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5V 2 Channel Level Trigger Optocoupler Relay Module 63% OFF 5V 2 Channel Level Trigger Optocoupler Relay Module US$3.29 US$8.99 View It
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Top Positive Review for %s on Banggood, Shop best %s with lowest price on Banggood. Browse most helpful positive review for %s before you buy., rc toys, fun sports, fashion, popular electronics
Moïse_b 18/09/2019
Easy to connect to Arduino board as it is 5V logic. There are 3 Leds, 1 green to indicate the module is powered, the 2 reds to indicate the relays are switched on. It has screw terminals on the logic side as well: you can screw any kind of wire for the command, if you find pin connectors too restrictive. Soldering are ok.
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