# Relay Module LED Indicator Relay Interface Board with Optocoupler (16 Channel
12,48 €
Trigger Board Shield 1 2 4 6 8 16 Channel Relay Module Shield with Optocoupler 10A 5V 12V 24V Relay Output Electronic Components. It also has fixed screw holes for convenient installation. Clear Indicators: The relay action indicators are clear, with illumination when the relay is energized and no illumination when it is not.
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