Interruttore di controllo modulo relè timer ritardo display LED digitale DC12V DDC-331

Bit digital tube starts flashing, then press K3, single-digit change;then. Relay Only. Relay Specifications:AC 220V 10A or DC 30V 10A. Arduino Module. Electronic Component. Short press K1. P-3: Cycling: Turn on T1, disconnect T2, infinite loop.

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