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Each one needs 15-20mA Driver Current.; Equiped with high-current relay : DC30V 10A AC250V..
This is a 5V 4-Channel Relay interface board. it can be able to control various appliances..
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Connector: +5Vcc - G..
Input: DC 3V to 40V (input voltage must be higher than the output voltage to 1.5v above ..
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