2 Channel Relay Module 5V 2-channel Relay Modules 5VDC 2 Road Relay Module Control Board With Optocoupler
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5V 12V 24V Relay Module With Optocoupler Relay Output 1 2 4 6 8 16Way Relay Module For Arduino PLC Automation Equipment Control - AliExpress
2 Channel 5V Relay Module - Wiki
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Relay Module 2 Channel 5V GND VCC IN1 IN2 Pin with LED Indicator Industrial Power Control Board 3PCS, Industrial power distribution and control equipment : Amazon.co.uk: DIY & Tools
2 Channel 5V Relay Module with Optocoupler - Mifra Electronics
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