5V 1/2/4/8/16 Channel Relay Board Module Optocoupler LED for Arduino PiC ARM AVR
ab 1,19 €
1 CH Without Optocoupler(Black). 1 CH Without Optocoupler(Blue). 1 CH With Optocoupler(Black). 2 CH With Optocoupler(Black). 16 CH With Optocoupler(Blue). 8 CH With Optocoupler(Blue). 8 CH Without Optocoupler(Black).
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