1 Channel Relay Module Times Delay Power Board with LED Display for DIY (Micro)
3,92 €
It operates efficiently within a wide temperature range (-40°C to 85°C) and features a industrial-grade circuit board design. Type: Module. Module Highlights 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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