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12V 4-Channel High Low Level Trigger Relay for AVR DSP TTL With Optocoupler
- Item No : 403583447464
- Condition : New
- Brand : Unbranded/Generic
- Seller : survy2014
- Current Bid : US $2.96
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* Item Description
- Using SMD optocoupler isolation, driving ability, stable performance; trigger current 5mA;. the module can be high or low by a jumper setting trigger;. the power indicator (green), the relay status indicator (red).
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