One 1 Channel 5V Relay Module Board Shield With Optocoupler Support High And Low Level Trigger

A partire da 1,26 $

~~1,43 $~~ Sconto del - 12%

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One 1 Channel 5V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger

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1,26$ 1,43 $

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One 1 Channel 5V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger