DC5V/9V/12V/24V 1 Kanal Optokoppler Relais Modul Unterstützung High Low Trigger
ab 2,04 €
2, Using SMD optocoupler isolation, driving ability, stable performance ; trigger current 5mA;. Optocoupler Relay Module x 1. 6,The power indicator ( green ), relay status indicator ( red );. 1, NO: Normally open relay interface, the relay before the vacant after the pull shorted with COM;.
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