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Relays (131)

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Geekworm 1 Channel 5V 30A LED Indicator Relay Module with Optocoupler Isolation High & low Level Trigger

Geekworm 1 Channel 5V 30A LED Indicator Relay Module with Optocoupler Isola...

4.31

Geekworm 1 Channel 12V 30A LED Indicator Relay Module with Optocoupler Isolation High & low Level Trigger

Geekworm 1 Channel 12V 30A LED Indicator Relay Module with Optocoupler Isol...

4.31

Geekworm Plastic Bracket Base for 1 Channel 30A Relay Module

Geekworm Plastic Bracket Base for 1 Channel 30A Relay Module

2.75

5V Low-Level Trigger 1-Way Relay Expansion Board Module

5V Low-Level Trigger 1-Way Relay Expansion Board Module

2.22

5V Two-way Relay Module with Optocoupler Protection

5V Two-way Relay Module with Optocoupler Protection

3.61   3.09

One-Way 5V Relay Expansion Board Module with Optocoupler Isolation

One-Way 5V Relay Expansion Board Module with Optocoupler Isolation

2.98   2.63

12V 3mA 1-Channel Low Level Trigger Relay Module - Blue

12V 3mA 1-Channel Low Level Trigger Relay Module - Blue

2.33

1-Channel 5V 30A High-Power Relay Module for Arduino

1-Channel 5V 30A High-Power Relay Module for Arduino

5.9   4.56

8-Channel 12V Relay Module W/ Optocoupler for Arduino - Red + Blue

8-Channel 12V Relay Module W/ Optocoupler for Arduino - Red + Blue

11.74   9.81

OPEN-SMART Smart Socket Single Relay Module for ESP8266 ESP-01 ESP-01S ESP8285 ESP-1

OPEN-SMART Smart Socket Single Relay Module for ESP8266 ESP-01 ESP-01S ESP8...

2.63

2-Channel 12V High Level Trigger Relay Modules for Arduino (5 PCS)

2-Channel 12V High Level Trigger Relay Modules for Arduino (5 PCS)

13.64   12.28

2-Channel 12V High Level Trigger Relay Modules for Arduino (10 PCS)

2-Channel 12V High Level Trigger Relay Modules for Arduino (10 PCS)

25.17   23.43

2-Channel 12V High Level Trigger Relay Modules for Arduino (3 PCS)

2-Channel 12V High Level Trigger Relay Modules for Arduino (3 PCS)

8.51   7.86

Keyes 4 Channel Relay Module for Arduino UNO R3

Keyes 4 Channel Relay Module for Arduino UNO R3

7.73

4-Channel 5V 12V Relay Module w/ Optocoupler - Blue (Expanded Version)

4-Channel 5V 12V Relay Module w/ Optocoupler - Blue (Expanded Version)

3.82   3.52

5V 8-Channel Relay Module with Optocoupler Isolation

5V 8-Channel Relay Module with Optocoupler Isolation

5.99   5.54

1 Channel 5V 10A Relay Module - Blue

1 Channel 5V 10A Relay Module - Blue

1.88   1.67

DIY 8 Channel 12V Relay Module with Optocoupler PLC Relay Controller

DIY 8 Channel 12V Relay Module with Optocoupler PLC Relay Controller

6.34   5.86

4-Channel 5V Opto-isolator Relay Module High Level Trigger - Blue

4-Channel 5V Opto-isolator Relay Module High Level Trigger - Blue

4.93   4.61

5V Relay Module for Arduino - Blue

5V Relay Module for Arduino - Blue

1.96

PLC High Level DC 5V One Channel Relay Module for PIC ARM

PLC High Level DC 5V One Channel Relay Module for PIC ARM

1.86

16-Channel 5V Relay Optocoupler Protection Module Board

16-Channel 5V Relay Optocoupler Protection Module Board

14.09   13.1

8-Channel 5V Relay Module - Black + Blue

8-Channel 5V Relay Module - Black + Blue

7.02   6.53

Solid State High Level 4 Channel 5V DC Relay Module - Black + Blue

Solid State High Level 4 Channel 5V DC Relay Module - Black + Blue

9.3   7.27

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