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Relay Modules

Relay Modules

DIY MCU 2-Channel Optocoupler Shielded High Low Level Trigger Relay Module 12VDC

$9.97
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DIY MCU Single Channel High Level Trigger Relay Module PCB Board DC12V

$4.79
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DC 5V 1-Channel 1CH Optical Isolation Relay Module Expansion Board

$4.70
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DC 12V Low Temperature Trigger Thermosensitiv<wbr/>e Sensor Delay Relay Module

$10.50
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DC5V Coil 2-Channel Optocoupler Relay PCB Board Module Switch for Arduino

$10.74
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Single Channel PLC Time Delay Relay Module Control Board DC9V FC-34 for Arduino

$10.04
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DC5V 1 Channel Red and Green LED Light Humidity Detection Sensor Relay Module

$11.00
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One Way High Level Trigger Optical Coupler PLC Relay Module DC5V 10A for Arduino

$4.52
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Low Level Trigger Optocoupler Relay Module DC12V 10A 8 Channel for Arduino

$13.35
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5V Coil Volt 10A Three Terminals Single Channel 1CH Relay Expansion Module

$4.33
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Blue 1-Ch Normally Open Triggered Time Delay Relay Switch Module DC 12V

$10.19
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SRD-12VDC-SL-C 1 Channel 1CH Low Level Power Relay Module 10A 12V

$4.12
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