Professional Grade Relay Module for Accurate Cycle Timing Applications
16,52 €
6 x Relay Modules. Added sleep mode. After enabling, if there is no within 5 minutes, the display will automatically turn off; wake up with any button;. 2: Trigger signal source: High level trigger (3.0V-24V) Signal ground are not common to improve the anti-interference ability of the (you can also short-circuit the common ground by yourself).
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