5V Two 2CH 2 Channel Relay Module Board With Optocoupler For Arduino 8051 AVR PIC DSP ARM MSP430 TTL Logic AC 250V 10A DC 30V

5V Two 2CH 2 Channel Relay Module Board With Optocoupler For Arduino 8051 AVR PIC DSP ARM MSP430 TTL Logic AC 250V 10A DC 30V
sku: 32917341017
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$0.65
Shipping from: China
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