolation High/Low Level Dual Trigger for Arduino/PLC/MCU Control Board 1/2/4/8 Channel Relay Module 5V/12V/24V with Optocoupler Isolation High/Low Level Dual Trigger for Arduino/PLC/MCU Control Board

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$33.56 $67.12

82 sold

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ESP32 RS485 Modbus Wifi Bluetooth Relay Optocoupler Isolation Module Tyep C 4/8 Channel Relay Module DC 9-24V ESP32 RS485 Modbus Wifi Bluetooth Relay Optocoupler Isolation Module Tyep C 4/8 Channel Relay Module DC 9-24V

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286 sold

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1pcs 5v 12v 1 2 4 6 8 way relay module for arduino 1 2 4 6 8 channel relay module with optocoupler Relay Output 1pcs 5v 12v 1 2 4 6 8 way relay module for arduino 1 2 4 6 8 channel relay module with optocoupler Relay Output

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180 sold

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DC 5V 12V 1 2 4 6 8 Way Relay Module for Arduino 1 2 4 6 8 Channel Relay Module with Optocoupler High and Low Level Trigger DC 5V 12V 1 2 4 6 8 Way Relay Module for Arduino 1 2 4 6 8 Channel Relay Module with Optocoupler High and Low Level Trigger

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$33.89 $73.67

73 sold

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