5V 12V 24V Relay Board with Optocoupler Isolation for Arduino DIY (5V 2S) .
7,40 €
5V 12V 24V Relay Module Trigger Board 1 2 4 6 8 Channel Relay Output Mudule Support High Or Low Level Trigger with Optocoupler Isolation Electronic Components. Optocoupler isolation, good anti-interference.
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