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1/2/4/8 Channel Relay Switch Module with Optocoupler 5V 12V 24V Relay Module Board Shield with Indicator Light Support High Low Level Trigger for Arduino. User-Friendly Design: With its jumper settings for high or low trigger levels, fault-tolerant design, power and relay status indicators, and easy-to-use interface, our relay module is designed with the user in mind.
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.