1 Way Delay Power Off Boards 4 Button Digital Tube Timer Control Relay for DIY
ab 7,37 €
Trigger Signal Source: High Level Trigger (3.0v-24v) Signal Ground And The System Ground Is Not Common Ground To Improve The System'S Anti-Jamming Ability (Can Also Be Shorted To Common Ground). P-4: Signal hold function If there is a trigger signal, the timing will be cleared to zero, and the relay will keep on; when the signal disappears, the relay will be disconnected after timing OP; during the timing period, if there is a signal again, the timing will be cleared to zero.
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