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Relay Modules

Relay Modules

DC 12V 2 Channel Relay Module Optocoupler for PIC AVR DSP ARM Arduino

$4.65
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DC 24V Light Detection 1 CH Photosensitive Diode Sensor Time Delay Relay Module

$11.47
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Double Channel Optical Coupler Low Level Power Relay Module DC 5V

$6.94
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DC 5V 2 Channel Low Level Trigger Optocoupler Driver Relay Module

$7.30
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DC 9V 1CH Optocoupler Driver High Level Trigger Relay Module PCB Board Blue

$4.90
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DC 12V 1-Channel Time Delay PLC Relay Module Extension Board for Arduino AVR

$9.99
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Optocoupler Shielded Low Level Relay Module DC 24V 1CH Blue for TTL ARM AVR

$4.80
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Single Channel 1CH DC12V Thermistor Temperature Sensor Relay Module

$10.70
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Optocoupler High/Low Level Relay Module 5VDC 1Channel for ARM DSP AVR

$7.50
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DC 5V 3-5s Soil Humidity Actuation Mode Relay Module w Sensor for Arduino

$15.84
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DC 5V 2-Channel High Low Level Trigger Relay Module Expansion Board

$4.56
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5V 1-Channel PLC Relay Module Borad for PIC AVR ARM Electronic

$4.80
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