DC 5V 1/2/4/8 Channel Relay Module High Low Level Trigger with Optocoupler 1 Pcs
ab 2,72 €
Adopting patch optocoupler isolation, strong driving ability, and stable performance; Trigger current 5mA;. Power indicator light (green), relay status indicator light (red). The module adopts genuine and high-quality relays, with a normally open interface.
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