2-channel relay module 5V with optocoupler low-level trigger compatible with Arduino and Raspberry Pi
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Black
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AZ-Delivery 2 relay module consists of two LEDs, four resistors, two NPN transistors, two rectifier diodes and two relays that can handle up to 5A 50V AC.
Relays are widely used in remote control, communication, mechatronics, power electr...