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5V -30V Micro USB Power Delay relay Timer control module Trigger delay switch
- Item No : 155276418737
- Condition : New
- Brand : Unbranded/Generic
- Seller : xiumeche-0
- Current Bid : US $0.99
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* Item Description
- Providing a low pulse signal, or touch trigger key, relay and indicator lights. For example: 22uf capacitor and resistor 1M. back to the state before the trigger. With a relay indicator. but there is no separation between module's ground and signal's ground.
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