Relay board - 4 Channel - 5v -opto isolated
All items are in stock and ready to ship, why wait??
Pickup available from our Cairns address with prior notice.
|Relay Specifications ( DC )
|Relay Specifications ( AC )
|no / nc
5v Optically isolated relay board, easy to interface with any 5v MCU.
We have used the board at 3.3v and had no problem YMMV.
Perfect for the for home automation, we use a set for out automated water sprinkler system !!!