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2PCS One 1 Channel Isolated 5V Relay Module With Optocoupler For Arduino. 5V 1-Channel Relay interface board, and each one needs 15-20mA Driver Current. 5V 1-Channel Relay interface board, and each one needs 15-20mA Driver Current.
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.