DX » Community » Reviews » 3-in-1 8-CH 24V Relay Module w/ Optocoupler for Arduino
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  • posted byJames1961 on 08/26/2014

    Pros Very easy in use by NPN or PNP choice for driving the relays. Clear LED indicators, good quality relays, very low current use because of the opto isolaters. Industial quality and for this price! Used these in elevator controller, looks extremely professional and works very reliable. PCB is also ... Read more

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