Modulo 4 Relè 24V - 250V/10A OPTO Relay Module x Arduino Pic Atmega Raspberry
4,50 €
Relay Module. GND : Module ground ( 0V ). IN1 : command for relay 1 (0V or open collector ). IN2 : command for relay 2 ( 0V or open collector ). IN3 : command for relay 3 ( 0V or open collector ). IN4 : command for relay 4 ( 0V or open collector ).
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