Review on SainSmart 101 70 102 8 Channel Relay Module by Luciano Filpo
Great Relay Board: Home Theater
This 8 Channel Relay Board works as expected. necessary. Otherwise, back EMF and/or noise would return to the Arduino and cause failure. It is important to note that the ports on the bottom are open. If you're using AC power, you'll need to insulate them. In my case, the case it fell into does this. If not, open AC power is seriously dangerous. Still, I would isolate.
- Only Positive
- Long Time
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