8 Channel Relay Module 5V DC Expansion Board With Optocoupler For Arduino PIC AVR DSP ARM STM32 Raspberry Pi 4B 3B 2B

8 Channel Relay Module 5V DC Expansion Board With Optocoupler For Arduino PIC AVR DSP ARM STM32 Raspberry Pi 4B 3B 2B
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sku: 1005004265090366
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$11.23
Shipping from: China
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