DC 5V 3/ 6/ 16 Channel Relay Module with Light Coupling Optocoupler Insulation for Arduino PIC ARM DSP AVR Expansion Board

DC 5V 3/ 6/ 16 Channel Relay Module with Light Coupling Optocoupler Insulation for Arduino PIC ARM DSP AVR Expansion Board
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sku: 32960872738
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$2.24
Shipping from: China
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