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5PCS 5-30V Micro USB Power Delay relay Timer control Trigger delay switch M98
- Item No : 304108594519
- Condition : New
- Brand : GCSUPERMARKET
- Seller : gc_supermarket
- Current Bid : US $5.61
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* Item Description
- For example: 22uf capacitor and resistor 1M, then T = 1.1 0.000022 1000000 = 24.2 seconds. External signal trigger and key trigger in two ways. Many manufacturers add the optocoupler isolation, but there is no separation between module's ground and signal's ground, would not achieve the interference effect.
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