4 Kanal 5V 12V 24V Relaismodul mit Optokoppler High und Low Level Trigger
ab 3,71 €
4 Channel 5V 12V 24V Relay Module Board Shield With Optocoupler Support High and Low Level Trigger. SMD optocoupler isolation, strong driving ability and stable performance; trigger current 5mA;. Power indicator (green), 4-way relay status indicator (red).
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