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: 4000418641261
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$0.58
Shipping from: China
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