1 2 4 8 Channel DC 5V Relay Module with Optocoupler Low Level Trigger Expansion Board for arduino 5 V Relays Board 1/2/4/8 Way

1 2 4 8 Channel DC 5V Relay Module with Optocoupler Low Level Trigger Expansion Board for arduino 5 V Relays Board 1/2/4/8 Way
sku: 4001197374893
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$0.92
Shipping from: China
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