3V 4 Channel Relay Module Board 4 Way for Arduino Raspberry PIC AVR DSP ARM

Nano Sheild. 1 VCC external 3V. Am 06.01.22 hat der Verkäufer die folgenden Angaben hinzugefügt Power indicator (green), four-way relay status indicator (red). hope you could understand. It is driven by 8550 triode, with strong driving ability;.

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