NEU 4/8 Kanal 5V Optokoppler Relaismodul für Arduino PIC AVR DSP ARM
ab 3,31 €
1Pcs 4 or 8 Channel 5V Relay Shield Module Board Optocoupler module For Arduino ARM AVR(depend on you choose). This relay module is 5V active low. Channel: 4/8 channel. hope you could understand.
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