2PCS 5V 4--Channel Relay Module with optocouplerfor Arduino PIC ARM DSP AVR
6,86 €
Best price, Good quality. the 8550 transistor drive, drive ability;. small board PCB size: 7.2 cm 4.8 cm. NEW, ORIGINAL parts. Transistors, and so on. us and we will give you a better price. United Kingdom.
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