10pcs 1 Channel 5V/12V/24V Relay Module Board Shield With Optocoupler Support High and Low Level Trigger For Arduino Relays

10pcs 1 Channel 5V/12V/24V Relay Module Board Shield With Optocoupler Support High and Low Level Trigger For Arduino Relays
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sku: 1005003769883825
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$9.20
Shipping from: China
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