DC 5V Relay Module 1 2 4 8 Channel Relay Board Shield With Optocoupler Support High Low Level Trigger For Arduino DC 5 V Relays

DC 5V Relay Module 1 2 4 8 Channel Relay Board Shield With Optocoupler Support High Low Level Trigger For Arduino DC 5 V Relays
sku: 4000331138176
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$0.94
Shipping from: China
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