1 Stück 12 V 4 Kanal Relais Modul Kontrollleuchte LED Arduino PIC ARM DSP AVR M65
3,27 €
Power indicator light (green), relay status indicator light (red);. Trigger current 5mA;. Relay output Module interface specifications IN1~IN4 : relay signal triggering pin. Normally closed pin (NC1~NC4) : relay normally closed pin.
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