Micro USB 5V LED Automation Delay Timer Steuerung Schalter Relais Modul Display
2,73 €
P-4: signal holding function. Compared with electromagnetic relay products, longer life;. Module characteristics and uses P1.3: Signal trigger again, relay off, stop the clock;. The main interface: I n the relay does not work status display "000" (no decimal point), with a decimal point under relay state.
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