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1 x 8 Channel relay board for your Arduino or Raspberry PI - 12V. Protection diode for each relay;. Green leds for relay status;. Add the relay board to your Arduino project. Single relay channel schematic.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.