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Using SMD OPTOCOUPLER isolation, driving ability, stable performance ; trigger current 5mA;. 1 x 5V 2 Channel Relay Module With Optocoupler Support High and Low Level Trigger US. The power indicator ( green ), relay status indicator ( red ).
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.