5 V 2-CH Zweikanal Relaismodul mit Optokoppler Unterstützung High & Low Level Trigger
3,22 €
Using SMD OPTOCOUPLER isolation, driving ability, stable performance ; trigger current 5mA;. 1 x 5V 2 Channel Relay Module With Optocoupler Support High and Low Level Trigger US. The power indicator ( green ), relay status indicator ( red ).
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