4 channel relay module 4-channel control board with optocoupler. Output way for arduino In stock

- 8 руб.
4 channel relay module 4-channel control board with optocoupler. Output way for arduino In stock
10 руб.
2 руб.
Магазин: Aliexpress
Характеристики:
  • Название...............4 channel relay module 4-channel relay control board with optocoupler. Relay Output 4 way relay module for arduino In stock
  • Артикул...............1624699191